DTC DETECTION LOGIC AND CONDITIONS [SKYACTIV-G 2.0]

DTC No.	Condition	Detection condition
P0010:00	Electric variable valve timing control circuit range/performance problem	• A malfunction is detected in the results of the on-board diagnostic test received from electric variable valve timing driver. • The motor speed signal received from the electric variable valve timing driver is in error.
P0011:00	Intake CMP timing over-advanced	• For the advance amount from the maximum intake valve retard position, a condition in which the actual advance amount is larger than the target value continues for a specified period of time. MONITORING CONDITIONS ― Engine speed: below 5,000 rpm ― ECT: above 60 °C {140 °F}
P0012:00	Intake CMP timing over-retarded	• For the advance amount from the maximum intake valve retard position, a condition in which the actual advance amount is smaller than the target value continues for a specified period of time. MONITORING CONDITIONS ― Engine speed: below 5,000 rpm ― ECT: above 60 °C {140 °F}
P0014:00	Exhaust CMP timing over-advanced	• For the advance amount from the maximum exhaust valve retard position, a condition in which the actual advance amount is larger than the target value continues for a specified period of time. MONITORING CONDITIONS ― ECT: above 60 °C {140 °F}
P0015:00	Exhaust CMP timing over-retarded	• For the advance amount from the maximum exhaust valve retard position, a condition in which the actual advance amount is smaller than the target value continues for a specified period of time. MONITORING CONDITIONS ― ECT: above 60 °C {140 °F}
P0031:00	A/F sensor heater control circuit low input	• The PCM monitors the A/F sensor heater output voltage. If the PCM turns the A/F sensor heater off but the A/F sensor heater circuit remains low voltage, the PCM determines that the A/F sensor heater circuit has a malfunction.
P0032:00	A/F sensor heater control circuit high input	• The PCM monitors the A/F sensor heater output voltage. If the PCM turns the A/F sensor heater on but the A/F sensor heater circuit remains high voltage, the PCM determines that the A/F sensor heater circuit has a malfunction.
P0037:00	HO2S heater control circuit low input	• The PCM monitors the HO2S heater output voltage. If the PCM turns the HO2S heater off but the HO2S heater circuit remains low voltage, the PCM determines that the HO2S heater circuit has a malfunction.
P0038:00	HO2S heater control circuit high input	• The PCM monitors the HO2S heater output voltage. If the PCM turns the HO2S heater on but the HO2S heater circuit remains high voltage, the PCM determines that the HO2S heater circuit has a malfunction.
P0069:00	Manifold absolute pressure/atmospheric pressure correlation problem	• The PCM monitors difference between intake manifold vacuum and atmospheric pressure. If the difference is below −12 kPa {−0.12 kgf/cm², −1.7 psi} or above 12 kPa {0.12 kgf/cm², 1.7 psi} when the following conditions are met, the PCM determines that there is a MAP sensor performance problem. MONITORING CONDITIONS ― 12—15 s from when ignition is switched to off.
P0089:00	Spill valve control solenoid valve control circuit range/performance problem	• The average fuel pressure on the high pressure side, measured by the fuel pressure sensor while the camshaft is rotating at the specified speed, exceeds the specified value.
P0091:00	Fuel pressure regulator control circuit low input	• When the PCM turns the spill valve control solenoid valve off but the spill valve control solenoid valve control circuit voltage is low for 5 s, the PCM determines that the spill valve control solenoid valve control circuit has a malfunction. MONITORING CONDITIONS ― The following conditions are met: • Engine speed: 5,700 rpm or less • Battery voltage: 10.5 V or more
P0092:00	Fuel pressure regulator control circuit high input	• When the PCM turns the spill valve control solenoid valve on but the spill valve control solenoid valve circuit voltage is high for 5 s, the PCM determines that the spill valve control solenoid valve control circuit has a malfunction. MONITORING CONDITIONS ― The following conditions are met: • Engine speed: 5,700 rpm or less • Battery voltage: 10.5 V or more
P0096:00	IAT sensor No.2 circuit range/performance problem	• IAT sensor No.1 and IAT sensor No.2 are compared after the engine is started^* and correlation error occurs. ^*: Ignition switch on when 6 h or more has passed since the ignition was switched to off.
P0097:00	IAT sensor No.2 circuit low input	• If the PCM detects that the IAT sensor No.2 voltage at the PCM terminal 1CE is 0.33 V or less for 5 s, the PCM determines that the IAT sensor No.2 circuit voltage is low.
P0098:00	IAT sensor No.2 circuit high input	• If the PCM detects that the IAT sensor No.2 voltage at the PCM terminal 1CE is 4.96 V or more for 5 s, the PCM determines that the IAT sensor No.2 circuit voltage is high.
P0101:00	MAF sensor circuit range/performance problem	• When the conditions are as follows, the PCM compares the intake airflow amount with the estimated intake airflow amount (calculated from the barometric pressure, MAP sensor and throttle opening angle). MONITORING CONDITIONS ― Engine speed: above 500 rpm ― Intake manifold absolute pressure divided by barometric pressure: below 0.93 ― Throttle position (before 0.02 s): below 10 % ― Amount of fluctuation in intake camshaft position for 0.04 s: below 10 °CA ― Battery voltage: above 8 V • The difference between the intake air amount measured by the MAF sensor and the estimated intake air amount estimated by the MAP sensor is outside of the specified value.
P0102:00	MAF sensor circuit low input	• The PCM monitors input voltage from the MAF sensor when the engine is running. If the input voltage at the PCM terminal 2BC is below 0.2 V for 5 s, the PCM determines that the MAF sensor circuit has a malfunction.
P0103:00	MAF sensor circuit high input	• The PCM monitors the input voltage from the MAF sensor when the engine is running. If the input voltage at the PCM terminal 2BC is above 4.94 V for 5 s, the PCM determines that the MAF sensor circuit has a malfunction.
P0107:00	MAP sensor circuit low input	• The PCM monitors the input voltage from the MAP sensor. If the input voltage at the PCM terminal 1BW is below 0.08 V for 5 s, the PCM determines that the MAP sensor circuit has a malfunction.
P0108:00	MAP sensor circuit high input	• The PCM monitors the input voltage from the MAP sensor. If the input voltage at the PCM terminal 1BW is above 4.89 V for 5 s, the PCM determines that the MAP sensor circuit has a malfunction.
P0112:00	IAT sensor No.1 circuit low input	• The PCM monitors the IAT sensor No.1 signal. If the PCM detects that the IAT sensor No.1 voltage at the PCM terminal 2U is below 0.2 V for 5 s, the PCM determines that the IAT sensor No.1 circuit has a malfunction.
P0113:00	IAT sensor No.1 circuit high input	• The PCM monitors the IAT sensor No.1 signal. If the PCM detects that the IAT sensor No.1 voltage at the PCM terminal 2U is above 4.62 V for 5 s, the PCM determines that the IAT sensor No.1 circuit has a malfunction.
P0116:00	ECT sensor circuit range/performance problem	• The PCM monitors the maximum value and minimum value of engine coolant temperature when the engine is started and 5 min have been passed after leaving the vehicle 6 h or more. If difference between maximum and minimum values of engine coolant temperature is below 6 °C {11 °F} the PCM determines that there is an ECT sensor circuit range/performance problem.
P0117:00	ECT sensor circuit low input	• The PCM monitors the ECT sensor signal. If the PCM detects that the ECT sensor voltage at the PCM terminal 1AK is below 0.2 V for 5 s, the PCM determines that the ECT sensor circuit has a malfunction.
P0118:00	ECT sensor circuit high input	• The PCM monitors the ECT sensor signal. If the PCM detects that the ECT sensor voltage at the PCM terminal 1AK is above 4.6 V for 5 s, the PCM determines that the ECT sensor circuit has a malfunction.
P0122:00	TP sensor No.1 circuit low input	• If the PCM detects that the TP sensor No.1 voltage at the PCM terminal 1BP is below 0.1 V while the engine is running, the PCM determines that the TP sensor No.1 circuit has a malfunction.
P0123:00	TP sensor No.1 circuit high input	• If the PCM detects that the TP sensor No.1 voltage at the PCM terminal 1BP is above 4.9 V after the ignition is switched to ON, the PCM determines that the TP sensor No.1 circuit has a malfunction.
P0130:00	A/F sensor circuit problem	• The PCM monitors the voltage between PCM terminal 1AG and 1AB while the A/F sensor active. If the voltage is above 2.3 V or below −2.1 V, the PCM determines that there is a A/F sensor circuit problem. MONITORING CONDITIONS ― Battery voltage: 11—18 V
P0131:00	A/F sensor circuit low input	• The PCM monitors the input voltage from the A/F sensor when the engine is running. If the following PCM terminal voltage is below specified, the PCM determines that the A/F sensor circuit voltage is low. ― PCM terminal 1W: 1.2 V ― PCM terminal 1AB: 1.2 V ― PCM terminal 1AG: 2 V MONITORING CONDITIONS ― Battery voltage: 11—18 V
P0132:00	A/F sensor circuit high input	• The PCM monitors the input voltage from the A/F sensor when the engine is running. If the following PCM terminal voltage is above specified, the PCM determines that the A/F sensor circuit voltage is high. ― PCM terminal 1W: battery voltage−1.2 V ― PCM terminal 1AB: 6.2 V ― PCM terminal 1AG: battery voltage−1.2 V MONITORING CONDITIONS ― Battery voltage: 11—18 V
P0133:00	A/F sensor circuit slow response	• The PCM monitors the peak differential value of the oxygen sensor signal after the A/F fluctuation being provided when the following conditions are met. If the peak differential value is lower than the threshold value, the PCM determines that the A/F sensor circuit is slow. MONITORING CONDITIONS ― Drive Mode 03 (Variable Valve Timing, A/F Sensor Heater, HO2S Heater, A/F Sensor, HO2S and TWC Repair Verification Drive Mode) ― Following conditions are met: • A/F sensor heater monitor is completed. • Fuel system loop status is closed loop fuel control. ― ECT sensor and A/F sensor heater are normal. ― Engine speed: 1,100—3,500 rpm ― Charging efficiency: 16—63 % (at engine speed: 2,500 rpm) ― Intake airflow amount: 5—40 g/s {0.7—5.2 lb/min.} ― ECT: above 50 °C {122 °F}
