A L L Diagnostic Trouble Codes ( DTC )
Testing and Inspection- Diagnostic Trouble Code Descriptions
- FD or Undocumented Codes
- Trouble Code Types and Reset Counter
- Code to Test Chart
- 2 and 3 Digit Codes
- Scan Tool Text Codes
- A/C Clutch Relay Circuit
- Auto Shutdown (ASD) Relay Control Circuit
- Battery Temp Sensor Voltage Out of Limit
- Charging System Voltage Too High
- Charging System Voltage Too Low
- CNG Pressure Sensor Voltage Too High
- CNG Pressure Sensor Voltage Too Low
- CNG Temperature Sensor Voltage Too High
- CNG Temperature Sensor Voltage Too Low
- ECT Sensor Voltage Too High
- ECT Sensor Voltage Too Low
- Engine Is Cold Too Long
- Generator Field Not Switching Properly
- High Speed Fan Control Relay Circuit
- Idle Air Control Motor Circuits
- Ignition Coil Primary Circuit
- Injector Control Circuit
- Internal Controller Failure
- Low Speed Fan Control Relay Circuit
- MAP Sensor Voltage Too High
- MAP Sensor Voltage Too Low
- No ASD Relay Output Voltage At PCM
- No Cam Signal at PCM
- No Change In MAP From Start to Run
- No Crank Reference Signal at PCM
- O2S Shorted to Voltage
- O2S Stays Above Center (Rich)
- O2S Stays at Center
- O2S Stays Below Center (Lean)
- PCM Failure SPI Communications
- Speed Control Solenoid Circuits
- Throttle Position Sensor Voltage High
- Throttle Position Sensor Voltage Low
- Detailed Descriptions
- Antilock Brakes / Traction Control Systems
- Audio System
- Information Bus
- Restraint Systems
- Driver Side (Squib) Circuit Open
- Driver Side (Squib) Circuit Shorted
- Driver Squib Term Shorted to Battery
- Driver Squib Term Shorted to Ground
- Loss of Ignition Run Only
- Loss of Ignition Run/Start
- No BCM Bus Message
- Passenger Squib Circuit Open
- Passenger Squib Circuit Shorted
- Passenger Squib Term Shorted to Battery
- Passenger Squib Term Shorted to Ground
- Pressure Switch Circuit Open/Shorted
- Troubleshooting Intermittant Codes
- Warning Lamp Circuit Open
- Warning Lamp Circuit Shorted
- Transmission Control System
- Listed by Code Name (Description)
- All Pressure Switch Circuits
- Autostick Input Circuit
- Battery Was Disconnected
- BUS Communication With Engine Module
- Calculated Oil Temperature In Use
- Check Shifter Signal
- Engine Speed Sensor Circuit
- Fault Immediately After A Shift
- Gear Ratio Error In Reverse
- Gear Ratio Error In 1ST
- Gear Ratio Error In 2ND
- Gear Ratio Error In 3RD
- Gear Ratio Error In 4TH
- High Temperature Operations Activated
- Inadequate Element Volume: LR
- Inadequate Element Volume: OD
- Inadequate Element Volume: 2-4
- Input Sensor Error
- L-R Pressure Switch Circuit
- Possible Causes of Codes
- L-R Solenoid Circuit
- L-R/OD Pressure Switch Circuit
- L-R/2-4 Pressure Switch Circuit
- Loss of Prime
- Manual Shift Overheat
- No Response
- OD Hydraulic Pressure Switch
- OD Pressure Switch Circuit
- OD Solenoid Circuit
- Output Sensor Error
- Power-Up at Speed
- Relay Output Always OFF
- Relay Output Always ON
- Repairing Back-Up Lamp Problems
- Sensor Ground Error
- Solenoid Switch Valve Latched In L-R Position
