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
- Detailed Descriptions
- Antilock Brakes / Traction Control Systems
- Cruise Control
- Restraint Systems
- Diagnostic Module #1, 2 or 3
- Front Sensor Short
- Ignition 2 (Run Only) Low
- Initiator (Squib) Open
- Initiator (Squib) Shorted
- Intermittant Codes or Code Set But Problem Not Present
- Low Stored Energy
- One Front Sensor Open
- Safing Sensor Open or Shorted
- Two Front Sensors Circuit Open
- Warning Lamp Circuit Shorted or Open
- Manufacturer Code Charts
- Code to Test Chart
- Trouble Code (TC) Tests
- Driveability (DR) Tests
- DR-1A CODE to DR TEST Chart (Checking for Fault Codes)
- DR-2A "Slow Change In Idle MAP Signal"
- DR-3A Repairing "No Change In MAP From Start to Run" Fault
- DR-4A Repairing "MAP Sensor Voltage Too Low" Fault
- DR-5A Repairing MAP "Sensor Voltage Too High" Fault
- DR-6A "No Vehicle Speed Signal"
- DR-7A Repairing "O2 Sensor Signal Stays at Center" Fault
- DR-8A Repairing "O2 Sensor Shorted to Voltage" Fault
- DR-9A Checking "O2 Sensor Stays Above Center" Fault
- DR-10A Checking "O2 Sensor Stays Below Center" Fault
- DR-11A Repairing "Coolant Sensor Voltage Too High" Fault
- DR-12A Repairing "Coolant Sensor Voltage Too Low" Fault
- DR-15A Repairing "TPS Voltage High" Fault
- DR-16A Repairing "TPS Voltage Low" Fault
- DR-17A Repairing "Auto Idle Speed Motor Circuits" Fault
- DR-18A Repairing "Purge Solenoid Circuit" Fault
- DR-25A Repairing "A/C Clutch Relay Circuit" Fault
- DR-26A Repairing "Radiator Fan Circuit" Fault
- DR-27A Repairing "No ASD Relay Sense" Fault
- DR-28A Repairing "Torque Converter Lockup SOL CKT" Fault
- DR-30A Repairing" Injector Control Circuit" Fault
- DR-31A Repairing "EMR Miles Not Stored" or "Write Denied" Fault
- DR-32A Intermittent Test For Voltage Sensor
- DR-32B Intermittent Test For MAP Sensor Signal Change
- DR-33A Intermittent Test For Automatic Idle Speed Motor
- DR-34A Intermittent Test For Relays & Solenoids
- Airbag System
- 1A Reading System Codes
- 2A Repairing A Blank Scan Tool Screen
- 2B Repairing A Blank Scan Tool Screen
- 3A Correcting "No Response" Condition
- 3B Correcting "No Response" Condition
- 4A Verification of Repair Test
- 5A Air Bag Module Codes
- 6A Repairing Code Front Sensor Short
- 6B Repairing Code Front Sensor Short
- 6C Repairing Code Front Sensor Short
- 7A Repairing Code Ignition 1 (Start/Run) Low
- 7B Repairing Code Ignition 1 (Start/Run) Low
- 8A Repairing Code Ignition 2 (Run Only) Low
- 8B Repairing Code Ignition 2 (Run Only) Low
- 9A Repairing Code Initiator (Squib) Open
- 10A Repairing Code Initiator (Squib) Short
- 11A Low Stored Energy
- 11B Low Stored Energy
- 12A One Front Sensor Open
- 12B One Front Sensor Open
- 13A ASDM Replacement Procedure
- 14A Two Front Sensors Open
- 14B Two Front Sensors Open
- 14C Two Front Sensors Open
- 15A Warning Lamp Open
- 16A Warning Lamp Short
- Antilock Brakes / Traction Control Systems
- Test 1A - Reading Fault Messages
- Test 2A - Testing Blank DRB II Message Screen
- Test 3A - DRB "No Response" Message
- Test 4 - Antilock Lamp Fault
- Test 5 - Antilock Lamp Relay Fault
- Test 6 - Boost Pressure Fault
- Test 7A - CAB Fault
- Test 8A - Excess Decay
- Test 9 - Hydraulic Pressure Performance Test
- Test 10 - Hydraulic Pump/Motor Circuit Test
- Test 11A - Left Front Wheel Speed Sensor Continuity Fault
- Test 12A - Left Front Wheel Speed Sensor
- Test 13 - Left Rear Wheel Speed Sensor Continuity Fault
- Test 14A - Left Rear Wheel Speed Sensor
- Test 15A - Low Accumulator Fault
- Test 16 - Low Fluid/Parking Brake Fault
- Test 17 - Modulator Fault
- Test 18 - Primary Pressure/Delta Pressure Fault
- Test 19A - Right Front Wheel Speed Sensor Continuity Fault
- Test 20A - Right Front Wheel Speed Sensor
- Test 21 - Right Rear Wheel Speed Sensor Continuity Fault
- Test 22A - Right Rear Wheel Speed Sensor
- Test 23 - Solenoid Undervoltage Fault
- Test 24A - Stop Lamp Switch Input Test
- Test 25 - System Relay Fault
- Test 26 - Hard Pedal or Clicking Noises
- Test 27A - Complaint of Noisy Pump Motor
- Test 28A - Complaint of Scraping/Whirring Noise
- Automatic Door Lock System
- Body Control Module
- Symptom Identification (Start Here)
- Courtesy Lamp System
- 10A Diagnosing Left Pod Switch and Power Supply