P0134:00	A/F sensor circuit no activity detected	• The PCM monitors the element impedance of the A/F sensor when the following conditions are met. Under the following monitoring conditions, if the element impedance is more than specified value, the PCM determines that the A/F sensor is not activated. MONITORING CONDITIONS ― Drive Mode 03 (Variable Valve Timing, A/F Sensor Heater, HO2S Heater, A/F Sensor, HO2S and TWC Repair Verification Drive Mode) ― The following conditions are met: • A/F sensor heater is turned on for above 35 s. • Battery voltage: 11—18 V
P0137:00	HO2S circuit low input	• The PCM monitors input voltage from HO2S. If the input voltage from the HO2S is below −0.93 V or HO2S bias voltage is below 1.39 V for 5 s or the voltage from the HO2S is below −0.15 V for 25 s while the HO2S is active, the PCM determines that the HO2S circuit input is low.
P0138:00	HO2S circuit high input	• The PCM monitors input voltage from HO2S. If the input voltage from the HO2S is above 1.14 V or HO2S bias voltage is above 1.61 V for 5 s, the PCM determines that the HO2S circuit input is high.
P013A:00	HO2S circuit slow response	• The PCM monitors the rich (0.55 V) to lean (0.3 V) response time of the HO2S. The PCM measures the response time when the following conditions are met. The PCM determines a HO2S response deterioration malfunction when the measured response time is more than 0.2 s for 2 of 3 times. MONITORING CONDITIONS ― Drive Mode 03 (Variable Valve Timing, A/F Sensor Heater, HO2S Heater, A/F Sensor, HO2S and TWC Repair Verification Drive Mode) ― Following conditions are met: • During deceleration fuel cut • Estimated temperature of the zirconia element inside the HO2S: above 450 °C {842 °F} • The PCM monitors for a time-out malfunction (when HO2S remains above 0.2 V for longer than a specified period of time during fuel cut control). The PCM measures the amount of time from when the following conditions are met until the HO2S output voltage drops below 0.2 V. The PCM determines a HO2S time-out malfunction when the detected time is more than 5 s for 2 of 3 times. MONITORING CONDITIONS ― Drive Mode 03 (Variable Valve Timing, A/F Sensor Heater, HO2S Heater, A/F Sensor, HO2S and TWC Repair Verification Drive Mode) ― Following conditions are met: • During deceleration fuel cut • Estimated temperature of the zirconia element inside the HO2S: above 450 °C {842 °F}
P0140:00	HO2S circuit no activity detected	• The PCM monitors the input voltage from the HO2S when the following conditions are met. Under the following monitoring conditions, if the input voltage from the HO2S does not exceed 0.75 V even though the short term fuel trim is controlled up to 10 % for specified period, the PCM determines that the HO2S circuit is not activated. MONITORING CONDITIONS ― Drive Mode 03 (Variable Valve Timing, A/F Sensor Heater, HO2S Heater, A/F Sensor, HO2S and TWC Repair Verification Drive Mode) ― Estimated temperature of the zirconia element inside the HO2S above 450 °C {842 °F}
P0171:00	Fuel trim system too lean	• When any of the following conditions is met: ― During idling or driving, the correction amount of the fuel feedback correction plus the fuel learning correction is a volume increase correction exceeding the specified value. ― During idling or driving, the amount of the fuel feedback increase correction reaches the upper limit.
P0172:00	Fuel trim system too rich	• When any of the following conditions is met: ― During idling or driving, the correction amount of the fuel feedback correction plus the fuel learning correction is a volume decrease correction exceeding the specified value. ― During idling or driving, the amount of the fuel feedback decrease correction reaches the upper limit.
P0191:00	Fuel pressure sensor circuit range/performance problem	• The difference between the actual and target fuel pressure is equal to or more than the specification, even though the fuel pressure feedback amount is maintained low or high.
P0192:00	Fuel pressure sensor circuit low input	• If the input voltage at the PCM terminal 1CA is less than 0.156 V for 5 s, the PCM determines that the fuel pressure sensor circuit is low.
P0193:00	Fuel pressure sensor circuit high input	• If the input voltage at the PCM terminal 1CA is more than 4.86 V for 5 s, the PCM determines that the fuel pressure sensor circuit is high.
P0201:00	Fuel injector circuit/open cylinder No.1	• If the fuel injection verification signal is not input at 25 times continuously even though the PCM drives the fuel injector No.1, the PCM determines that there is an open circuit in the fuel injector No.1 control circuit. MONITORING CONDITIONS ― The following conditions are met: • Battery voltage: 10.5 V or more • Fuel injection control: except during fuel cut
P0202:00	Fuel injector circuit/open cylinder No.2	• If the fuel injection verification signal is not input at 25 times continuously even though the PCM drives the fuel injector No.2, the PCM determines that there is an open circuit in the fuel injector No.2 control circuit. MONITORING CONDITIONS ― The following conditions are met: • Battery voltage: 10.5 V or more • Fuel injection control: except during fuel cut
P0203:00	Fuel injector circuit/open cylinder No.3	• If the fuel injection verification signal is not input at 25 times continuously even though the PCM drives the fuel injector No.3, the PCM determines that there is an open circuit in the fuel injector No.3 control circuit. MONITORING CONDITIONS ― The following conditions are met: • Battery voltage: 10.5 V or more • Fuel injection control: except during fuel cut
P0204:00	Fuel injector circuit/open cylinder No.4	• If the fuel injection verification signal is not input at 25 times continuously even though the PCM drives the fuel injector No.4, the PCM determines that there is an open circuit in the fuel injector No.4 control circuit. MONITORING CONDITIONS ― The following conditions are met: • Battery voltage: 10.5 V or more • Fuel injection control: except during fuel cut
P0222:00	TP sensor No.2 circuit low input	• If the PCM detects that the TP sensor No.2 voltage at the PCM terminal 1BU is below 0.1 V, the PCM determines that the TP sensor No.2 circuit has a malfunction.
P0223:00	TP sensor No.2 circuit high input	• If the PCM detects that the TP sensor No.2 voltage at the PCM terminal 1BU is above 4.9 V, the PCM determines that the TP sensor No.2 circuit has a malfunction.
P025B:00	Fuel pump control module circuit range/performance problem	• When any of the following conditions is met: ― Engine overheating is detected. ― Output duty ratio signal received from PCM is in error. ― Output signal from fuel pump control module is erratic (noise overlap).
P025C:00	Fuel pump control module result of on-board diagnostic test low input	• Result of on-board test cannot be received from fuel pump control module (voltage is too low).
P025D:00	Fuel pump control module result of on-board diagnostic test high input	• Result of on-board test cannot be received from fuel pump control module (voltage is too high).
P0300:00	Random misfire detected	• The PCM monitors the CKP sensor input signal interval time. The PCM calculates the change of interval time for each cylinder. If the change of interval time exceeds the preprogrammed criteria, the PCM detects a misfire in the corresponding cylinder. While the engine is running, the PCM counts the number of misfires that occurred at 200 crankshaft revolutions or 1000 crankshaft revolutions and calculates the misfire ratio for each crankshaft revolution. If the ratio exceeds the preprogrammed criteria, the PCM determines that a misfire, which can damage the catalytic converter or affect emission performance, has occurred.
P0301:00	Cylinder No.1 misfire detected	• The PCM monitors the CKP sensor input signal interval time. The PCM calculates the change of interval time for each cylinder. If the change of interval time exceeds the preprogrammed criteria, the PCM detects a misfire in the corresponding cylinder. While the engine is running, the PCM counts the number of misfires that occurred at 200 crankshaft revolutions or 1000 crankshaft revolutions and calculates the misfire ratio for each crankshaft revolution. If the ratio exceeds the preprogrammed criteria, the PCM determines that a misfire, which can damage the catalytic converter or affect emission performance, has occurred.
P0302:00	Cylinder No.2 misfire detected
P0303:00	Cylinder No.3 misfire detected
P0304:00	Cylinder No.4 misfire detected
P0327:00	KS circuit low input	• The PCM monitors input signal from the KS when the engine is running. If the input voltage is below 1.1 V for 5 s, the PCM determines that the KS circuit has a malfunction.
P0328:00	KS circuit high input	• The PCM monitors the input signal from the KS when the engine is running. If the input voltage is above 2.4 V for 5 s, the PCM determines that the KS circuit has a malfunction.
P0335:00	CKP sensor circuit problem	• There is no CKP sensor signal input while the exhaust camshaft rotates 5 times. • CKP sensor input signal pattern, received while crankshaft rotates 10 times, is incorrect.
P0340:00	Intake CMP sensor circuit problem	• Intake CMP sensor input signal pattern, received while crankshaft rotates 24 times, is incorrect.
P0365:00	Exhaust CMP sensor circuit problem	• Exhaust CMP sensor input signal pattern, received while crankshaft rotates 24 times, is incorrect. • Cylinder identification is not completed while the crankshaft rotates 13 times.
