ECM/PCM Code Description

DIAGNOSTIC TROUBLE CODE (DTC) DESCRIPTIONS
DTC 11
Malfunction Indicator Lamp (MIL) Circuit.

DTC 13
Bank 1 (Left) Heated Oxygen Sensor (HO2S) Circuit (Open Circuit).

DTC 14
Engine Coolant Temperature (ECT) Sensor Circuit (Signal Voltage Low, High Temperature Indicated).

DTC 15
Engine Coolant Temperature (ECT) Sensor Circuit (Signal Voltage High, Low Temperature Indicated).

DTC 16
Distributor Ignition System (Low Resolution Pulse).

DTC 18
Injector Circuit(s).

DTC 21
Throttle Position (TP) Sensor Circuit (Signal Voltage High).

DTC 22
Throttle Position (TP) Sensor Circuit (Signal Voltage Low).

DTC 23
Intake Air Temperature (IAT) Sensor Circuit (Signal Voltage High, Low Temperature Indicated).

DTC 24
Vehicle Speed Sensor (VSS) Circuit.

DTC 25
Intake Air Temperature (IAT) Sensor Circuit (Signal Voltage Low, High Temperature Indicated).

DTC 26
Evaporative Emission (EVAP) Canister Purge Solenoid Valve Circuit.

DTC 27
Exhaust Gas Recirculation (EGR) Vacuum Control Signal Solenoid Valve Circuit.

DTC 28
Transmission Range (TR) Pressure Switch Assembly Fault.

DTC 29
Secondary Air Injection (AIR) Pump Circuit.

DTC 32
Exhaust Gas Recirculation (EGR).

DTC 33
Manifold Absolute Pressure (MAP) Sensor Circuit (Signal Voltage High - Low Vacuum).

DTC 34
Manifold Absolute Pressure (MAP) Sensor Circuit (Signal Voltage Low - High Vacuum).

DTC 36
Distributor Ignition System (Faulty High Resolution Pulse or Extra Low Resolution Pulse Detected).

DTC 37
Brake Switch Stuck "ON".

DTC 38
Brake Switch Stuck "OFF".

DTC 41
Ignition Control (IC) Circuit (Open Circuit).

DTC 42
Ignition Control (IC) Circuit (Shorted or Grounded Circuit).

DTC 43
Knock Sensor (KS) Circuit.

DTC 44
Bank 1 (Left) Heated Oxygen Sensor (HO2S) Circuit (Lean Exhaust Indicated).

DTC 45
Bank 1 (Left) Heated Oxygen Sensor (HO2S) Circuit (Rich Exhaust Indicated).

DTC 46
PASS-Key II Circuit.

DTC 47
Knock Sensor (KS) Circuit or Module Missing.

DTC 48
Mass Air Flow (MAF) Sensor Circuit.

DTC 50
System Voltage Low.

DTC 51
Electrically Erasable Programmable Read Only Memory (EEPROM) Programming Error.

DTC 53
System Voltage High.

DTC 55
Fuel Lean Monitor.

DTC 58
Transmission Fluid Temperature (TFT) Sensor Circuit Low (High Temperature Indicated).

DTC 59
Transmission Fluid Temperature (TFT) Sensor Circuit High (Low Temperature Indicated).

DTC 63
Bank 2 (Right) Heated Oxygen Sensor (HO2S) Circuit (Open Circuit).

DTC 64
Bank 2 (Right) Heated Oxygen Sensor (HO2S) Circuit (Lean Exhaust Indicated).

DTC 65
Bank 2 (Right) Heated Oxygen Sensor (HO2S) Circuit (Rich Exhaust Indicated).

DTC 66
A/C Refrigerant Pressure Sensor Circuit (Open or Shorted).

DTC 67
A/C Refrigerant Pressure Sensor Circuit (Pressure Sensor or A/C Clutch Circuit Problem).

DTC 68
A/C Relay Circuit (Shorted Circuit).

DTC 69
A/C Clutch Circuit.

DTC 70
A/C Clutch Relay Driver Circuit.

DTC 72
Vehicle Speed Sensor Loss.

DTC 73
Pressure Control Solenoid (PCS) Circuit (Current Error).

DTC 75
Transmission System Voltage Low.

DTC 77
Primary Cooling Fan Relay Control Circuit (Not Used With V08 Option).

DTC 78
Secondary Cooling Fan Relay Control Circuit.

DTC 79
Transmission Fluid Overtemp.

DTC 81
Transmission 2-3 Shift Solenoid Circuit.

DTC 82
Transmission 1-2 Shift Solenoid Circuit.

DTC 83
Torque Converter Clutch (TCC) Pulse Width Modulated (PWM) Solenoid Circuit Fault.

DTC 84
Transmission 3-2 Control Solenoid Circuit.

DTC 85
Transmission Torque Converter Clutch (TCC) Stuck "ON".

DTC 90
Transmission Torque Converter Clutch (TCC) Solenoid Circuit.

DTC 95
Change Oil Lamp Circuit.

DTC 96
Low Oil Lamp Circuit.

DTC 97
Vehicle Speed Sensor (VSS) Output Circuit.