- Solenoid Switch Valve Latched In TCC Position
- Test For Speed Proportional Steering
- Throttle Position Signal
- Torque Converter Clutch Control Circuit
- Transmission Control Relay Output
- TRD Link Communication Error
- UD Solenoid Circuit
- Worn Out/Burnt Transaxle Fluid
- 2-4 Hydraulic Pressure Switch
- 2-4 Pressure Switch Circuit
- 2-4 Solenoid Circuit
- 2-4/OD Hydraulic Pressure Switch
- 2-4/OD Pressure Switch Circuit
- 3-4 Shift Abort
- Listed By 2 Digit Code
- Listed by 2 Digit Code (With Possible Causes)
- 11 Internal Controller (Watchdog Circuit Test)
- 12 Battery Was Disconnected
- 13 Internal Controller (Watchdog Circuit Test)
- 14 Relay Always on (Relay Contacts Are Welded Closed)
- 15 Relay Always Off (Relay Contact S Are Stuck Open)
- 16 Internal Controller (ROM Check Failure)
- 17 Internal Controller (RAM Check Failure)
- 18 Engine Speed Sensor Circuit
- 19 Bus Communicat on With Engine Module
- 20 Switched Battery Unit
- 21-27 Pressure Switch Circuits
- 28 Bad TRS Data
- 29 Throttle Position Sensor Signal Circuit
- 31-32 Hydraulic Pressure Switch Circuits
- 35 Loss of Prime
- 36 Fault Immediately After A Shift
- 37 Solenoid Switch Valve Latched In TCC Position
- 38 Torque Converter Clutch Out of Range
- 41 - 44 Solenoid Circuit Errors
- 45 Internal Controller Failure (EEPROM Byte Failure)
- 46 UD Hydraulic Circuit (3-4 Shift Abort)
- 47 Solenoid Switch Valve Latched In the LR Position
- 50-58 Output and Input Speed Errors
- 60-63 Inadequate Element Volumes
- Listed by Code Name (Description)
- Manufacturer Code Charts
- Diagnostic Notes (Read Before Proceding)
- FD or Undocumented Codes
- Code to Test Chart
- Trouble Code (TC) Tests
- Diagnostic Trouble Codes Interpretation
- TC-1A CODE TO TC TEST CHART (Checking For Trouble Codes)
- TC-2A No Crank Reference Signal at PCM (CNG)
- TC-2B No Crank Reference Signal at PCM (CNG)
- TC-3A No Cam Signal at PCM (CNG)
- TC-4A No Change In MAP From Start to Run (CNG)
- TC-5A MAP Sensor Voltage Too Low (CNG)
- TC-6A MAP Sensor Voltage Too High (CNG)
- TC-7A No Vehicle Speed Sensor Signal (CNG)
- TC-8A Oxygen Sensor (O2S) Shorted to Voltage (CNG)
- TC-9A Oxygen Sensor (O2S) Stays at Center (CNG)
- TC-10A Oxygen Sensor (O2S) Stays Above Center (Rich) (CNG)
- TC-11A Oxygen Sensor (O2S) Stays Below Center (Lean) (CNG)
- TC-12A ECT Sensor Voltage Too High (CNG)
- TC-13A ECT Sensor Voltage Too Low (CNG)
- TC-14A Throttle Position Sensor Voltage High (CNG)
- TC-15A Throttle Position Sensor Voltage Low (CNG)
- TC-16A Idle Air Control Motor Circuits (CNG)
- TC-16B Idle Air Control Motor Circuits (CNG)
- TC-16C Idle Air Control Motor Circuits (CNG)
- TC-16D Idle Air Control Motor Circuits (CNG)
- TC-16E Idle Air Control Motor Circuits (CNG)
- TC-17A CNG Temperature Sensor Voltage Too Low
- TC-18A CNG Temperature Sensor Voltage Too High
- TC-19A CNG Pressure Sensor Voltage Too Low (CNG)
- TC-20A CNG Pressure Sensor Voltage Too High (CNG)
- TC-21A A/C Clutch Relay Circuit (CNG)
- TC-22A Low (CNG) Speed Fan Control Relay Circuit
- TC-23A High (CNG) Speed Fan Control Relay Circuit (CNG)