P0421:00	Warm up catalyst system efficiency below threshold	• The PCM compares the number of the A/F sensor and HO2S inversions for a predetermined time to detect the inversion ratio. It does this by monitoring the HO2S inversion counts when the following conditions are met. If the inversion ratio is below specification, the PCM determine that the catalyst system has deteriorated. ― The A/F sensor inversion counts is as prescribed when the following monitoring conditions are met: ― The accumulated occurrence time of the following monitoring conditions has exceeded the prescribed time limit: MONITORING CONDITIONS • Calculated TWC temperature: above 400 °C {752 °F} • Engine speed: 1,100—3,000 rpm • LOAD: 19—63 % (at engine speed of 1,500 rpm)
P0443:00	Purge solenoid valve circuit problem	• The PCM monitors the purge solenoid valve control signal voltage and current. If the following conditions are met, the PCM determines that there is the purge solenoid valve control circuit problem. ― The PCM turns the purge solenoid valve off, but the voltage of the purge solenoid valve control signal remains low. ― The PCM turns the purge solenoid valve on, but the current of the purge solenoid valve control signal remains high.
P0461:00	Fuel gauge sender unit circuit range/performance problem	• The PCM monitors the fuel tank level difference before and after the PCM-calculated fuel consumption has reached more than 25 L {26 US qt, 22 Imp qt}. If the difference is less than 5 %, the PCM determines that there is a fuel gauge sender unit circuit range/performance problem.
P0462:00	Fuel gauge sender unit circuit low input	• The PCM monitors the fuel level signal and fuel gauge sender unit output voltage from the instrument cluster. If the PCM detects a fuel level or fuel gauge sender unit output voltage that is too low, the PCM determines that the fuel gauge sender unit circuit has a malfunction.
P0463:00	Fuel gauge sender unit circuit high input	• The PCM monitors the fuel level signal and fuel gauge sender unit output voltage from the instrument cluster. If the PCM detects a fuel level or fuel gauge sender unit output voltage that is too high, the PCM determines that the fuel gauge sender unit circuit has a malfunction.
P0480:00	Cooling fan control circuit malfunction	• The PCM monitors the input voltage from the fan control module. If the voltage at the PCM terminal 2X remains low or high for 5 s, the PCM determines that the fan control circuit has a malfunction.
P0500:00	VSS circuit problem	• If an error in the wheel speed signal from the DSC HU/CM is detected by CAN when the following conditions are met: ― Shift position: except P, N or R position ― Absolute load: above 40 % ― Engine speed: above 2,000 rpm ― Brake switch: OFF
P0506:00	IAC system RPM lower than expected	• The actual idle speed is lower than expected by 100 rpm for 14 s, when the brake pedal is depressed (brake switch is on). Note • If the atmospheric pressure is less than 72.3 kPa {0.737 kgf/cm², 10.5 psi} or the intake air temperature is below −10 °C {14 °F}, the PCM cancels the diagnosis of DTC P0506:00.
P0507:00	IAC system RPM higher than expected	• The actual idle speed is higher than expected by 200 rpm for 14 s, when the brake pedal is depressed (brake switch is on). Note • If the atmospheric pressure is less than 72.3 kPa {0.737 kgf/cm², 10.5 psi} or the intake air temperature is below −10 °C {14 °F}, the PCM cancels the diagnosis of DTC P0507:00.
P0520:00	Oil pressure switch circuit problem	• The oil pressure switch is off for a continuous 5 s even though the engine is stopped.
P0524:00	Oil pressure switch problem	• The oil pressure switch is on for a continuous 5 s with the following condition met: (oil pressure warning light illuminates when 1 s has elapsed) ― When engine coolant temperature is 30 °C {86 °F} or less and engine speed is above 650 rpm ― When engine coolant temperature is 68 °C {154 °F} or less and engine speed is above 1,500 rpm ― When engine coolant temperature is 68 °C {154 °F} or more and engine speed is above 2,500 rpm
P0532:00	Refrigerant pressure sensor circuit low input	• The PCM monitors input voltage from the refrigerant pressure sensor when the ignition switch is ON. If the input voltage at the PCM terminal 2AX is below 0.1 V for 5 s, the PCM determines that the refrigerant pressure sensor circuit has a malfunction.
P0533:00	Refrigerant pressure sensor circuit high input	• The PCM monitors the input voltage from the refrigerant pressure sensor when the ignition switch is ON. If the input voltage at the PCM terminal 2AX is above 4.9 V for 5 s, the PCM determines that the refrigerant pressure sensor circuit has a malfunction.
P0555:00	Power brake unit vacuum sensor circuit problem	• The PCM monitors the power brake unit vacuum sensor signal voltage while the ignition switch is ON. If the PCM detects the power brake unit vacuum sensor voltage is below 0.15 V or above 4.8 V for 5 s, the PCM determines that the power brake unit vacuum sensor circuit has problem.
P0571:00	Brake switch circuit problem	• The PCM monitors switching in conjunction with brake switches No.1 and No.2. If either No.1 or No.2 do not switch for a continuous five times even though either No.1 or No.2 is switched from off to on or from on to off, P0571:00 is detected.
P057F:00	Power supply malfunction	• The battery charge/discharge flow exceeds the specification.
P058A:00	Current sensor problem	• The following conditions are met: ― Current sensor internal malfunction ― Battery voltage malfunction ― Battery fluid temperature malfunction
P058B:00	Current sensor problem	• When following conditions continue for 10 s: ― Battery voltage: specified value or more ― Discharge flow from battery: 0 A or more
P058D:00	Current sensor problem	• The voltages of the PCM and current sensor are compared and the difference is the specified value or more.
P0600:00	Serial communication link	• PCM internal malfunction.
P0601:00	PCM memory check sum error	• PCM internal memory check sum error.
P0602:00	PCM programming error	• No configuration data in the PCM. Note • If the “PCM CONFIGURATION” is successful, the PCM stores the DTC P0602:00 and illuminates the MIL (system is normal). Clear the DTC P0602:00 using the M-MDS after the “PCM CONFIGURATION”. • The MIL goes out after three drive cycles with no failure (the DTCs remain in PCM).
P0606:00	PCM processor error	• PCM internal CPU malfunction.
P0607:00	Control module performance problem	• PCM internal malfunction.
P0610:00	PCM vehicle configuration error	• PCM data configuration error.
P0615:00	Starter relay circuit problem	• The PCM records DTCs when the number of times the engine has been started reaches the warrantied performance frequency for the starter or starter relay (180,000 times).
P061B:00	Internal control module torque calculation performance problem	• Indicates that a calculation error occurred in the PCM. • There is a malfunction in the sensor input signal to the PCM.
P061D:00	Internal control module engine air mass performance problem	• Indicates an error occurred in the PCM.
P061F:00	Internal control module throttle valve actuator controller performance problem	• Indicates that a calculation error occurred in the PCM.
P0628:00	Fuel pump control module circuit low input	• When the PCM outputs a duty signal to the fuel pump control module, the difference in voltage between fuel pump unit terminals B and D is less than 1.5 V for a continuous 5 s.
P0629:00	Fuel pump control module circuit high input	• Over-current is detected.
P0638:00	Throttle valve actuator control range/performance problem	• The PCM compares the actual TP with the target TP. If the difference is more than the threshold value, the PCM determines that there is a throttle valve actuator control range/performance problem.
P064D:00	Internal control module A/F sensor processor performance problem	• The A/F sensor IC integrated in the PCM converts to the voltage value for the fuel control and for the diagnosis based on the A/F sensor signal current and sends to the CPU (integrated in the PCM). If there is a transmission format error from the A/F sensor IC to the PCM, the PCM will detect a transmission error. MONITORING CONDITIONS ― Drive Mode 03 (Variable Valve Timing, A/F Sensor Heater, HO2S Heater, A/F Sensor, HO2S and TWC Repair Verification Drive Mode) ― Following conditions are met: • Engine is running • Battery voltage: 11—18 V
P0685:00	Main relay control circuit open	• This DTC sets when the ignition switch position run circuit indicates the key is in the off, ACC, or LOCK position, and the amount of time the PCM remains powered through the PCM power relay exceeds a predetermined amount of time.
P06B8:00	Internal control module non-volatile RAM error	• PCM internal EEPROM malfunction.
P06DA:00	Engine oil solenoid valve circuit problem	• The engine oil solenoid valve control current exceeds the specification or the control voltage at the PCM terminal 1AS is less than the specification relative to the PCM control condition.
P0703:00	Brake switch input circuit problem	• The PCM monitors the input signal from the brake switch No.1. If the input signal does not change while following decelerating 8 times, the PCM determines that there is a brake switch No.1 input circuit problem. MONITORING CONDITIONS ― Vehicle speed: from above 30 km/h {19 mph} to 30 km/h {19 mph} or less ― Deceleration rate: exceeds 3.8 km/h {2.4 mph} per 0.1 s
P0A0F:00	Engine failed to restart	• Any of following conditions occurs: ― When the engine should restart after it is stopped by the i-stop control, it does not start even though it is cranked for 3 s or more. ― When the engine should restart after it is stopped by the i-stop control, it does not cranked.
P0A8D:00	Power supply system circuit low input	• Any of the values for the battery voltage, voltage for PCM control, and voltage for DC-DC converter control is low when the engine is started.
P0A94:00	DC-DC converter control circuit signal error	• Internal malfunction signal from DC-DC converter is received (LIN communication). • Input signal from the DC-DC converter limits the pressure increase time. • Input signal from the DC-DC converter does not implement pressure increase after a pressure increase command to the DC-DC converter.
