A L L Diagnostic Trouble Codes ( DTC )
Testing and Inspection- Diagnostic Trouble Code Descriptions
- Manufacturer Code Charts
- Code to Test Chart
- Driveability (DR) Tests
- DR-1A CODE to DR TEST Chart (Checking for Fault Codes)
- DR-2 Repairing "MAP Pneumatic Signal" Fault
- DR-3 Repairing "MAP Pneumatic Change" Fault
- DR-4 Repairing "MAP Voltage Too Low" Fault
- DR-5 Repairing "MAP Voltage Too High" Fault
- DR-6 Repairing "No Vehicle Speed Signal" Fault
- DR-7 Repairing "Oxygen Sensor Signal" Fault
- DR-8 Repairing "Oxygen Sensor Shorted High" Fault
- DR-9 Repairing "Coolant Voltage Low" Fault
- DR-10 Repairing "Coolant Voltage High" Fault
- DR-11 Repairing "Charge Temp Volt Low" Fault
- DR-12 Repairing "Charge Temp Volt Hi" Fault
- DR-13 Repairing "TPS Voltage Low" Fault
- DR-14 Repairing "TPS Voltage High" Fault
- DR-15 Repairing "AIS Motor Circuits" Fault
- DR-16 Repairing "Inj 1 Control CKT" Fault
- DR-17 Repairing "Inj 2 Control CKT" Fault
- DR-18 Repairing "Inj 3 Control CKT" Fault
- DR-19 Repairing "Inj 4 Control CKT" Fault
- DR-20 Repairing "Purge Solenoid CKT" Fault
- DR-21 Repairing "EGR Solenoid Circuit" Fault (California)
- DR-22 Repairing "EGR System Failure" Fault (California)
- DR-23 Repairing "A/C Clutch Relay CKT" Fault
- DR-24 Repairing "Radiator Fan Relay" Fault
- DR-25 Repairing "Z1 Voltage Sense" Fault
- DR-28 Repairing "VNT Solenoid #3 CKT" Fault
- DR-28 Repairing "Wastegate Solenoid" Fault
- DR-30 Repairing "Boost Limit Exceeded" Fault
- DR-32 Repairing "BARO Read Solenoid" Fault
- DR-33 Repairing "EEPROM Write Denied" Fault
- DR-33 Repairing "EMR Miles Not Stored" Fault
- DR-34 Checking Coolant & Throttle Position Sensors
- DR-34 Checking Engine Controller Ground & Power Circuits
- DR-34 Checking Idle Motor Circuits
- DR-34 Checking Knock Sensor Output
- DR-34 Checking MAP Sensor
- DR-34 Checking Park/Neutral Switch Input
- DR-35 Checking Secondary Coil Output & Timing
- DR-36 Checking Fuel Pressure
- DR-37 Checking Fuel Mixture
- DR-38 Repairing "Lean F/A Condition" Fault
- DR-39 Checking Oxygen Sensor Heater
- DR-40 Checking Minimum Air Flow Speed
- DR-41 Other Problems Related to Driveability
- DR-42 Intermittent Test For Relays & Solenoids
- DR-43 Intermittent Test For MAP Pneumatic Change Fault
- DR-44 Intermittent Test For Voltage Sensors
- DR-45 Intermittent Test For Idle Motor Circuits
- DR-46 Intermittent Test For Injector Faults
- Airbag System
- 1 System Function
- 1A System Function
- 1B System Function
- 2 No Response Message on DRBII
- 2A No Response Message on DRBII
- 2B No Response Message on DRBII
- 3 Fault Messages
- 3A Fault Message
- 4 Repair Required For "Safing Sensor Open" Fault
- 4A Repair Required to Replace ASDM
- 5 Required For "Two Front Sensors Open" Fault
- 5A Testing For Two Front Sensors Open Code
- 5B For Two Front Sensors Open Code
- 6 Required For "Squib (Initiator) Open" Fault
- 6A For "Squib (Initiator) Open" Code
- 7 Required For "Squib (Initiator) Short" Fault
- 7A Required For "Squib (Initiator) Short" Code
- 8 Required "Safing Sensor Short" Fault
- 8A Required "Safing Sensor Short" Fault
- 9 Required For "Front Sensor Short" Fault
