A L L Diagnostic Trouble Codes ( DTC )
Testing and Inspection- Diagnostic Trouble Code Descriptions
- If You Cannot Find the Code by Number
- FD or Undocumented Codes
- Trouble Code Types and Reset Counter
- Code to Test Chart
- P Codes
- Hex Codes
- Detailed Descriptions
- Trouble Code Descriptions
- Antilock Brakes / Traction Control Systems
- By Diagnostic Trouble Code (DTC) Number
- DTC 21 Right Front Sensor Open
- DTC 22 No Signal From Right Front Sensor
- DTC 23 Intermittent Signal From Right Front Sensor
- DTC 25 Left Front Sensor Open
- DTC 26 No Signal From Left Front Sensor
- DTC 27 Intermittent Signal From Left Front Sensor
- DTC 35 Rear Sensor Open
- DTC 36 No Signal From Rear Sensor
- DTC 37 Intermittent Signal From Rear Sensor
- DTC 38 Wheel Speed Mismatch
- DTC 41 - 48 (EBC 2 & 325, 51, 52, 53, 54 EBC 325 Int. Cab)
- DTC 51 Reat Isolation Solenoid Open - EBC 2
- DTC 52 Rear Dump Solenoid Open - EBC 2
- DTC 53 Isolation Solenoid Shorted - EBC 2
- DTC 54 Rear Dump Solenoid Shorted - EBC 2
- DTC 63 Rear Reset Switch Closed
- DTC 65 - 66 Internal Main Relay
- DTC 67 - 68 Pump Motor Fault
- DTC 69 Excessive Dump Time
- DTC 71 Ram Read/Write
- DTC 72 ROM Checksum
- DTC 73 Watchdog
- DTC 74 System Control Mode Timeout
- DTC 78 Foundation Brake
- DTC 81 Brake Switch Circuit
- DTC 82 Number of Tone Ring Teeth Out of Range
- By Fault Message
- Brake Switch Circuit
- Excessive Dump Time
- Foundation Brake
- Intermittent Signal From Left Front Sensor
- Intermittent Signal From Rear Sensor
- Intermittent Signal From Right Front Sensor
- Internal Cab Fault
- Internal Main Relay
- Isolation Solenoid Shorted - EBC 2
- Left Front Sensor Open
- No Signal From Left Front Sensor
- No Signal From Rear Sensor
- No Signal From Right Front Sensor
- Number of Tone Ring Teeth Out of Range
- Pump Motor Fault
- RAM Read/Write
- Rear Dump Solenoid Open - EBC 2
- Rear Dump Solenoid Shorted - EBC 2
- Rear Reset Switch Closed
- Rear Sensor Open
- Reat Isolation Solenoid Open - EBC 2
- Right Front Sensor Open
- ROM Checksum
- System Control Mode Timeout
- Watchdog
- Wheel Speed Mismatch
- By Diagnostic Trouble Code (DTC) Number
- Instrument Cluster
- Antilock Brakes / Traction Control Systems
- By Manufacturer's Code Number
- By Code Description
- A/C Clutch Relay CKT
- Auto Shutdown Relay Control Circuit
- Battery Temp Sensor Voltage Too Low/Too High
- Catalyst Efficiency Failure
- Charging System Voltage Too High
- Charging System Voltage Too Low
- Closed Loop Temp Not Reached
- Cylinder #1 - #10 Misfire
- ECT Sensor Voltage Too High
- ECT Sensor Voltage Too Low
- EGR Solenoid CKT
- EGR System Failure
- EVAP Leak Monitor Large Leak Detected
- EVAP Leak Monitor Pinched Hose
- EVAP Leak Monitor Small Leak Detected
- EVAP Purge Flow Monitor Failure
- EVAP Purge Solenoid CKT
- Fuel Level Sending Unit Volts Too High
- Fuel Level Sending Unit Volts Too Low
- Fuel Level Unit No Change Over Miles
- Fuel Pump Relay Control Circuit
- Fuel System Lean
- Fuel System Rich
- Generator Field Not Switching Properly
- Governor Press Sensor Offset Too Low or High
- Governor Pressure Solenoid/Trans Relay CKTS
- Idle Air Control Motor Circuit
- Ignition Coil Primary Circuit
- Injector Control Circuit
- Intake Air Temp Sensor Voltage High
- Intake Air Temp Sensor Voltage Low
- Intermittent Loss of CMP or CKP
- Leak Detection Pump Solenoid Circuit
- Leak Detection Pump SW or Mechanical Fault
- Low Output Speed Sensor RPM, Above 15 MPH
- MAP Sensor Voltage Too High
- MAP Sensor Voltage Too Low
- Mis-Fire Adaptive Numerator at Limit
- Multiple Cylinder Mis-Fire
- No ASD Relay Output Voltage at PCM
- No Cam Signal at PCM
- No Change In MAP From Start to Run
- No Crank Reference Signal at PCM
- No Vehicle Speed Sensor Signal