P1260:00	Immobilizer system problem	• The instrument cluster detects an immobilizer system malfunction.
P1380:00	Electric variable valve timing control circuit problem	• A malfunction is detected in the results of the on-board diagnostic test received from electric variable valve timing driver.
P151B:00^*1	IAC system problem	• The PCM cannot control the idle speed toward the target idle speed during the KOER self test.
P2090:00	OCV circuit low input	• The PCM monitors the OCV voltage. If the PCM detects the OCV control voltage (calculated from the OCV) is below the specification voltage (calculated from the battery positive voltage), the PCM determines that the OCV circuit has a malfunction.
P2091:00	OCV circuit high input	• The PCM monitors the OCV current. If the PCM detects that the OCV control current (calculated from the OCV) is above the specification current, the PCM determines that the OCV circuit has a malfunction.
P2096:00	Target A/F feedback system too lean	• The PCM monitors the target A/F fuel trim when under the target A/F feedback control. If the fuel trim is more than the specification, the PCM determines that the target A/F feedback system is too lean.
P2097:00	Target A/F feedback system too rich	• The PCM monitors the target A/F fuel trim when under the target A/F feedback control. If the fuel trim is less than specification, the PCM determines that the target A/F feedback system is too rich.
P2101:00	Throttle valve actuator circuit range/performance problem	• The PCM turns the main relay on, but if the input voltage is 5.0 V or less, then the PCM determines that the main relay control circuit voltage is low. • The PCM monitors the input voltage from the main relay. The PCM turns the main relay off, but if the input voltage is 5.0 V or more, then the PCM determines that the main relay control circuit voltage is high.
P2107:00	Throttle valve actuator control module processor error	• Throttle valve actuator control module internal processor error.
P2109:00	TP sensor minimum stop range/performance problem	• If the fully-open throttle position is 5.1 ° or lower, or 15.9 ° or more (even though the fully-open throttle position learning is finished), the PCM determines there is a malfunction.
P2110:00	Throttle valve actuator control system-forced limited RPM	• The throttle valve actuator control system is in the failure mode effects management mode.
P2112:00	Throttle valve actuator control system range/performance problem	• If the duty ratio is 95 % or more, the PCM determines that there is a throttle valve actuator control system range/performance problem.
P2119:00	Throttle valve actuator control throttle body range/performance problem	• The PCM compares the actual TP with initial setting TP when the ignition is switched to off. If the TP is lower than the initial setting TP, the PCM determines that there is a throttle valve return spring malfunction.
P2122:00	APP sensor No.1 circuit low input	• The PCM monitors the input voltage from APP sensor No.1 when the engine is running. If the input voltage at the PCM terminal 2AN is less than 0.1 V, the PCM determines that the APP sensor No.1 circuit input voltage is low.
P2123:00	APP sensor No.1 circuit high input	• The PCM monitors the input voltage from APP sensor No.1 when the engine is running. If the input voltage at the PCM terminal 2AN is above 4.9 V, the PCM determines that the APP sensor No.1 circuit input voltage is high.
P2127:00	APP sensor No.2 circuit low input	• The PCM monitors the input voltage from APP sensor No.2 when the engine is running. If the input voltage at the PCM terminal 2AS is less than 0.1 V, the PCM determines that the APP sensor No.2 circuit has a malfunction.
P2128:00	APP sensor No.2 circuit high input	• The PCM monitors the input voltage from APP sensor No.2 when the engine is running. If the input voltage at the PCM terminal 2AS is more than 4.9 V, the PCM determines that the APP sensor No.2 circuit has a malfunction.
P2135:00	TP sensor No.1/No.2 voltage correlation problem	• The PCM compares the input voltage from TP sensor No.1 with the input voltage from TP sensor No.2 when the engine is running. If the difference is more than the specification, the PCM determines that there is a TP sensor No.1/No.2 voltage correlation problem.
P2138:00	APP sensor No.1/No.2 voltage correlation problem	• The PCM compares the input voltage from APP sensor No.1 with the input voltage from APP sensor No.2 when the engine is running. If the difference is more than the specification, the PCM determines that there is an APP sensor No.1/No.2 angle correlation problem.
P2228:00	BARO sensor circuit low input	• The PCM monitors input voltage from the BARO sensor. If the input voltage is below 1.95 V for 5 s, the PCM determines that the BARO sensor circuit has a malfunction.
P2229:00	BARO sensor circuit high input	• The PCM monitors input voltage from the BARO sensor. If the input voltage is above 4.45 V for 5 s, the PCM determines that the BARO sensor circuit has a malfunction.
P2237:00	A/F sensor positive current control circuit open	• The PCM monitors A/F sensor positive current control circuit voltage. If the voltage is between 2.2 V and 2.4 V while the engine is running, the PCM determines that the A/F sensor positive current control circuit is open.
P2243:00	A/F sensor reference voltage circuit open	• The PCM monitors the A/F sensor signal voltage at the PCM terminal 1W. If either of the following conditions is met, the PCM determines that the A/F sensor reference voltage circuit is open. ― The PCM terminal 1W voltage is above 5.3 V for 30 s. ― The PCM detects DTC P0134:00 while the pending code P2243:00 is stored. MONITORING CONDITIONS ― Drive Mode 03 (Variable Valve Timing, A/F Sensor Heater, HO2S Heater, A/F Sensor, HO2S and TWC Repair Verification Drive Mode) ― Following conditions are met: • Engine is running • Battery voltage: 11—18 V • A/F sensor element impedance: specified or more
P2251:00	A/F sensor negative current control circuit open	• The PCM monitors the A/F sensor signal voltage at the PCM terminal 1W. If either of the following conditions is met, the PCM determines that the A/F sensor negative current control circuit is open. MONITORING CONDITIONS ― Circuit voltage oscillation or the PCM terminal 1W voltage is below 5.3 V. ― The PCM detects the DTC P0134:00 while the pending code P2251:00 is stored. ― A/F sensor element impedance: specified or more ― Battery voltage: 11—18 V
P2299:00	Accelerator pedal: spring back malfunction	• Brake override system operates.
P2302:00	Ion sensor No.1 circuit problem	• When the engine speed is 2,000 rpm or less, the signal input to the PCM from ion sensor No.1 is in error.
P2305:00	Ion sensor No.2 circuit problem	• When the engine speed is 2,000 rpm or less, the signal input to the PCM from ion sensor No.2 is in error.
P2308:00	Ion sensor No.3 circuit problem	• When the engine speed is 2,000 rpm or less, the signal input to the PCM from ion sensor No.3 is in error.
P2311:00	Ion sensor No.4 circuit problem	• When the engine speed is 2,000 rpm or less, the signal input to the PCM from ion sensor No.4 is in error.
P2502:00	Charging system voltage problem	• The PCM determines that the generator output voltage is more than 17 V, and the battery voltage is less than 11 V, for 5 s while the engine is running.
P2503:00	Charging system voltage low input	• The PCM determines that the generator output voltage is less than 8.5 V, and the generator target output current is more than 20 A, for 5 s while the engine is running.
P2504:00	Charging system voltage high input	• The PCM determines that the generator output voltage is more than 18.5 V, or battery voltage is more than 16.0 V, for 5 s while the engine is running.
P2507:00	PCM battery voltage low input	• The PCM monitors the voltage of backup battery positive terminal. If the PCM detects that the battery positive terminal voltage is below 6 V for 5 s, the PCM determines that the backup voltage circuit has a malfunction.
P2610:00	Instrument cluster internal engine off timer performance problem	• Instrument cluster internal engine off timer is damaged.
U0073:00	CAN system communication error (HS CAN)	• If there is a malfunction in CAN bus communication line.
U0074:00	CAN system communication error (local CAN between PCM and TCM)	• If there is a malfunction in CAN bus communication line.
U0101:00	CAN communication: communication error to TCM	• When a communication error between the TCM continues for 5 s or more.
U0121:00	CAN communication: communication error to DSC HU/CM	• When a communication error between the DSC HU/CM continues for 5 s or more.
U0131:00	CAN communication: communication error to EHPAS control module	• When a communication error between the EHPAS control module continues for 5 s or more.
U0140:00	CAN communication: communication error to BCM	• When a communication error between the BCM continues for 5 s or more.
U0151:00	CAN communication: communication error to SAS control module	• When a communication error between the SAS control module continues for 5 s or more.
U0155:00	CAN communication: communication error to instrument cluster	• When a communication error between the instrument cluster continues for 5 s or more.
U0214:00^*2	CAN communication: communication error to keyless control module	• When a communication error between the keyless control module continues for 5 s or more.
U0298:00	LIN communication: communication error to DC-DC converter	• PCM detects a communication error with the DC-DC converter.
U0302:00	TCM processor error	• If data from TCM is not reliable.
U1007:00	LIN communication: communication error to current sensor	• When a communication error between the current sensor continues for 5 s or more.
U3000:41	PCM processor error	• PCM internal EEPROM malfunction.