- 10B Checking Power and Ground Supply
- 10C Checking Wiring and Body Controller For Shorts
- 11A Checking BCM and Wiring For Shorts to Ground
- 12A Checking L/F Door Jamb Switch & Wiring For Open
- 12B Checking Ground Supply and Diode Assembly For Open
- 13A Checking R/F Door Jamb Switch & Wiring For Open
- 14A Checking Side Door Jamb Switch & Wiring For Open
- 15A Checking For Left Pod Switch and Open Ground
- 16A Repairing Faulty Rear Dome and Liftgate Lamps
- 16B Checking Liftgate Latch Switch & Wiring For Shorts
- 16C Checking Liftgate Latch Switch & Wiring For Open
- 17A Checking Diode Assembly & Liftgate Lamps Wiring
- Door Ajar System
- Electro/Mechanical Instrument Cluster
- 29A Electro/Mechanical Instrument Cluster Diagnostics
- 30A Identifying Faulty Gauge Electro/Mech Inst Cluster
- 30B Repairing Faulty Gauge Electro/Mech Inst Cluster
- 30C Repairing Faulty Cluster ID Electro/Mech Inst Clustr
- 31A Electro/Mechanical Inst Cluster Odometer Failure
- 32A Identifying Faulty Warning Lamp on Premium Elec/Mech
- 32B Identifying Faulty Warning Lamp on Base Electro/Mech
- 32C Repairing Faulty Warning Lamp Condition
- 33A Repairing Door Ajar Warning Lamp
- 34A Repairing Voltage Gauge or Voltage Lamp Problem
- Electronic Instument Cluster
- 22A Electronic Instrument Cluster Diagnostics
- 22B Repairing Elec Inst Cluster Power Up Upon Entry
- 23A Electronic Instrument Cluster Fault Codes
- 24A Elec Cluster Problem Not Identified By A Fault Code
- 24B Electronic Instrument Cluster Odometer Failure
- 24C Electronic Instrument Cluster Switch Test
- 25A Identifying Faulty Gauge
- 26A Repairing Temperature Gauge Problems
- 27A Identifying Faulty Warning Indicator
- 28A Elec Cluster or Compass/Mini-Trip Illumination Test
- 28B Elec Cluster or Compass/Mini-Trip Illumination Test
- 28C Elec Cluster or Compass/Mini-Trip Illumination Test
- 28D Elec Cluster or Compass/Mini-Trip Illumination Test
- 28E Elec Cluster or Compass/Mini-Trip Illumination Test
- 28F Elec Cluster or Compass/Mini-Trip Illumination Test
- 28G Elec Cluster or Compass/Mini-Trip Illumination Test
- Engine Temperature Sending Unit
- Fuel Level Sending Unit
- Headlamp Time Delay System
- Illuminated Entry System
- Intermittent Wiper System
- Key-In Lamp System
- Liftgate Release
- Oil Pressure Sending Unit
- Seat Belt Lamp
- Washer Fluid Level Switch
- Charging System (CH) Tests
- 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-5A Check For Intermittent Problems
- Chime System
- Compass/Mini-Trip Computer
- 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
- SP-15A Reading Faults
- SP-16A Speed Control Power Relay Fault Test
- SP-17A Speed Control Solenoid Fault Test
- SP-17B Speed Control Vacuum Solenoid Test
- SP-17C Speed Control Vent Solenoid Test
- SP-18A No Vehicle Speed Signal Fault Test
- SP-19A Speed Control Switches Test
- SP-20A Speed Control Switch Output Test
- SP-21A Brake Switch Circuit Open Test
- SP-21B Brake Switch Circuit Short Test
- SP-22A Park/Neutral Safety Switch Test
- Vehicle Communication Tests
- 78A Bus Failure Messages For AS Body Systems
- 79A Testing For Short to Battery on the Bus
- 79B Testing For Short to Battery on the Bus
- 79C Testing For Short to Battery on the Bus
- 80A Testing For Short to 5-Volts on the Bus
- 81A Testing For Short to Ground on the Bus
- 82A Testing For Bus(+) & Bus(-) Shorted Together
- 83A Testing For No Termination on the Bus
- 84A Testing For Bus Bias Level Too Low on the Bus
- 84B Testing For Bus Bias Level Too Low on the Bus
- 85A Testing For Bus Bias Level Too High on the Bus
- 85B Testing For Bus Bias Level Too High on the Bus
- 86A Testing For No Bus Bias on the Bus
- 87A Testing For Bus(+) Open on the Bus
- 88A Testing For Bus(-) Open on the Bus
- 89A Testing For Bus(+) & Bus(-) Open on the Bus
- 90A Testing For Not Receiving Bus Messages Correctly
- 91A No Response Messages For AS Body Systems
- 92A Testing the Elec Instrument Cluster No Response
- 92B Testing the Elec Instrument Cluster No Response
- 93A Testing the Compass/Mini-Trip Module No Response
- 94A Testing the Body Controller For No Response
- 94B Testing the Body Controller For No Response
- 95A Testing the Engine Controller For No Response
- Verification Tests
- Diagnostic Trouble Code Descriptions