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
- Automatic Door Lock System
- Body Control Module
- Symptom Identification (Start Here)
- Compass/Temperature Module
- Courtesy Lamp System
- Electronic Instument Cluster
- 35 Electronic Cluster Diagnosis
- 36 Fault Messages
- 37 Identifying Problems Not Covered By A Fault Code
- 38 Identifying Faulty Gauge
- 39 Fuel Gauge Not Operating Correctly
- 40 Coolant Gauge Not Operating Correctly
- 41 Oil Pressure Gauge Not Operating Correctly
- 42 Determin. Which Warn. Lamp Is Not Operating Correctly
- 43 Check Engine Lamp Is Not Operating Correctly
- 44 Brake Light Is Not Operating Correctly
- 45 Repairing Illumination
- 46 Repairing Illumination
- Headlamp System
- Illuminated Entry System
- Intermittent Wiper System
- Vehicle Theft Alarm
- 47 Diagnosing Vehicle Theft Alarm Module
- 48 Diagnosing Vehicle Theft Alarm Module
- 49 Diagnosing Vehicle Theft Alarm Module
- 50 Theft Alarm Indicator Out
- 51 Diagnosing Vehicle Theft Alarm Module
- 52 Diagnosing Trunk Key Cylinder Switch
- 53 Driver's Door Ajar Switch Test
- 54 Passenger's Door Ajar Switch Test
- 55 Diagnosing Short to Ground on Door Ajar Circuit
- 56 Hood Ajar Switch Test
- 57 Power Door Lock Test
- 58 Power Door Unlock Test
- 59 Driver's Door Cylinder Key Switch Test
- 60 Passenger's Door Cylinder Key Switch Test
- 61 Ignition Sense Test
- 62 Diagnosing Short to Ground Driver's Door Ajar Circuit
- 63 Diagnosing Short to Ground Pass. Door Ajar Circuit
- 64 Door Key Cylinder Shorted to Ground Switch Test
- Charging System (CH) Tests
- EVIC Panel Monitor
- 2 Repairing Blank Message Screen on EVIC Panel
- 3 Warning Messages
- 4 Brake Lamp Out
- 5 Right Inner Brake Lamp Out
- 6 Right Outer Brake Lamp Out
- 7 Left Inner Brake Lamp Out
- 8 Left Outer Brake Lamp Out
- 9 Coolant Level Low
- 10 Left Front Door Ajar
- 11 Engine Oil Level Low
- 12 Engine Temp High or Engine Temp Critical
- 13 Exterior Lights on
- 14 Fasten Seat Belts
- 15 Right Headlamp Out
- 16 Key In Ignition
- 17 Low Brake Fluid
- 18 Low Fuel Level
- 19 Low Oil Pressure
- 20 Headlamps Out Message But Headlamps Operate
- 21 Park Brake Engage
- 22 Passenger Door Ajar
- 23 Taillamp Out
- 24 Right Taillamp Out
- 25 Left Taillamp Out
- 26 Trunk/Hatch Ajar
- 27 Washer Fluid Low
- 28 Turn Signal On
- 29 No Message on EVIC Head Monitor
- 30 One Headlamp Out With No Message
- 31 All Brake Lamps Out
- 32 Right Side or Left Side Brake Lamps Out
- 33 All Taillamps Out
- 34 EVIC Head Monitor Switch Test
- Heating and Air Conditioning
- Information Bus
- 92 Repairing DRBII For Proper Operation
- 93 Repairing DRBII Failures
- 94 Checking For CCD Bus Failure Messages Using DRBII
- 95 Repair Bus System For Short to Battery
- 96 Repair Bus System For Short to 5 Volts
- 97 Repair Bus System For Short to Ground
- 98 Repair Bus Sys. For Bus + & - Bus Shorted Together
- 99 Testing Bus System For A No Response Message
- 100 Checking For No Response at Body Controller
- 101 Checking For No Response From Electronic Cluster
- 102 Checking For No Response From Engine Node
- 103 Checking For No Response From EVIC Panel/Traveler
- 104 Checking For No Response From Vehicle Theft Alarm
- 105 Checking For No Response From Engine Controller
- 106 Repair Bus Not Receiving Bus Messages Correctly
- 107 Checking Engine Controller For Open Bus Message
- 108 Repairing Bus System For No Termination Message
- 109 Repairing Bus For Bias Level Too High or Too Low
- 110 Repairing Bus For Bus Level Too High or Too Low
- 111 Checking For No Response From Compass/Temp Module
- 112 Headlamps Will Not Turn Off
- 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
- Traveler System
- Test 82 Diagnosing the Traveler System
- Test 83 Repair No Response or Blank Traveler Screen
- Test 84 Checking For and Repairing Fault Messages
- Test 85 Testing Traveler Buttons and Segments
- Test 86 Testing Economy Function on Traveler
- Test 87 Repairing Distance to Empty Function
- Test 88 Repairing Elapsed Time Function
- Verification Tests