DTC No.

Condition

Detection condition

P0010:00

Electric variable valve timing control circuit range/performance problem

• A malfunction is detected in the results of the on-board diagnostic test received from electric variable valve timing driver.

• The motor speed signal received from the electric variable valve timing driver is in error.

P0011:00

Intake CMP timing over-advanced

• For the advance amount from the maximum intake valve retard position, a condition in which the actual advance amount is larger than the target value continues for a specified period of time.

MONITORING CONDITIONS

― Engine speed: below 5,000 rpm

― ECT: above 60 °C {140 °F}

P0012:00

Intake CMP timing over-retarded

• For the advance amount from the maximum intake valve retard position, a condition in which the actual advance amount is smaller than the target value continues for a specified period of time.

MONITORING CONDITIONS

― Engine speed: below 5,000 rpm

― ECT: above 60 °C {140 °F}

P0014:00

Exhaust CMP timing over-advanced

• For the advance amount from the maximum exhaust valve retard position, a condition in which the actual advance amount is larger than the target value continues for a specified period of time.

MONITORING CONDITIONS

― ECT: above 60 °C {140 °F}

P0015:00

Exhaust CMP timing over-retarded

• For the advance amount from the maximum exhaust valve retard position, a condition in which the actual advance amount is smaller than the target value continues for a specified period of time.

MONITORING CONDITIONS

― ECT: above 60 °C {140 °F}

P0031:00

A/F sensor heater control circuit low input

• The PCM monitors the A/F sensor heater output voltage. If the PCM turns the A/F sensor heater off but the A/F sensor heater circuit remains low voltage, the PCM determines that the A/F sensor heater circuit has a malfunction.

P0032:00

A/F sensor heater control circuit high input

• The PCM monitors the A/F sensor heater output voltage. If the PCM turns the A/F sensor heater on but the A/F sensor heater circuit remains high voltage, the PCM determines that the A/F sensor heater circuit has a malfunction.

P0037:00

HO2S heater control circuit low input

• The PCM monitors the HO2S heater output voltage. If the PCM turns the HO2S heater off but the HO2S heater circuit remains low voltage, the PCM determines that the HO2S heater circuit has a malfunction.

P0038:00

HO2S heater control circuit high input

• The PCM monitors the HO2S heater output voltage. If the PCM turns the HO2S heater on but the HO2S heater circuit remains high voltage, the PCM determines that the HO2S heater circuit has a malfunction.

P0069:00

Manifold absolute pressure/atmospheric pressure correlation problem

• The PCM monitors difference between intake manifold vacuum and atmospheric pressure. If the difference is below −12 kPa {−0.12 kgf/cm², −1.7 psi} or above 12 kPa {0.12 kgf/cm², 1.7 psi} when the following conditions are met, the PCM determines that there is a MAP sensor performance problem.

MONITORING CONDITIONS

― 12—15 s from when ignition is switched to off.

P0089:00

Spill valve control solenoid valve control circuit range/performance problem

• The average fuel pressure on the high pressure side, measured by the fuel pressure sensor while the camshaft is rotating at the specified speed, exceeds the specified value.

P0091:00

Fuel pressure regulator control circuit low input

• When the PCM turns the spill valve control solenoid valve off but the spill valve control solenoid valve control circuit voltage is low for 5 s, the PCM determines that the spill valve control solenoid valve control circuit has a malfunction.

MONITORING CONDITIONS

― The following conditions are met:

• Engine speed: 5,700 rpm or less

• Battery voltage: 10.5 V or more

P0092:00

Fuel pressure regulator control circuit high input

• When the PCM turns the spill valve control solenoid valve on but the spill valve control solenoid valve circuit voltage is high for 5 s, the PCM determines that the spill valve control solenoid valve control circuit has a malfunction.

MONITORING CONDITIONS

― The following conditions are met:

• Engine speed: 5,700 rpm or less

• Battery voltage: 10.5 V or more

P0096:00

IAT sensor No.2 circuit range/performance problem

• IAT sensor No.1 and IAT sensor No.2 are compared after the engine is started^* and correlation error occurs.

^*: Ignition switch on when 6 h or more has passed since the ignition was switched to off.

P0097:00

IAT sensor No.2 circuit low input

• If the PCM detects that the IAT sensor No.2 voltage at the PCM terminal 1CE is 0.33 V or less for 5 s, the PCM determines that the IAT sensor No.2 circuit voltage is low.

P0098:00

IAT sensor No.2 circuit high input

• If the PCM detects that the IAT sensor No.2 voltage at the PCM terminal 1CE is 4.96 V or more for 5 s, the PCM determines that the IAT sensor No.2 circuit voltage is high.

P0101:00

MAF sensor circuit range/performance problem

• When the conditions are as follows, the PCM compares the intake airflow amount with the estimated intake airflow amount (calculated from the barometric pressure, MAP sensor and throttle opening angle).

MONITORING CONDITIONS

― Engine speed: above 500 rpm

― Intake manifold absolute pressure divided by barometric pressure: below 0.93

― Throttle position (before 0.02 s): below 10 %

― Amount of fluctuation in intake camshaft position for 0.04 s: below 10 °CA

― Battery voltage: above 8 V

• The difference between the intake air amount measured by the MAF sensor and the estimated intake air amount estimated by the MAP sensor is outside of the specified value.

P0102:00

MAF sensor circuit low input

• The PCM monitors input voltage from the MAF sensor when the engine is running. If the input voltage at the PCM terminal 2BC is below 0.2 V for 5 s, the PCM determines that the MAF sensor circuit has a malfunction.

P0103:00

MAF sensor circuit high input

• The PCM monitors the input voltage from the MAF sensor when the engine is running. If the input voltage at the PCM terminal 2BC is above 4.94 V for 5 s, the PCM determines that the MAF sensor circuit has a malfunction.

P0107:00

MAP sensor circuit low input

• The PCM monitors the input voltage from the MAP sensor. If the input voltage at the PCM terminal 1BW is below 0.08 V for 5 s, the PCM determines that the MAP sensor circuit has a malfunction.

P0108:00

MAP sensor circuit high input

• The PCM monitors the input voltage from the MAP sensor. If the input voltage at the PCM terminal 1BW is above 4.89 V for 5 s, the PCM determines that the MAP sensor circuit has a malfunction.

P0112:00

IAT sensor No.1 circuit low input

• The PCM monitors the IAT sensor No.1 signal. If the PCM detects that the IAT sensor No.1 voltage at the PCM terminal 2U is below 0.2 V for 5 s, the PCM determines that the IAT sensor No.1 circuit has a malfunction.

P0113:00

IAT sensor No.1 circuit high input

• The PCM monitors the IAT sensor No.1 signal. If the PCM detects that the IAT sensor No.1 voltage at the PCM terminal 2U is above 4.62 V for 5 s, the PCM determines that the IAT sensor No.1 circuit has a malfunction.

P0116:00

ECT sensor circuit range/performance problem

• The PCM monitors the maximum value and minimum value of engine coolant temperature when the engine is started and 5 min have been passed after leaving the vehicle 6 h or more. If difference between maximum and minimum values of engine coolant temperature is below 6 °C {11 °F} the PCM determines that there is an ECT sensor circuit range/performance problem.

P0117:00

ECT sensor circuit low input

• The PCM monitors the ECT sensor signal. If the PCM detects that the ECT sensor voltage at the PCM terminal 1AK is below 0.2 V for 5 s, the PCM determines that the ECT sensor circuit has a malfunction.

P0118:00

ECT sensor circuit high input

• The PCM monitors the ECT sensor signal. If the PCM detects that the ECT sensor voltage at the PCM terminal 1AK is above 4.6 V for 5 s, the PCM determines that the ECT sensor circuit has a malfunction.

P0122:00

TP sensor No.1 circuit low input

• If the PCM detects that the TP sensor No.1 voltage at the PCM terminal 1BP is below 0.1 V while the engine is running, the PCM determines that the TP sensor No.1 circuit has a malfunction.

P0123:00

TP sensor No.1 circuit high input

• If the PCM detects that the TP sensor No.1 voltage at the PCM terminal 1BP is above 4.9 V after the ignition is switched to ON, the PCM determines that the TP sensor No.1 circuit has a malfunction.

P0130:00

A/F sensor circuit problem

• The PCM monitors the voltage between PCM terminal 1AG and 1AB while the A/F sensor active. If the voltage is above 2.3 V or below −2.1 V, the PCM determines that there is a A/F sensor circuit problem.

MONITORING CONDITIONS

― Battery voltage: 11—18 V

P0131:00

A/F sensor circuit low input

• The PCM monitors the input voltage from the A/F sensor when the engine is running. If the following PCM terminal voltage is below specified, the PCM determines that the A/F sensor circuit voltage is low.

― PCM terminal 1W: 1.2 V

― PCM terminal 1AB: 1.2 V

― PCM terminal 1AG: 2 V

MONITORING CONDITIONS

― Battery voltage: 11—18 V

P0132:00

A/F sensor circuit high input

• The PCM monitors the input voltage from the A/F sensor when the engine is running. If the following PCM terminal voltage is above specified, the PCM determines that the A/F sensor circuit voltage is high.