- TC-24A Auto Shutdown Relay Control Circuit (CNG)
- TC-25A No ASD Relay Output Voltage at PCM (CNG)
- TC-26A Ignition Coil Primary Circuit (CNG)
- TC-26B Ignition Coil #1 Primary Circuit (CNG)
- TC-27A Ignition Coil #2 Primary Circuit (CNG)
- TC-27A RAD Fan Control Relay Circuit (AC/AY Only)
- TC-28A Ignition Coil #3 Primary Circuit (CNG)
- TC-28A Low Speed Fan Control Relay Circuit
- TC-29A High Speed Fan Control Relay Circuit
- TC-29A PCM Failure SRI Mile Not Stored & EEPROM Write Denied
- TC-30A Battery Temperature Sensor Voltage Out of Limit (CNG)
- TC-31A Generator Field Not Switching Properly (CNG)
- TC-32A Charging System Voltage Too Low (CNG)
- TC-33A Charging System Voltage Too High (CNG)
- TC-34A Speed Control Solenoid Circuits (CNG)
- TC-34B Speed Control Solenoid Circuits (CNG)
- TC-34C Speed Control Solenoid Circuits (CNG)
- TC-35A Injector Control Circuit (CNG)
- TC-35B Injector #1 Control Circuit (CNG)
- TC-35C Injector #1 Control Circuit (CNG)
- TC-36A Battery Temp Sensor Volts Outside Limits
- TC-36A Injector #2 Control Circuit (CNG)
- TC-36B Injector #2 Control Circuit (CNG)
- TC-37A Generator Field Not Switching Properly
- TC-37A Injector #3 Control Circuit (CNG)
- TC-37B Generator Field Not Switching Properly
- TC-37B Injector #3 Control Circuit (CNG)
- TC-38A Charging System Voltage Too Low
- TC-38A Injector #4 Control Circuit (CNG)
- TC-38B Injector #4 Control Circuit (CNG)
- TC-39A Charging System Voltage Too High
- TC-39A Injector #5 Control Circuit (CNG)
- TC-39B Charging System Voltage Too High
- TC-39B Injector #5 Control Circuit (CNG)
- TC-40A Injector #6 Control Circuit (CNG)
- TC-40B Injector #6 Control Circuit (CNG)
- Airbag System
- 1A Testing System Function
- 2A Repairing A Blank Scan Tool Screen
- 3A Loss of Ignition Run Only
- 3E Loss of Ignition Run Only
- 4A Two Front Sensors Circuit Open
- 5A Driver Squib Circuit Open
- 6A Passenger Squib Circuit Open
- 7A Driver Squib Circuit Shorted
- 8A Passenger Squib Circuit Shorted
- 10A Front Sensor Circuit Shorted
- 11A One Front Sensor Circuit Open
- 11B One Front Sensor Circuit Open
- 13A No CCD Communications
- 14A Repairing A "No Response" Condition
- 14B Repairing A "No Response" Condition
- 15A ACM Replacement Procedure
- 16A Warning Lamp Circuit Open/Shorted
- 17A Driver Squib Term Shorted to Battery
- 18A Pass Squib Term Shorted to Battery
- 19A Driver Squib Term Shorted to Ground
- 20A Pass Squib Term Shorted to Ground
- 21A Pressure Switch Circuit Open/Short
- 22A Loss of Ignition Run/Start
- 27A Intermittent Trouble Codes
- 28A Seat Belt Pretensioner Circuit Open
- 29A Seat Belt Pretensioner Circuit Shorted
- 30A Seat Belt Pretensioner Circuit Shorted to Battery
- 31A Seat Belt Pretensioner Circuit Shorted to Ground
- Antilock Brakes / Traction Control Systems
- 1A Checking For Diagnostic Trouble Codes
- 2A ABS Warning Lamp Diode Circuit
- 3 ABS Warning Lamp Circuit
- 4 Excess Decay
- 5A Left Front Wheel Speed Sensor
- 5B Left Front Wheel Speed Sensor
- 6A Left Rear Wheel Speed Sensor
- 6B Left Rear Wheel Speed Sensor