- 9A For "Front Sensor Short Code
- 9B For "Front Sensor Short Code
- 9C For "Front Sensor Short" Code
- 10 Required For "One Front Sensor Open" Fault
- 10A Required For "One Front Sensor Open" Code
- 11 Required For "Low Stored Energy" Fault
- 11A For "Low Stored Energy" Code
- 11B For "Low Stored Energy" Code
- 12 Required For "Ignition 2 (Run Only) Low" Fault
- 12A For "Ignition 2 (Run) Low" Code
- 12B For "Low Stored Energy Code" Code
- 13 Required For "Warning Lamp Short" Fault
- 13A For "Warning Lamp Open" Code
- 14 Required For "Warning Lamp Open" Fault
- 14A For "Warning Lamp Short" Code
- 15 Required For "Ignition 1 (Run/Start) Low" Fault
- 15A For Ignition 1 (Run/Start) Low" Code
- 15B For "Ignition 1 (Run/Start) Low" Code
- 16 Required For "Diagnostic Module" Fault
- 17 System Check
- Antilock Brakes / Traction Control Systems
- Test 1A - Reading Fault Messages
- Test 2A - CAB Fault Test
- Test 2A - Testing Blank DRB II Message Screen
- Test 3 - Modulator Fault
- Test 3A - DRB "No Response" Message
- Test 4 - Antilock Lamp Fault
- Test 4 - Solenoid Undervoltage
- Test 5 - Antilock Lamp Relay Fault
- Test 5 - System Relay Fault
- Test 6 - Pump/Motor Fault
- Test 6A - CAB Fault
- Test 7 - Antilock Lamp Fault
- Test 7A - Excess Decay Valve Fault
- Test 8 - Antilock Lamp Relay Fault
- Test 8A - Left Front Wheel Speed Sensor Continuity Fault
- Test 9 - Right Rear Wheel Speed Sensor Continuity Fault
- Test 9A - Left Front Wheel Speed Sensor
- Test 10 - Left Rear Wheel Speed Sensor Continuity Fault
- Test 11 - Right Front Wheel Speed Sensor Continuity Fault
- Test 11A - Left Rear Wheel Speed Sensor Fault
- Test 12 - Modulator Fault
- Test 12A - Left Front Wheel Speed Sensor
- Test 13A - Right Rear Wheel Speed Sensor
- Test 13A - Stop Lamp Switch Input Test
- Test 14 - Pump Motor Fault
- Test 14A - Left Rear Wheel Speed Sensor
- Test 15 - Red Brake Warning Lamp Input Test
- Test 15A - Right Front Wheel Speed Sensor
- Test 16A - Left Front Wheel Speed Sensor Fault
- Test 16A - Right Front Wheel Speed Sensor Continuity Fault
- Test 17A - Excess Decay Valve Fault
- Test 17A - Right Front Wheel Speed Sensor
- Test 18 - Red Brake Warning Lamp Input Test
- Test 18A - Right Rear Wheel Speed Sensor Continuity Fault
- Test 19A - Right Rear Wheel Speed Sensor Fault
- Test 19A - Stop Lamp Switch Input Test
- Test 20 - Solenoid Undervoltage Fault
- Test 20A - System Verification Test
- Test 21 - System Relay Fault
- Charging System (CH) Tests
- Speed Control (SP) Tests
- SP-1 Checking DRBII Operation and Reading Faults
- SP-2 Repairing Fault "S/C Servo Solenoids"
- SP-3 Repairing Fault "Vehicle Speed Sensor"
- SP-4 Checking Switch Input
- SP-5 Testing On/Off Switch
- SP-6 Testing On/Off Switch For Minvan,Truck or Q-Body
- SP-7 Testing Resume Switch
- SP-8 Testing Resume Switch For Mini-Van,Truck or "Q" Body
- SP-9 Testing Set Switch
- SP-10 Testing Set Switch For Minivan,Truck or Q-Body
- SP-11 Testing Brake Switch Input
- SP-12 Testing Park/Neutral Switch Input
- SP-13 Checking Servo Power & Ground Circuits
- SP-13 Servo Actuator Test
- SP-14 Speed Control Performance Check
- Verification Tests