― PCM terminal 1W: battery voltage−1.2 V

― PCM terminal 1AB: 6.2 V

― PCM terminal 1AG: battery voltage−1.2 V

MONITORING CONDITIONS

― Battery voltage: 11—18 V

P0133:00

A/F sensor circuit slow response

• The PCM monitors the peak differential value of the oxygen sensor signal after the A/F fluctuation being provided when the following conditions are met. If the peak differential value is lower than the threshold value, the PCM determines that the A/F sensor circuit is slow.

MONITORING CONDITIONS

― Drive Mode 03 (Variable Valve Timing, A/F Sensor Heater, HO2S Heater, A/F Sensor, HO2S and TWC Repair Verification Drive Mode)

― Following conditions are met:

• A/F sensor heater monitor is completed.

• Fuel system loop status is closed loop fuel control.

― ECT sensor and A/F sensor heater are normal.

― Engine speed: 1,100—3,500 rpm

― Charging efficiency: 16—63 % (at engine speed: 2,500 rpm)

― Intake airflow amount: 5—40 g/s {0.7—5.2 lb/min.}

― ECT: above 50 °C {122 °F}

P0134:00

A/F sensor circuit no activity detected

• The PCM monitors the element impedance of the A/F sensor when the following conditions are met. Under the following monitoring conditions, if the element impedance is more than specified value, the PCM determines that the A/F sensor is not activated.

MONITORING CONDITIONS

― Drive Mode 03 (Variable Valve Timing, A/F Sensor Heater, HO2S Heater, A/F Sensor, HO2S and TWC Repair Verification Drive Mode)

― The following conditions are met:

• A/F sensor heater is turned on for above 35 s.

• Battery voltage: 11—18 V

P0137:00

HO2S circuit low input

• The PCM monitors input voltage from HO2S. If the input voltage from the HO2S is below −0.93 V or HO2S bias voltage is below 1.39 V for 5 s or the voltage from the HO2S is below −0.15 V for 25 s while the HO2S is active, the PCM determines that the HO2S circuit input is low.

P0138:00

HO2S circuit high input

• The PCM monitors input voltage from HO2S. If the input voltage from the HO2S is above 1.14 V or HO2S bias voltage is above 1.61 V for 5 s, the PCM determines that the HO2S circuit input is high.

P013A:00

HO2S circuit slow response

• The PCM monitors the rich (0.55 V) to lean (0.3 V) response time of the HO2S. The PCM measures the response time when the following conditions are met. The PCM determines a HO2S response deterioration malfunction when the measured response time is more than 0.2 s for 2 of 3 times.

MONITORING CONDITIONS

― Drive Mode 03 (Variable Valve Timing, A/F Sensor Heater, HO2S Heater, A/F Sensor, HO2S and TWC Repair Verification Drive Mode)

― Following conditions are met:

• During deceleration fuel cut

• Estimated temperature of the zirconia element inside the HO2S: above 450 °C {842 °F}

• The PCM monitors for a time-out malfunction (when HO2S remains above 0.2 V for longer than a specified period of time during fuel cut control). The PCM measures the amount of time from when the following conditions are met until the HO2S output voltage drops below 0.2 V. The PCM determines a HO2S time-out malfunction when the detected time is more than 5 s for 2 of 3 times.

MONITORING CONDITIONS

― Drive Mode 03 (Variable Valve Timing, A/F Sensor Heater, HO2S Heater, A/F Sensor, HO2S and TWC Repair Verification Drive Mode)

― Following conditions are met:

• During deceleration fuel cut

• Estimated temperature of the zirconia element inside the HO2S: above 450 °C {842 °F}

P0140:00

HO2S circuit no activity detected

• The PCM monitors the input voltage from the HO2S when the following conditions are met. Under the following monitoring conditions, if the input voltage from the HO2S does not exceed 0.75 V even though the short term fuel trim is controlled up to 10 % for specified period, the PCM determines that the HO2S circuit is not activated.

MONITORING CONDITIONS

― Drive Mode 03 (Variable Valve Timing, A/F Sensor Heater, HO2S Heater, A/F Sensor, HO2S and TWC Repair Verification Drive Mode)

― Estimated temperature of the zirconia element inside the HO2S above 450 °C {842 °F}

P0171:00

Fuel trim system too lean

• When any of the following conditions is met:

― During idling or driving, the correction amount of the fuel feedback correction plus the fuel learning correction is a volume increase correction exceeding the specified value.

― During idling or driving, the amount of the fuel feedback increase correction reaches the upper limit.

P0172:00

Fuel trim system too rich

• When any of the following conditions is met:

― During idling or driving, the correction amount of the fuel feedback correction plus the fuel learning correction is a volume decrease correction exceeding the specified value.

― During idling or driving, the amount of the fuel feedback decrease correction reaches the upper limit.

P0191:00

Fuel pressure sensor circuit range/performance problem

• The difference between the actual and target fuel pressure is equal to or more than the specification, even though the fuel pressure feedback amount is maintained low or high.

P0192:00

Fuel pressure sensor circuit low input

• If the input voltage at the PCM terminal 1CA is less than 0.156 V for 5 s, the PCM determines that the fuel pressure sensor circuit is low.

P0193:00

Fuel pressure sensor circuit high input

• If the input voltage at the PCM terminal 1CA is more than 4.86 V for 5 s, the PCM determines that the fuel pressure sensor circuit is high.

P0201:00

Fuel injector circuit/open cylinder No.1

• If the fuel injection verification signal is not input at 25 times continuously even though the PCM drives the fuel injector No.1, the PCM determines that there is an open circuit in the fuel injector No.1 control circuit.

MONITORING CONDITIONS

― The following conditions are met:

• Battery voltage: 10.5 V or more

• Fuel injection control: except during fuel cut

P0202:00

Fuel injector circuit/open cylinder No.2

• If the fuel injection verification signal is not input at 25 times continuously even though the PCM drives the fuel injector No.2, the PCM determines that there is an open circuit in the fuel injector No.2 control circuit.

MONITORING CONDITIONS

― The following conditions are met:

• Battery voltage: 10.5 V or more

• Fuel injection control: except during fuel cut

P0203:00

Fuel injector circuit/open cylinder No.3

• If the fuel injection verification signal is not input at 25 times continuously even though the PCM drives the fuel injector No.3, the PCM determines that there is an open circuit in the fuel injector No.3 control circuit.

MONITORING CONDITIONS

― The following conditions are met:

• Battery voltage: 10.5 V or more

• Fuel injection control: except during fuel cut

P0204:00

Fuel injector circuit/open cylinder No.4

• If the fuel injection verification signal is not input at 25 times continuously even though the PCM drives the fuel injector No.4, the PCM determines that there is an open circuit in the fuel injector No.4 control circuit.

MONITORING CONDITIONS

― The following conditions are met:

• Battery voltage: 10.5 V or more

• Fuel injection control: except during fuel cut

P0222:00

TP sensor No.2 circuit low input

• If the PCM detects that the TP sensor No.2 voltage at the PCM terminal 1BU is below 0.1 V, the PCM determines that the TP sensor No.2 circuit has a malfunction.

P0223:00

TP sensor No.2 circuit high input

• If the PCM detects that the TP sensor No.2 voltage at the PCM terminal 1BU is above 4.9 V, the PCM determines that the TP sensor No.2 circuit has a malfunction.

P025B:00

Fuel pump control module circuit range/performance problem

• When any of the following conditions is met:

― Engine overheating is detected.

― Output duty ratio signal received from PCM is in error.

― Output signal from fuel pump control module is erratic (noise overlap).

P025C:00

Fuel pump control module result of on-board diagnostic test low input

• Result of on-board test cannot be received from fuel pump control module (voltage is too low).

P025D:00

Fuel pump control module result of on-board diagnostic test high input

• Result of on-board test cannot be received from fuel pump control module (voltage is too high).

P0300:00

Random misfire detected

• The PCM monitors the CKP sensor input signal interval time. The PCM calculates the change of interval time for each cylinder. If the change of interval time exceeds the preprogrammed criteria, the PCM detects a misfire in the corresponding cylinder. While the engine is running, the PCM counts the number of misfires that occurred at 200 crankshaft revolutions or 1000 crankshaft revolutions and calculates the misfire ratio for each crankshaft revolution. If the ratio exceeds the preprogrammed criteria, the PCM determines that a misfire, which can damage the catalytic converter or affect emission performance, has occurred.

P0301:00

Cylinder No.1 misfire detected

P0302:00

Cylinder No.2 misfire detected

P0303:00

Cylinder No.3 misfire detected

P0304:00

Cylinder No.4 misfire detected

P0327:00

KS circuit low input

• The PCM monitors input signal from the KS when the engine is running. If the input voltage is below 1.1 V for 5 s, the PCM determines that the KS circuit has a malfunction.

P0328:00

KS circuit high input

• The PCM monitors the input signal from the KS when the engine is running. If the input voltage is above 2.4 V for 5 s, the PCM determines that the KS circuit has a malfunction.

P0335:00

CKP sensor circuit problem

• There is no CKP sensor signal input while the exhaust camshaft rotates 5 times.

• CKP sensor input signal pattern, received while crankshaft rotates 10 times, is incorrect.

P0340:00

Intake CMP sensor circuit problem

• Intake CMP sensor input signal pattern, received while crankshaft rotates 24 times, is incorrect.

