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
- 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 O2 Sensor Signal Stays at Center
- 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-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
- 1A Reading System Codes
- 1B "Bus Failure" Message
- 1C Repairing Blank Scan Tool Screen
- 1D Repairing Ram Failure
- 1E Repairing Cartridge Error Failure
- 1F Repairing Key Pad Failure
- 1G Repairing Low/High Battery Failure
- 2A Repairing A Blank Scan Tool Screen
- 2B Repairing A Blank Scan Tool Screen
- 3A Correcting "No Response" Condition
- 3B Correcting "No Response" Condition
- 3C Correcting "No Response" Condition
- 4A Air Bag Module Codes
- 5A Repairing Code Two Front Sensors Open
- 6A Repairing Code Initiator Open
- 7A Repairing Code Initiator Short
- 8A Repairing Code Front Sensor Short
- 9A Repairing Code One Front Sensor Open
- 9B Repairing Code One Front Sensor Open
- 10A Repairing Code Ignition 2 (Run Only) Low
- 10B Repairing Code Ignition 2 (Run Only) Low
- 11A Repairing Code Warning Lamp Open
- 11B Repairing Code Warning Lamp Short
- 12A Repairing Code Ignition 1 (Start/Run) Low
- 12B Repairing Code Ignition 1 (Run/Start) Low
- 13A ASDM Replacement Procedure
- Antilock Brakes / Traction Control Systems
- Antilock 4 (4-Valve Type ABS System)
- 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
- Antilock 6 (6-Valve Type ABS System)
- 1A Reading Fault Messages
- 2A Testing Blank DRB II Message Screen
- 3A DRB "No Response" Message
- 4 Antilock Lamp Fault
- 5 Antilock Lamp Relay Fault
- 6A CAB Fault
- 7A Excess Decay Valve Fault
- 8A Left Front Wheel Speed Sensor Continuity Fault
- 9A Left Front Wheel Speed Sensor
- 10 Left Rear Wheel Speed Sensor Continuity Fault
- 11A Left Rear Wheel Speed Sensor Fault
- 12 Modulator Fault
- 13A Stop Lamp Switch Input Test
- 14 Pump Motor Fault
- 15 Red Brake Warning Lamp Input Test
- 16A Right Front Wheel Speed Sensor Continuity Fault
- 17A Right Front Wheel Speed Sensor
- 18A Right Rear Wheel Speed Sensor Continuity Fault
- 19A Right Rear Wheel Speed Sensor Fault
- 20 Solenoid Undervoltage Fault
- 21 System Relay Fault
- Antilock 4 (4-Valve Type ABS System)
- Charging System (CH) Tests
- CH-1A Charging System No Code Test
- CH-1A Testing Battery
- CH-1B Testing Battery
- CH-2A Repair Fault Alt Field Not Switching Properly
- CH-2B Repair Fault Alt Field Not Switching Properly
- CH-2C Repair Checking Field Control For Shorts
- CH-3A Repair Fault Charge System Voltage Too Low
- CH-4A Repair Fault Charge System Voltage Too High
- CH-4B Checking Engine Controller Regulating Circuit
- CH-5 Check the Charging System With No Fault Messages
- Speed Control (SC) Tests
- Speed Control (SP) Tests
- SP-1A Reading Fault Codes
- SP-2A Servo Power/ Ground Open Circuit Test
- SP-2B Speed Control Vacuum Solenoid Control Test
- SP-2C Speed Control Vent Solenoid Circuit Test
- SP-3A "No Vehicle Speed Signal" Fault Test
- SP-3B "No Vehicle Speed Signal" Fault Test
- SP-3C "No Vehicle Speed Signal" Fault Test
- SP-4A Speed Control Switches Test
- SP-5A Speed Control Switches Test
- SP-5B Speed Control Switch Circuit Short Test
- SP-5C Switch Short to Ground Test
- SP-5D Switch Circuit Open Test
- SP-6A Speed Control Resume Switch Test
- SP-6B Speed Control Resume Switch Test
- SP-7A Speed Control Set Switch Circuit Test
- SP-7B Speed Control Set Switch Circuit Test
- SP-8A Speed Control Set Switch Circuit Test
- SP-9A Speed Control Switch Circuit Test
- SP-9B Clockspring Circuit Short Test
- SP-9C Testing Clockspring Circuit For Open
- SP-10A Speed Control Switch Circuit Short Test
- SP-11A Brake Switch Circuit Open Test
- SP-11B Brake Switch Circuit Short Test
- SP-12A Speed Control Servo Operation Test
- SP-12B Vacuum to Servo Test
- SP-13A Park/Neutral Safety Switch Test
- SP-14A Checking For Intermittent Faults
- Verification Tests
- ABS Verification Tests - Antilock 4
- ABS Verification Tests - Antilock 6
- Charging System Verification Tests
- Verification Test VER-1A - Air Bag
- Verification Test VER-1A - No Start Verification Test
- 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