A L L Diagnostic Trouble Codes ( DTC )
Testing and Inspection
- Diagnostic Trouble Code Descriptions
- Code to Test Chart
- 2 and 3 Digit Codes
- Scan Tool Text Codes
- A/C Clutch Relay Circuit
- A/C Pressure Sensor Volts Too High
- Auto Shutdown (ASD) Relay Control Circuit
- Battery Temp Sensor Voltage Out of Limit
- Charging System Voltage Too High
- Charging System Voltage Too Low
- ECT Sensor Voltage Too High
- ECT Sensor Voltage Too Low
- EGR Solenoid Circuit
- EGR System Failure
- Engine Is Cold Too Long
- EVAP Purge Solenoid Circuit
- 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
- Introduction
- 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 SYNC Signal at PCM
- No CCD Message From Body Control Module
- No Change In MAP From Start to Run
- No Crank Reference Signal at PCM
- No Vehicle Speed Sensor Signal
- O2S Shorted to Voltage
- O2S Stays Above Center (Rich)
- O2S Stays at Center
- O2S Stays Below Center (Lean)
- PCM Failure SPI Communications
- Radiator Fan Relay Control Circuit
- Slow Change In Idle MAP Sensor Signal
- Speed Control Solenoid Circuits
- Throttle Position Sensor Voltage High
- Throttle Position Sensor Voltage Low
- Detailed Descriptions
- Information Bus
- Restraint Systems
- Air Bag Systems
- Diagnostic Module #1
- Diagnostic Module #2
- Diagnostic Module #3
- Front Sensor Short
- Ignition 1 (Run/Start) Low
- Ignition 2 (Run Only) Low
- Initiator (Squib) Open
- Initiator (Squib) Shorted
- Low Stored Energy
- One Front Sensor Open
- Safing Sensor Open
- Safing Sensor Shorted
- Two Front Sensors Circuit Open
- Warning Lamp Circuit Shorted or Open
- Seat Belt Systems
- Air Bag Systems
- Manufacturer Code Charts
- Diagnostic Notes (Read Before Proceding)
- Code to Test Chart
- Trouble Code (TC) Tests
- TC-1A CODE TO TC TEST CHART (Checking For Trouble Codes)
- TC-2A No Crank Reference Signal at PCM
- TC-2B No Crank Reference Signal at PCM
- TC-2C No Crank Reference Signal at PCM
- TC-2D No Crank Reference Signal at PCM
- TC-3A No Cam Signal at PCM
- TC-4A MAP Sensor Voltage Too Low
- TC-5A MAP Sensor Voltage Too High
- TC-6A Slow Change In Idle MAP or No Change From Start to Run
- TC-7A Code 15 No Vehicle Speed Sensor Signal
- TC-7A O2 Sensor Signal Stays at Center
- TC-7B Code 15 No Vehicle Speed Sensor Signal
- TC-7C Code 15 No Vehicle Speed Sensor Signal
- TC-7D Code 15 No Vehicle Speed Sensor Signal
- TC-8A O2 Sensor Signal Above Center (Rich)
- TC-9A O2 Sensor Signal Below Center (Lean)
- TC-10A O2 Sensor Signal Shorted to Voltage
- TC-11A No Vehicle Speed Sensor Signal
- TC-11B No Vehicle Speed Sensor Signal
- TC-11C No Vehicle Speed Sensor Signal
- TC-11D No Vehicle Speed Sensor Signal
- TC-11E No Vehicle Speed Sensor Signal
- TC-12A Idle Air Control Motor Circuits
- TC-12B Idle Air Control Motor Circuits
- TC-12C Idle Air Control Motor Circuits
- TC-12D Idle Air Control Motor Circuits
- TC-12E Idle Air Control Motor Circuits
- TC-13A Injector Control Circuit
- TC-13B Injector Control Circuit
- TC-13C Injector #1 Control Circuit
- TC-17A EGR System Failure
- TC-18A EGR Solenoid Circuit
- TC-19A EVAP Solenoid Circuit
- TC-20A Torque Converter Clutch Solenoid
- TC-21A Throttle Position Sensor Voltage Low
- TC-22A TPS Voltage High
- TC-23A Throttle Body Temperature Sensor Voltage Low
- TC-24A Throttle Body Temperature Sensor Voltage High
- TC-25A ECT Sensor Voltage Too High
- TC-26A ECT Sensor Voltage Too High
- TC-27A No ASD Relay Output Voltage at PCM
- TC-28A ASD Relay Control Circuit
- TC-29A Low Speed Fan Control Relay Circuit
- TC-30A RAD Fan Control Relay Circuit
- TC-31A High Speed Fan Control Relay Circuit
- TC-32A A/C Clutch Relay Circuit
- TC-33A Flex Fuel Sensor Volts Too High
- TC-34A Flex Fuel Sensor Volts Too Low
- TC-35A Loss of Flex Fuel Calibration Signal