P0365:00

Exhaust CMP sensor circuit problem

• Exhaust CMP sensor input signal pattern, received while crankshaft rotates 24 times, is incorrect.

• Cylinder identification is not completed while the crankshaft rotates 13 times.

P0421:00

Warm up catalyst system efficiency below threshold

• The PCM compares the number of the A/F sensor and HO2S inversions for a predetermined time to detect the inversion ratio. It does this by monitoring the HO2S inversion counts when the following conditions are met. If the inversion ratio is below specification, the PCM determine that the catalyst system has deteriorated.

― The A/F sensor inversion counts is as prescribed when the following monitoring conditions are met:

― The accumulated occurrence time of the following monitoring conditions has exceeded the prescribed time limit:

MONITORING CONDITIONS

• Calculated TWC temperature: above 400 °C {752 °F}

• Engine speed: 1,100—3,000 rpm

• LOAD: 19—63 % (at engine speed of 1,500 rpm)

P0443:00

Purge solenoid valve circuit problem

• The PCM monitors the purge solenoid valve control signal voltage and current. If the following conditions are met, the PCM determines that there is the purge solenoid valve control circuit problem.

― The PCM turns the purge solenoid valve off, but the voltage of the purge solenoid valve control signal remains low.

― The PCM turns the purge solenoid valve on, but the current of the purge solenoid valve control signal remains high.

P0461:00

Fuel gauge sender unit circuit range/performance problem

• The PCM monitors the fuel tank level difference before and after the PCM-calculated fuel consumption has reached more than 25 L {26 US qt, 22 Imp qt}. If the difference is less than 5 %, the PCM determines that there is a fuel gauge sender unit circuit range/performance problem.

P0462:00

Fuel gauge sender unit circuit low input

• The PCM monitors the fuel level signal and fuel gauge sender unit output voltage from the instrument cluster. If the PCM detects a fuel level or fuel gauge sender unit output voltage that is too low, the PCM determines that the fuel gauge sender unit circuit has a malfunction.

P0463:00

Fuel gauge sender unit circuit high input

• The PCM monitors the fuel level signal and fuel gauge sender unit output voltage from the instrument cluster. If the PCM detects a fuel level or fuel gauge sender unit output voltage that is too high, the PCM determines that the fuel gauge sender unit circuit has a malfunction.

P0480:00

Cooling fan control circuit malfunction

• The PCM monitors the input voltage from the fan control module. If the voltage at the PCM terminal 2X remains low or high for 5 s, the PCM determines that the fan control circuit has a malfunction.

P0500:00

VSS circuit problem

• If an error in the wheel speed signal from the DSC HU/CM is detected by CAN when the following conditions are met:

― Shift position: except P, N or R position

― Absolute load: above 40 %

― Engine speed: above 2,000 rpm

― Brake switch: OFF

P0506:00

IAC system RPM lower than expected

• The actual idle speed is lower than expected by 100 rpm for 14 s, when the brake pedal is depressed (brake switch is on).

Note

• If the atmospheric pressure is less than 72.3 kPa {0.737 kgf/cm², 10.5 psi} or the intake air temperature is below −10 °C {14 °F}, the PCM cancels the diagnosis of DTC P0506:00.

P0507:00

IAC system RPM higher than expected

• The actual idle speed is higher than expected by 200 rpm for 14 s, when the brake pedal is depressed (brake switch is on).

Note

• If the atmospheric pressure is less than 72.3 kPa {0.737 kgf/cm², 10.5 psi} or the intake air temperature is below −10 °C {14 °F}, the PCM cancels the diagnosis of DTC P0507:00.

P0520:00

Oil pressure switch circuit problem

• The oil pressure switch is off for a continuous 5 s even though the engine is stopped.

P0524:00

Oil pressure switch problem

• The oil pressure switch is on for a continuous 5 s with the following condition met: (oil pressure warning light illuminates when 1 s has elapsed)

― When engine coolant temperature is 30 °C {86 °F} or less and engine speed is above 650 rpm

― When engine coolant temperature is 68 °C {154 °F} or less and engine speed is above 1,500 rpm

― When engine coolant temperature is 68 °C {154 °F} or more and engine speed is above 2,500 rpm

P0532:00

Refrigerant pressure sensor circuit low input

• The PCM monitors input voltage from the refrigerant pressure sensor when the ignition switch is ON. If the input voltage at the PCM terminal 2AX is below 0.1 V for 5 s, the PCM determines that the refrigerant pressure sensor circuit has a malfunction.

P0533:00

Refrigerant pressure sensor circuit high input

• The PCM monitors the input voltage from the refrigerant pressure sensor when the ignition switch is ON. If the input voltage at the PCM terminal 2AX is above 4.9 V for 5 s, the PCM determines that the refrigerant pressure sensor circuit has a malfunction.

P0555:00

Power brake unit vacuum sensor circuit problem

• The PCM monitors the power brake unit vacuum sensor signal voltage while the ignition switch is ON. If the PCM detects the power brake unit vacuum sensor voltage is below 0.15 V or above 4.8 V for 5 s, the PCM determines that the power brake unit vacuum sensor circuit has problem.

P0571:00

Brake switch circuit problem

• The PCM monitors switching in conjunction with brake switches No.1 and No.2. If either No.1 or No.2 do not switch for a continuous five times even though either No.1 or No.2 is switched from off to on or from on to off, P0571:00 is detected.

P057F:00

Power supply malfunction

• The battery charge/discharge flow exceeds the specification.

P058A:00

Current sensor problem

• The following conditions are met:

― Current sensor internal malfunction

― Battery voltage malfunction

― Battery fluid temperature malfunction

P058B:00

Current sensor problem

• When following conditions continue for 10 s:

― Battery voltage: specified value or more

― Discharge flow from battery: 0 A or more

P058D:00

Current sensor problem

• The voltages of the PCM and current sensor are compared and the difference is the specified value or more.

P0600:00

Serial communication link

• PCM internal malfunction.

P0601:00

PCM memory check sum error

• PCM internal memory check sum error.

P0602:00

PCM programming error

• No configuration data in the PCM.

Note

• If the “PCM CONFIGURATION” is successful, the PCM stores the DTC P0602:00 and illuminates the MIL (system is normal). Clear the DTC P0602:00 using the M-MDS after the “PCM CONFIGURATION”.

• The MIL goes out after three drive cycles with no failure (the DTCs remain in PCM).

P0606:00

PCM processor error

• PCM internal CPU malfunction.

P0607:00

Control module performance problem

• PCM internal malfunction.

P0610:00

PCM vehicle configuration error

• PCM data configuration error.

P0615:00

Starter relay circuit problem

• The PCM records DTCs when the number of times the engine has been started reaches the warrantied performance frequency for the starter or starter relay (180,000 times).

P061B:00

Internal control module torque calculation performance problem

• Indicates that a calculation error occurred in the PCM.

• There is a malfunction in the sensor input signal to the PCM.

P061D:00

Internal control module engine air mass performance problem

• Indicates an error occurred in the PCM.

P061F:00

Internal control module throttle valve actuator controller performance problem

• Indicates that a calculation error occurred in the PCM.

P0628:00

Fuel pump control module circuit low input

• When the PCM outputs a duty signal to the fuel pump control module, the difference in voltage between fuel pump unit terminals B and D is less than 1.5 V for a continuous 5 s.

P0629:00

Fuel pump control module circuit high input

• Over-current is detected.

P0638:00

Throttle valve actuator control range/performance problem

• The PCM compares the actual TP with the target TP. If the difference is more than the threshold value, the PCM determines that there is a throttle valve actuator control range/performance problem.

P064D:00

Internal control module A/F sensor processor performance problem

• The A/F sensor IC integrated in the PCM converts to the voltage value for the fuel control and for the diagnosis based on the A/F sensor signal current and sends to the CPU (integrated in the PCM). If there is a transmission format error from the A/F sensor IC to the PCM, the PCM will detect a transmission error.

MONITORING CONDITIONS

― Drive Mode 03 (Variable Valve Timing, A/F Sensor Heater, HO2S Heater, A/F Sensor, HO2S and TWC Repair Verification Drive Mode)

― Following conditions are met:

• Engine is running

• Battery voltage: 11—18 V

P0685:00

Main relay control circuit open

• This DTC sets when the ignition switch position run circuit indicates the key is in the off, ACC, or LOCK position, and the amount of time the PCM remains powered through the PCM power relay exceeds a predetermined amount of time.

P06B8:00

Internal control module non-volatile RAM error

• PCM internal EEPROM malfunction.

P06DA:00

Engine oil solenoid valve circuit problem

• The engine oil solenoid valve control current exceeds the specification or the control voltage at the PCM terminal 1AS is less than the specification relative to the PCM control condition.

P0703:00

Brake switch input circuit problem

• The PCM monitors the input signal from the brake switch No.1. If the input signal does not change while following decelerating 8 times, the PCM determines that there is a brake switch No.1 input circuit problem.

MONITORING CONDITIONS

― Vehicle speed: from above 30 km/h {19 mph} to 30 km/h {19 mph} or less

― Deceleration rate: exceeds 3.8 km/h {2.4 mph} per 0.1 s

P0A0F:00

Engine failed to restart

• Any of following conditions occurs:

― When the engine should restart after it is stopped by the i-stop control, it does not start even though it is cranked for 3 s or more.

― When the engine should restart after it is stopped by the i-stop control, it does not cranked.