- 7 Left Front Wheel Speed Sensor Continuity Fault
- 8 Left Rear Wheel Speed Sensor Continuity Fault
- 9 Modulator Circuit
- 10 Pump/Motor Circuit
- 11 Right Front Wheel Speed Sensor Continuity Fault
- 12A Right Front Wheel Speed Sensor
- 12B Right Front Wheel Speed Sensor
- 13A Right Rear Wheel Speed Sensor
- 13B Right Rear Wheel Speed Sensor
- 14 Right Rear Wheel Speed Sensor Continuity Fault
- 15 Solenoid Undervoltage Fault
- 16 System Relay Circuit
- 17A DRB "No Response" Message
- 18A DRB Blank Screen
- Body Control Module
- Symptom Identification (Start Here)
- Courtesy Lamp System
- Door Ajar System
- DRB Blank Screen
- Electro/Mechanical Instrument Cluster
- 42A Identifying Instrument Cluster Problems
- 43A Electro/Mechanical Instrument Cluster ID Circuits
- 44A Identifying the Faulty MIC Gauge
- 45A Tachometer Circuit
- 46A Open Instrument Cluster Sense Circuits
- 47A Faulty Individual Gauge
- 48A Faulty Speedometer/Odometer
- 49A Identifying the Faulty Premium MIC Warning Lamp
- 50A Identifying the Faulty Base MIC Warning Lamp
- 51A Low Fuel Warning Lamp
- 52A Inoperative Warning Lamp
- 53A Faulty Check Gages Lamp
- 54A Check Gages Lamp On and All Gauges Inop
- 55A Door Ajar Warning Lamp
- 56A Voltage Gauge/Indicator Operation
- Electronic Instument Cluster
- 30A Identifying Electronic Instrument Cluster Problems
- 31A Instrument Cluster No Response Condition
- 31B Open Fused Ignition Switch Output to EIC
- 31D Instrument Cluster to Battery Power Supply
- 32A Identifying Instrument Cluster Trouble Codes
- 33A Electronic Instrument Cluster ID Circuits
- 34A Instrument Cluster Switch Operation
- 35A Identifying Instrument Cluster Gauge Problems
- 36A Speedometer/Odometer
- 37A Instrument Cluster Faulty Warning Indicator
- Engine Temperature Sending Unit
- Fuel Level Sending Unit
- Headlamp Time Delay System
- Illuminated Entry System
- Infinity Radio (CCD)
- 86A Identifying CCD Radio Problems
- 86B Identifying CCD Radio Trouble Codes
- 86C Shorted (L) Channel
- 86D Shorted (R) Channel
- 86E Antenna Error
- 87A Radio No Response Condition
- 87B Radio No Response Condition
- 88A No Sound From One Speaker
- 88B Inoperative I/P and Door Speaker
- 89A No Sound From All Speakers
- 90A Poor Sound Quality From One Speaker
- 91A Poor Sound Quality From All Speakers
- 91B Poor Sound Quality From All Speakers
- Instrument Cluster Illumination
- Key-In Lamp System
- Liftgate Release
- No Response Tests
- Oil Pressure Sending Unit
- Seat Belt Lamp
- Side Door Memory Lock
- Washer Fluid Level Switch
- Charging System (CH) Tests
- Chime System
- 2A Identifying Chime System Problems
- 3A Inoperative Chime
- 4A Chime That Sounds With Seat Belt Fastened
- 5A Chime Sounds With Door Open/Key Out
- 6A Chime Inop. With Exterior Lamps On/Key Off
- 7A Chime Inop Key In Ignition/Door Open
- 8A Chime Inop Seat Belt Unfastened/Key On
- 9A Chime Inoperative With Turn Signals on
- 9B Chime Inoperative With Left Turn Signal on
- 9C Chime Inoperative With Right Turn Signal on
- Compass/Mini-Trip Computer