- TC-36A PCM Failure SRI Mile Not Stored/EEPROM Write Denied
- TC-37A Battery Temperature Sensor Volts Outside Limits
- TC-37A Code 34 Speed Control Solenoid Circuits
- TC-37B Code 34 Speed Control Solenoid Circuits
- TC-37C Code 34 Speed Control Solenoid Circuits
- TC-38A Charging System Voltage Too Low
- TC-39A Charging System Voltage Too High
- TC-39B Charging System Voltage Too High
- TC-40A Generator Field Not Switching Properly
- TC-40B Generator Field Not Switching Properly
- TC-41A Speed Control Solenoid Circuits
- TC-41B Speed Control Solenoid Circuits
- TC-41C Speed Control Solenoid Circuits
- Airbag System
- About These Tests
- 1A Testing System Function
- 2A Repairing A Blank Scan Tool Screen
- 2B Repairing A Blank DRB Screen
- 3A Repairing A "No Response" From the ASDM
- 3B Repairing A "No Response" From the ASDM
- 3C Repairing A "No Response" From the ASDM
- 4A Identifying Air Bag Module Diagnostic Trouble Codes
- 5A Repairing Two Front Sensors Open
- 6A Repairing Initiator (Squib) Open
- 7A Repairing Initiator (Squib) Short
- 8A Repairing Front Sensor Short
- 9A Repairing One Front Sensor Open
- 9B Repairing One Front Sensor Open
- 10A Repairing Ignition 2 (Run Only) Low
- 10B Repairing Ignition 2 (Run Only) Low
- 11A Repairing Air Bag Warning Lamp Circuit
- 11B Repairing Air Bag Warning Lamp Circuit
- 12A Repairing Ignition 1 (Run/Start) Low
- 12B Repairing Ignition 1 (Run/Start) Low
- 13A ASDM Replacement Procedure
- 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
- Charging System (CH) Tests
- Information Bus
- Seat Belt Systems
- 1A Testing System Function
- 2A Repairing A Blank DRB Screen
- 3A Repairing A "No Response" From the PBCM
- 4A Identifying Passive Belt Control Trouble Codes
- 5A Repairing Seat Belt Switch Sense Circuit For Short
- 6A Repairing Passenger Seat Belt Sense Circuit For Open
- 7A Repairing Seat Belt Lamp Driver Circuit
- 8A Repairing Lamp Failure
- 9A Repairing Vehicle Speed Sensor Signal Circuit Input
- 10A Repairing Passenger Side Time Limit Exceeded
- 11A Repairing Passenger A & B Pillar Switch Open
- 12A Repairing Carrier Not Seen at Passenger A Pillar
- 13A Repairing Carrier Not Seen at Passenger B Pillar
- 14A Repairing Right Front Door Jamb Switch Sense Circuit
- Speed Control (SC) Tests
- SC-1A Checking Speed Control Operation
- SC-1A Speed Control Operation Inspection
- SC-1B Checking Speed Control Brake Switch Output
- SC-1B Speed Control Operation Inspection
- SC-2A Checking Speed Control ON/OFF Switch
- SC-2A Speed Control Switch Signal Circuit Inspection
- SC-3A Brake Switch Sense Inspection
- SC-3A Checking the Brake Switch Sense
- SC-4A Checking Park/Neutral Position Switch
- SC-4A Checking the Park/Neutral Position Switch
- SC-5A Checking For a Speed Control Denied Message
- 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
- 7H Short to Battery Failure
- 8A Short to 5 Volts Failure
- 8B 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
- 11H No Termination Failure
- 12A Bus Bias Level or Bus (+/-) Open Failure
- 12G Bus Bias Level or Bus (+/-) Open Failure
- 12H Bus Bias Level or Bus (+/-) Open Failure
- 13A No Bus Bias Failure
- 13H No Bus Bias Failure
- 14A Not Receiving Bus Messages Correctly Failure
- Verification Tests
- ABS Verification Tests - Antilock 4
- Charging System Verification Tests
- Verification Test VER-1A - Air Bag
- Verification Test VER-1A - Information Bus
- Verification Test VER-1A - No Start Verification Test
- Verification Test VER-1A - Passive Belt System
- Verification Test VER-1B - Air Bag
- Verification Test VER-2A - Road Test Verification
- Verification Test VER-3A - Road Test For Trouble Codes
- Verification Test VER-4A - Speed Control Verification Test
- Diagnostic Trouble Code Descriptions