P0A8D:00

Power supply system circuit low input

• Any of the values for the battery voltage, voltage for PCM control, and voltage for DC-DC converter control is low when the engine is started.

P0A94:00

DC-DC converter control circuit signal error

• Internal malfunction signal from DC-DC converter is received (LIN communication).

• Input signal from the DC-DC converter limits the pressure increase time.

• Input signal from the DC-DC converter does not implement pressure increase after a pressure increase command to the DC-DC converter.

P1260:00

Immobilizer system problem

• The instrument cluster detects an immobilizer system malfunction.

P1380:00

Electric variable valve timing control circuit problem

• A malfunction is detected in the results of the on-board diagnostic test received from electric variable valve timing driver.

P151B:00^*1

IAC system problem

• The PCM cannot control the idle speed toward the target idle speed during the KOER self test.

P2090:00

OCV circuit low input

• The PCM monitors the OCV voltage. If the PCM detects the OCV control voltage (calculated from the OCV) is below the specification voltage (calculated from the battery positive voltage), the PCM determines that the OCV circuit has a malfunction.

P2091:00

OCV circuit high input

• The PCM monitors the OCV current. If the PCM detects that the OCV control current (calculated from the OCV) is above the specification current, the PCM determines that the OCV circuit has a malfunction.

P2096:00

Target A/F feedback system too lean

• The PCM monitors the target A/F fuel trim when under the target A/F feedback control. If the fuel trim is more than the specification, the PCM determines that the target A/F feedback system is too lean.

P2097:00

Target A/F feedback system too rich

• The PCM monitors the target A/F fuel trim when under the target A/F feedback control. If the fuel trim is less than specification, the PCM determines that the target A/F feedback system is too rich.

P2101:00

Throttle valve actuator circuit range/performance problem

• The PCM turns the main relay on, but if the input voltage is 5.0 V or less, then the PCM determines that the main relay control circuit voltage is low.

• The PCM monitors the input voltage from the main relay. The PCM turns the main relay off, but if the input voltage is 5.0 V or more, then the PCM determines that the main relay control circuit voltage is high.

P2107:00

Throttle valve actuator control module processor error

• Throttle valve actuator control module internal processor error.

P2109:00

TP sensor minimum stop range/performance problem

• If the fully-open throttle position is 5.1 ° or lower, or 15.9 ° or more (even though the fully-open throttle position learning is finished), the PCM determines there is a malfunction.

P2110:00

Throttle valve actuator control system-forced limited RPM

• The throttle valve actuator control system is in the failure mode effects management mode.

P2112:00

Throttle valve actuator control system range/performance problem

• If the duty ratio is 95 % or more, the PCM determines that there is a throttle valve actuator control system range/performance problem.

P2119:00

Throttle valve actuator control throttle body range/performance problem

• The PCM compares the actual TP with initial setting TP when the ignition is switched to off. If the TP is lower than the initial setting TP, the PCM determines that there is a throttle valve return spring malfunction.

P2122:00

APP sensor No.1 circuit low input

• The PCM monitors the input voltage from APP sensor No.1 when the engine is running. If the input voltage at the PCM terminal 2AN is less than 0.1 V, the PCM determines that the APP sensor No.1 circuit input voltage is low.

P2123:00

APP sensor No.1 circuit high input

• The PCM monitors the input voltage from APP sensor No.1 when the engine is running. If the input voltage at the PCM terminal 2AN is above 4.9 V, the PCM determines that the APP sensor No.1 circuit input voltage is high.

P2127:00

APP sensor No.2 circuit low input

• The PCM monitors the input voltage from APP sensor No.2 when the engine is running. If the input voltage at the PCM terminal 2AS is less than 0.1 V, the PCM determines that the APP sensor No.2 circuit has a malfunction.

P2128:00

APP sensor No.2 circuit high input

• The PCM monitors the input voltage from APP sensor No.2 when the engine is running. If the input voltage at the PCM terminal 2AS is more than 4.9 V, the PCM determines that the APP sensor No.2 circuit has a malfunction.

P2135:00

TP sensor No.1/No.2 voltage correlation problem

• The PCM compares the input voltage from TP sensor No.1 with the input voltage from TP sensor No.2 when the engine is running. If the difference is more than the specification, the PCM determines that there is a TP sensor No.1/No.2 voltage correlation problem.

P2138:00

APP sensor No.1/No.2 voltage correlation problem

• The PCM compares the input voltage from APP sensor No.1 with the input voltage from APP sensor No.2 when the engine is running. If the difference is more than the specification, the PCM determines that there is an APP sensor No.1/No.2 angle correlation problem.

P2228:00

BARO sensor circuit low input

• The PCM monitors input voltage from the BARO sensor. If the input voltage is below 1.95 V for 5 s, the PCM determines that the BARO sensor circuit has a malfunction.

P2229:00

BARO sensor circuit high input

• The PCM monitors input voltage from the BARO sensor. If the input voltage is above 4.45 V for 5 s, the PCM determines that the BARO sensor circuit has a malfunction.

P2237:00

A/F sensor positive current control circuit open

• The PCM monitors A/F sensor positive current control circuit voltage. If the voltage is between 2.2 V and 2.4 V while the engine is running, the PCM determines that the A/F sensor positive current control circuit is open.

P2243:00

A/F sensor reference voltage circuit open

• The PCM monitors the A/F sensor signal voltage at the PCM terminal 1W. If either of the following conditions is met, the PCM determines that the A/F sensor reference voltage circuit is open.

― The PCM terminal 1W voltage is above 5.3 V for 30 s.

― The PCM detects DTC P0134:00 while the pending code P2243:00 is stored.

MONITORING CONDITIONS

― Drive Mode 03 (Variable Valve Timing, A/F Sensor Heater, HO2S Heater, A/F Sensor, HO2S and TWC Repair Verification Drive Mode)

― Following conditions are met:

• Engine is running

• Battery voltage: 11—18 V

• A/F sensor element impedance: specified or more

P2251:00

A/F sensor negative current control circuit open

• The PCM monitors the A/F sensor signal voltage at the PCM terminal 1W. If either of the following conditions is met, the PCM determines that the A/F sensor negative current control circuit is open.

MONITORING CONDITIONS

― Circuit voltage oscillation or the PCM terminal 1W voltage is below 5.3 V.

― The PCM detects the DTC P0134:00 while the pending code P2251:00 is stored.

― A/F sensor element impedance: specified or more

― Battery voltage: 11—18 V

P2299:00

Accelerator pedal: spring back malfunction

• Brake override system operates.

P2302:00

Ion sensor No.1 circuit problem

• When the engine speed is 2,000 rpm or less, the signal input to the PCM from ion sensor No.1 is in error.

P2305:00

Ion sensor No.2 circuit problem

• When the engine speed is 2,000 rpm or less, the signal input to the PCM from ion sensor No.2 is in error.

P2308:00

Ion sensor No.3 circuit problem

• When the engine speed is 2,000 rpm or less, the signal input to the PCM from ion sensor No.3 is in error.

P2311:00

Ion sensor No.4 circuit problem

• When the engine speed is 2,000 rpm or less, the signal input to the PCM from ion sensor No.4 is in error.

P2502:00

Charging system voltage problem

• The PCM determines that the generator output voltage is more than 17 V, and the battery voltage is less than 11 V, for 5 s while the engine is running.

P2503:00

Charging system voltage low input

• The PCM determines that the generator output voltage is less than 8.5 V, and the generator target output current is more than 20 A, for 5 s while the engine is running.

P2504:00

Charging system voltage high input

• The PCM determines that the generator output voltage is more than 18.5 V, or battery voltage is more than 16.0 V, for 5 s while the engine is running.

P2507:00

PCM battery voltage low input

• The PCM monitors the voltage of backup battery positive terminal. If the PCM detects that the battery positive terminal voltage is below 6 V for 5 s, the PCM determines that the backup voltage circuit has a malfunction.

P2610:00

Instrument cluster internal engine off timer performance problem

• Instrument cluster internal engine off timer is damaged.

U0073:00

CAN system communication error (HS CAN)

• If there is a malfunction in CAN bus communication line.

U0074:00

CAN system communication error (local CAN between PCM and TCM)

• If there is a malfunction in CAN bus communication line.

U0101:00

CAN communication: communication error to TCM

• When a communication error between the TCM continues for 5 s or more.

U0121:00

CAN communication: communication error to DSC HU/CM

• When a communication error between the DSC HU/CM continues for 5 s or more.

U0131:00

CAN communication: communication error to EHPAS control module

• When a communication error between the EHPAS control module continues for 5 s or more.

U0140:00

CAN communication: communication error to BCM

• When a communication error between the BCM continues for 5 s or more.

U0151:00

CAN communication: communication error to SAS control module

• When a communication error between the SAS control module continues for 5 s or more.

U0155:00

CAN communication: communication error to instrument cluster

• When a communication error between the instrument cluster continues for 5 s or more.

U0214:00^*2

CAN communication: communication error to keyless control module

• When a communication error between the keyless control module continues for 5 s or more.

U0298:00

LIN communication: communication error to DC-DC converter

• PCM detects a communication error with the DC-DC converter.

U0302:00

TCM processor error

• If data from TCM is not reliable.

U1007:00

LIN communication: communication error to current sensor

• When a communication error between the current sensor continues for 5 s or more.

U3000:41

PCM processor error

• PCM internal EEPROM malfunction.