- O/D Switch Rationality
- O2 Sensor Heater Failure
- O2 Sensor Shorted to Ground
- O2 Sensor Shorted to Voltage
- O2 Sensor Slow Response
- Park/Neutral Switch Failure (Sense Circuit)
- Power Steering Switch Failure
- RAD Fan Control Relay CKT
- Slow O2 Sensor During Catalyst Monitor
- Speed Control Power Relay Circuit
- Speed Control Solenoid CKT
- Speed Control Switches
- Target Idle Not Reached
- Throttle Position Sensor Voltage High
- Throttle Position Sensor Voltage Low
- Torque Converter Clutch Solenoid Circuit
- Torque Converter Clutch Solenoid/Trans Relay CKT
- TPS Voltage Does Not Agree With MAP
- Trans Temp Sensor, No Rise After Start
- Trans 12 Volt Supply Relay Control Circuit
- 3-4 Shift Solenoid, No RPM Drop @ 3-4 Shift
- Trouble Code Descriptions
- P Code Charts
- All Other P Codes
- P0112
- P0113
- P0117
- P0118
- P0121
- P0122
- P0123
- P0125
- P0168
- P0177
- P0178
- P0181
- P0215
- P0216
- P0217
- P0219
- P0222
- P0223
- P0230
- P0232
- P0234
- P0236
- P0237
- P0238
- P0251
- P0253
- P0254
- P0300
- P0301
- P0302
- P0303
- P0304
- P0305
- P0306
- P0320
- P0336
- P0341
- P0370
- P0380
- P0381
- P0382
- P0387
- P0388
- P0460
- P0462
- P0463
- P0500
- P0522
- P0523
- P0524
- P0545
- P0562
- P0563
- P0602
- P0606
- P0622
- P0700
- P0711
- P0712
- P0713
- P0720
- P0743
- P0748
- P0751
- P0753
- P1110
- P1283
- P1284
- P1285
- P1286
- P1287
- P1291
- P1295
- P1388
- P1389
- P1475
- P1488
- P1492
- P1493
- P1594
- P1595
- P1597
- P1682
- P1683
- P1688
- P1689
- P1690
- P1691
- P1693
- P1694
- P1698
- P1740
- P1756
- P1757
- P1762
- P1763
- P1764
- P1765
- P1899
- Manufacturer Code Charts
- Airbag System
- 1A Identifying Vehicle Equipment and System Problems
- 2A Repairing Cluster Message Mismatch
- 3A Repairing Driver Squib Circuit Open
- 4A Repairing Driver Squib Circuit Shorted
- 5A Repairing Driver Squib Circuit Shorted to Battery
- 6A Repairing Driver Squib Circuit Shorted to Ground.
- 7A Repairing Loss of Ignition Run (Only)
- 8A Repairing Loss of Ignition Run/Start
- 9A Repairing No Cluster CCD Message
- 10A Repairing No CCD Communication
- 11A Repairing Missing or Invalid VIN Message
- 12A Repairing Passenger Squib Circuit Open
- 13A Repairing Passenger Squib Circuit Shorted
- 14A Repairing Passenger Squib Circuit Shorted to Battery
- 15A Repairing Passenger Squib Shorted to Ground
- 16A Repairing Seat Belt Control Timer Module
- 17A Repairing SCTM Message Mismatch
- 18A Repairing VIN Message Mismatch
- 19A Repairing Warning Lamp Circuit Open/Shorted
- 20A Repairing Pass Airbag Disable Switch
- 21A Repairing Stored Trouble Codes
- 22A Airbag Control Module Replacement Procedures
- Antilock Brakes / Traction Control Systems
- Test 1A - Checking For Diagnostic Trouble Codes
- Test 2A - Right Front Sensor Open (Code 21)
- Test 3A - No Signal From Right Front Sensor (Code 22)
- Test 4A - Intermittent Signal From Right Front Sensor (Code 23)
- Test 5A - Left Front Sensor Open (Code 25)
- Test 6A - No Signal From Left Front Sensor (Code 26)
- Test 7A - Intermittent Signal From Left Front Sensor (Code 27)
- Test 8A - Rear Sensor Open (Code 35)
- Test 9A - No Signal From Rear Sensor (Code 36)
- Test 10A - Intermittent Signal From Rear Sensor (Code 37)
- Test 11A - Wheel Speed Mismatch (Code 38)
- Test 12A - CAB Fault
- Test 12B - Rear Isolation Solenoid Open - EBC 2 (Code 51)
- Test 12C - Rear Dump Solenoid Open - EBC 2 (Code 52)
- Test 12D - Isolation Solenoid Shorted - EBC 2 (Code 53)
- Test 12E - Rear Dump Solenoid Shorted - EBC 2 (Code 54)
- Test 13A - Rear Reset Switch Closed (Code 63)
- Test 14A - Internal Main Relay (Code 65/66)
- Test 15A - Pump Motor Fault (Code 67/68)
- Test 16A - Excessive Dump Time (Code 69)
- Test 17A - System Control Mode Timeout (Code 74)