- 10A Identifying Compass/Mini-Trip Module Trouble Codes
- 11A Compass/Mini-Trip Blank Screen
- 11B Compass/Mini-Trip Blank Screen
- 12A Compass/Mini-Trip Displaying OC or SC
- 13A Compass/Mini-Trip With Inoperative Eco
- 14A Compass/Mini-Trip With Inoperative Et
- 15A Identifying Compass/Mini-Trip Module Problems
- 16A Blank Screen or No Response
- 17A Mileage and Distance Problem
- 18A Compass/Mini-Trip Switches
- 19A ET Inoperative or Wrong
- 20A Compass/Mini-Trip No Response
- Cruise Control
- Heating and Air Conditioning
- Actuator Calibration/Diagnostics and Cooldown Test
- Failure Codes/Level Display
- A/C and Recirc LED Flashing Simultaneously
- Rear Wiper LED Flashing Once, Int. LED Not Flashing
- Rear Wiper LED Flashing Once, Int. LED Flashing Once
- Rear Wiper LED Flashing Once, Int. LED Flashing Twice
- Rear Wiper LED Flashing Once, Int. LED Flashing Three Times
- Rear Wiper LED Flashing Once, Int. LED Flashing Four Times
- Rear Wiper LED Flashing Once, Int. LED Flashing Five Times
- Rear Wiper LED Flashing Once, Int. LED Flashing Six Times
- Rear Wiper LED Flashing Once, Int. LED Flashing Seven Times
- Rear Wiper LED Flashing Once, Int. LED Flashing Eight Times
- Rear Wiper LED Flashing Once, Int. LED Flashing Nine Times
- Power Door Lock System
- With Remote Keyless Entry (RKE)
- 78A Identifying Lock and Remote Keyless Entry Problems
- 79A L/F Door Fails to Lock and Unlock From Any Switch
- 80A L/F Door Fails to Lock From Any Switch
- 81A L/F Door Fails to Unlock From Any Switch
- 82A All Doors Except L/F Fail to Lock and Unlock
- 83A All Doors Except Left Front Fail to Lock
- 84A All Doors Except Left Front Fail to Unlock
- 85A Remote Keyless Entry System
- Without Remote Keyless Entry (RKE)
- 69A Identifying Power Door Lock Problems (Without RKE)
- 70A All Doors Failing to Lock and Unlock From Any Switch
- 71A All Doors Failing to Lock and Unlock From One Switch
- 72A All Doors Failing to Lock From Any Switch
- 72B Shorted Key-in Ignition Circuit
- 73A All Doors Failing to Lock From One Switch
- 74A All Doors Failing to Unlock From Any Switch
- 75A All Doors Failing to Unlock From One Switch
- 76A One Door Failing to Lock and Unlock From Any Switch
- 77A Automatic (Speed Sensitive) Door Locks
- With Remote Keyless Entry (RKE)
- Speed Control (SC) Tests
- SC-1A (Start Here)
- SC-1A Checking Speed Control Operation (CNG)
- SC-1B
- SC-1B Checking Speed Control Brake Switch Output (CNG)
- SC-2A
- SC-2A Checking the Speed Control On/Off Switch (CNG)
- SC-3A
- SC-3A Checking the Brake Switch Sense (CNG)
- SC-4A
- SC-4A Checking the Park/Neutral Position Switch (CNG)
- SC-5A
- SC-5A Checking For Speed Control Denied Message (CNG)
- Transmission Control System
- Diagnostic Test Procedures
- 1 Pre-Diagnostic Checkout
- 2 Entering 41TE/AE Diagnostic Tests
- 3 Conditions Needed to Set Diagnostic Trouble Codes
- 4 Checking For Intermittent Diagnostic Trouble Codes
- 5 Repairing Back-Up Lamp Problems
- 6 Test For Speed Proportional Steering
- 7 Checking For Symptoms and Possible Causes
- 8 No Response
- 12 Battery Was Disconnected
