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