- Test 18A - Foundation Brake (Code 78)
- Test 19A - Brake Switch Circuit (Code 81)
- Test 20A - Number of Tone Ring Teeth Out of Range (Code 82)
- Test 21A - Tire Revolutions Per Mile Out of Range (Code 83)
- Test 22A - Mismatched VIN (Code 84)
- Test 24A - 4WD Sense Circuit
- Test 25A - DRB "No Response" Message
- Test 26A - No Vehicle Speed Signal Output
- Test 27A - Wheel Speed Sensor Harness Visual Inspection
- Test 28A - CAB Failure Verification Test
- Test 29A - Replacing the CAB
- Test 30A - RAM Read/Write, ROM Checksum, Watchdog (71/72/73)
- Body Control Module
- Charging System (CH) Tests
- Chime System
- 1A Identifying Chime System Problems
- 2A Repairing Chime Sounds With Left Door Open
- 2B Continued Repairing Chime Sounds With Left Door Open
- 3A Chime Inoperative With Headlamps on
- 4A Repairing Chime Inoperative W/Key In Ignition
- 5A Repairing Chime Inoperative W/Low Oil Pressure
- 6A repairing Chime Inoperative With Engine Temp Critical
- Instrument Cluster
- 1A Identifying Instrument Cluster Problems
- 2A Repairing All Gauges Inoperative
- 3A Repairing One Gauge Not Operating Properly
- 3B Repairing Speedometer Not Operating Properly
- 3C Repairing Oil Pressure Gauge Not Operating Properly
- 3D Repairing Oil Pressure Gauge/Indicator Not Operational
- 3E Repairing Temperature Gauge Not Operating Properly
- 3F Repairing Volt Gauge Not Operating Properly
- 3G Repairing Tachometer Not Operating Properly
- 4A Repairing CCD Controlled Lamps Not Operating Properly
- 5A Repairing Hard Wired Lamps Not Operating Properly
- Power Door Lock System
- Speed Control (SC) Tests
- Vehicle Communication Tests
- 1A Identifying Vehicle Communication Problems
- 2A Continued Repairing No Response From Airbag Module
- 2A Repairing No Response From Airbag Module
- 2B Repairing Open Fused Ignition Switch Output
- 3A Repairing No Response From (PCM)
- 4A Repairing Short To Battery Failure
- 4B Repairing Short to Battery Failure
- 4C Repairing Short to Battery Failure
- 5A Repairing Short to 5 Volts Failure
- 5B Repairing Short to 5 Volts Failure
- 6A Repairing Short to Ground Failure
- 7A Repairing Bus(+) and Bus(-) Shorted Together Failure
- 8A No Termination Failure
- 9A Repairing Bus Bias Level Too High/Low Failure
- 10A Repairing Not Receiving Bus Message Correctly Failure
- 11A Repairing No Bus Bias Failure
- 12A Repairing Bus(+) Open, Bus(-) Open Failure or Both
- 13A Repairing No Response From Central Timer Module
- 13B Repairing No Response From Central Timer Module
- 13C Repairing No Response From Central Timer Module
- 14A Repairing Instrument Cluster No Response
- Vehicle Theft Security System (VTSS)
- 1A Identifying Vehicle Theft Security System Problems
- 2A Repairing Door Disarm Switch Failure
- 3A Repairing Left Door Disarm Switch Circuit Open
- 4A Repairing Right Door Disarm Switch Circuit Open
- 5A Repairing Door Unlock Switch Failure
- 6A Repairing Door Lock Switch Failure
- 7A Repairing Horn Inoperative In Theft Mode
- 8A Repairing Headlamps Inoperative In Theft Mode
- 9A Repairing Vehicle Theft Security Lamp Inoperative
- 10A Repairing Loss of Ignition Run to Central Timer Module
- 11A Repairing Loss Of Ignition To Central Timer Module
- Windshield Wiper and Washer System
- Airbag System
- Verification Tests
- Verification Test VER-1A - ABS
- Verification Test VER-1A - Air Bag
- Verification Test VER-1A - No Start Verification Test
- Verification Test VER-2A - Body
- Verification Test VER-2A - Road Test Verification
- Verification Test VER-3A - Charging System Verification
- Verification Test VER-4A - Speed Control Verification Test
- Verification Test VER-5A - Road Test For OBD-II Trouble Codes
- Verification Test VER-6A - Verifying the APPS Calibration
- Diagnostic Trouble Code Descriptions