- 14 Relay Output Always ON
- 15 Relay Output Always OFF
- 18 Engine Speed Sensor Circuit
- 19 BUS Communication With Engine Module
- 20 Transmission Control Relay Output
- 21 OD Pressure Switch Circuit
- 22 2-4 Pressure Switch Circuit
- 23 2-4/OD Pressure Switch Circuit
- 24 L-R Pressure Switch Circuit
- 25 L-R/OD Pressure Switch Circuit
- 26 L-R/2-4 Pressure Switch Circuit
- 27 All Pressure Switch Circuits
- 28 Check Shifter Signal
- 29 Throttle Position Signal
- 31 OD Hydraulic Pressure Switch
- 32 2-4 Hydraulic Pressure Switch
- 33 2-4/OD Hydraulic Pressure Switch
- 35 Loss of Prime
- 36 Fault Immediately After A Shift
- 37 Solenoid Switch Valve Latched In TCC Position
- 38 Torque Converter Clutch Control Circuit
- 41 L-R Solenoid Circuit
- 42 2-4 Solenoid Circuit
- 43 OD Solenoid Circuit
- 44 UD Solenoid Circuit
- 46 3-4 Shift Abort
- 47 Solenoid Switch Valve Latched In L-R Position
- 48 TRD Link Communication Error
- 50 Gear Ratio Error In Reverse
- 51 Gear Ratio Error In 1ST
- 52 Gear Ratio Error In 2ND
- 53 Gear Ratio Error In 3RD
- 54 Gear Ratio Error In 4TH
- 56 Input Sensor Error
- 57 Output Sensor Error
- 58 Sensor Ground Error
- 60 Inadequate Element Volume: LR
- 61 Inadequate Element Volume: 2-4
- 62 Inadequate Element Volume: OD
- 70 Autostick Input Circuit
- 71 Manual Shift Overheat
- 73 Worn Out/Burnt Transaxle Fluid
- 76 Power-Up at Speed
- Helpful Information (Help 1-8)
- Diagnostic Test Procedures
- Vehicle Communication Tests
- 1A Bus Failure Messages
- 2A Repairing A DRB Blank Screen
- 3A Ram Error
- 4A Cartridge Failure Error
- 5A Key Pad Failure
- 6A Testing For A Low or High Battery
- 7A Short to Battery Failure
- 7B Short to Battery Failure
- 7C Short to Battery Failure
- 7D Short to Battery Failure
- 7E Short to Battery Failure
- 7F Short to Battery Failure
- 7H Short to Battery Failure
- 8A Short to 5 Volts Failure
- 8B Short to 5 Volts Failure
- 8E Short to 5 Volts Failure
- 8F Short to 5 Volts Failure
- 8G Short to 5 Volts Failure
- 8H Short to 5 Volts Failure
- 8J Short to 5 Volts Failure
- 9A Short to Ground Failure
- 9B Short to Ground Failure
- 10A Bus (+) and Bus (-) Shorted Together Failure
- 11A No Termination Failure
- 11E No Termination Failure
- 12A Bus Bias Level or Bus (+/-) Open Failure
- 12E Bus Bias Level or Bus (+/-) Open Failure
- 12G Bus Bias Level or Bus (+/-) Open Failure
- 13A No Bus Bias Failure
- 13E No Bus Bias Failure
- 14A Not Receiving Bus Messages Correctly Failure
- Windshield Wiper and Washer System
- Verification Tests
- ABS Verification Tests - Antilock 4
- Charging System Verification Tests
- Verification Test SC-VER - Speed Control
- Verification Test VER-1A - Air Bag
- Verification Test VER-1A - Information Bus
- Verification Test VER-1A - No Start Verification Test
- Verification Test VER-1A - Transmission Control System
- Verification Test VER-1B
- Verification Test VER-2A - Road Test Verification
- Verification Test VER-3A - Charging System Verification
- Verification Test VER-4A - Speed Control Verification Test
- Diagnostic Trouble Code Descriptions