A L L Diagnostic Trouble Codes ( DTC )

• Testing and Inspection
  • Diagnostic Trouble Code Descriptions
    • FD or Undocumented Codes
    • Trouble Code Types and Reset Counter
      • General
      • Hard Code
      • Intermittent Code
      • Starts Since Set Counter
    • Code to Test Chart
    • P Codes
      • Brief Descriptions
      • Code Descriptions & Possible Causes
        • P0107 MAP Sensor Voltage Too Low
        • P0108 MAP Sensor Voltage Too High
        • P0112 Intake Air Temperature Sensor Voltage Low
        • P0113 Intake Air Temperature Sensor Voltage High
        • P0117 ECT Sensor Voltage Too High
        • P0118 ECT Sensor Voltage Too Low
        • P0121 TPS Voltage Does Not Agree With MAP
        • P0122 Throttle Position Sensor Voltage Low
        • P0123 Throttle Position Sensor Voltage High
        • P0125 Closed Loop Temperature Not Reached
        • P0131 1/1 O2S Voltage Shorted To Ground
        • P0132 1/1 O2S Voltage Shorted to Voltage
        • P0133 1/1 O2 Sensor Slow Response
        • P0135 1/1 O2 Sensor Heater Failure
        • P0137 1/2 O2 Sensor Volts Shorted to Ground
        • P0138 1/2 Oxygen Sensor Shorted To Voltage
        • P0139 1/2 Oxygen Sensor Slow Response
        • P0141 1/2 O2 Sensor Heater Failure
        • P0171 1/1 Fuel System Lean
        • P0172 1/1 Fuel System Rich
        • P0201 Injector # 1 Control Circuit
        • P0202 Injector # 2 Control Circuit
        • P0203 Injector # 3 Control Circuit
        • P0204 Injector # 4 Control Circuit
        • P0205 Injector # 5 Control Circuit
        • P0206 Injector # 6 Control Circuit
        • P0207 Injector # 7 Control Circuit
        • P0208 Injector # 8 Control Circuit
        • P0300 Multiple Cylinder Misfire
        • P0301 Cylinder # 1 Misfire
        • P0302 Cylinder # 2 Misfire
        • P0303 Cylinder # 3 Misfire
        • P0304 Cylinder # 4 Misfire
        • P0305 Cylinder # 5 Misfire
        • P0306 Cylinder # 6 Misfire
        • P0307 Cylinder # 7 Misfire
        • P0308 Cylinder # 8 Misfire
        • P0320 No Crank Reference Signal at PCM
        • P0340 No Cam Signal at PCM
        • P0351 Ignition Coil # 1 Primary Circuit
        • P0420 Catalyst 1/1 Efficiency Failure
        • P0441 EVAP Purge Flow Monitor Failure
        • P0442 EVAP Leak Monitor Small Leak Detected
        • P0443 EVAP Purge Solenoid Circuit
        • P0455 EVAP Leak Monitor Large Leak Detected
        • P0460 Fuel Level Unit No Change Over Miles
        • P0462 Fuel Level Sending Unit Volts Too Low
        • P0463 Fuel Level Sending Unit Volts Too High
        • P0500 No Vehicle Speed Sensor Signal
        • P0505 Idle Air Control Motor Circuits
        • P0601 Internal Controller Failure
        • P0622 Generator Field Not Switching Properly
        • P0645 A/C Clutch Relay Circuit
        • P0711 Trans Temp Sensor, No Temp Rise After Start
        • P0712 Trans Temp Sensor Voltage Too Low
        • P0713 Trans Temp Sensor Voltage Too High
        • P0720 Low Output Speed Sensor RPM Above 15 Mph
        • P0740 Torque Converter Clutch, No RPM Drop at Lockup
        • P0743 Torque Converter Clutch Solenoid/Trans Relay Circuits
        • P0748 Governor Pressure SOL Control/Trans Relay Circuits
        • P0751 O/D Switch Pressed (LO) More than 5 Min
        • P0753 Trans 3-4 Shift Solenoid/Trans Relay Circuits
        • P0783 3-4 Shift Solenoid, No RPM Drop @ 3-4 Shift
        • P1195 1/1 O2 Sensor Slow During Catalyst Monitor
        • P1281 Engine Is Cold Too Long
        • P1282 Fuel Pump Relay Control Circuit
        • P1294 Target Idle Not Reached
        • P1296 No 5 Volts to MAP Sensor
        • P1297 No Change In MAP Sensor From Start to Run
        • P1388 Auto Shutdown Relay Control Circuit
        • P1389 No ASD Relay Output Voltage at PCM
        • P1391 Intermittent Loss of CMP or CKP
        • P1398 Misfire Adaptive Numerator at Limit
        • P1486 EVAP Leak Monitor Pinched Hose Found
        • P1492 Battery Temperature Sensor Voltage Too High
        • P1493 Battery Temperature Sensor Voltage Too Low
        • P1494 Leak Detection Pump Switch or Mechanical Fault
        • P1495 Leak Detection Pump Solenoid Circuit
        • P1594 Charging System Voltage Too High
        • P1595 Speed Control Solenoid Circuits
        • P1596 Speed Control Switch Always High
        • P1597 Speed Control Switch Always Low
        • P1682 Charging System Voltage Too Low
        • P1683 Speed Control Power Relay CKT or 12V Driver Circuit
        • P1696 PCM Failure EEPROM Write Denied
        • P1756 GOV Press Not Equal to Target @ 15-20 PSI
        • P1757 GOV Pressure Above 3 PSI In Gear With 0 MPH
        • P1762 GOV Press Sensor Offset Volts Too Low or High
        • P1763 Governor Pressure Sensor Volts Too High
        • P1764 Governor Pressure Sensor Volts Too Low
        • P1765 Transmission 12V Supply Relay Control Circuit
        • P1899 Park/Neutral Switch Stuck In Park or Gear
    • Detailed Descriptions
      • Antilock Brakes / Traction Control Systems
        • With Four Wheel Antilock Brakes
        • With Rear Wheel Antilock Brakes
      • Communication
        • Bus (+) and Bus (-) Open
        • Bus (+) Open
        • Bus (-) Open
        • Bus Bias Level Too High
        • Bus Bias Level Too Low
        • Bus Failure Message - Bus (+) and Bus (-) Shorted Together
        • Bus Failure Message - No Termination
        • Bus Failure Message - Short to Battery
        • Bus Failure Message - Short to Ground
        • Bus Failure Message - Short to 5 Volts
        • Identifying Vehicle Communication Problems
        • No Bus Bias
        • No Response From Airbag Control Module
        • No Response From Central Timer Module
        • No Response From Instrument Cluster
        • No Response From Powertrain Control Module
        • Not Receiving Bus Message Correctly
      • Power Door Locks/RKE
        • Door Lock Switch Failure
        • Door Unlock Switch Failure
      • Restraint Systems
        • ACM Accelerometer (Active)
        • ACM Accelerometer (Stored)
        • ACM Internal Diagnostic Code # 1 (Active)
        • ACM Internal Diagnostic Code # 1 (Stored)
        • ACM Internal Diagnostic Code # 2 (Active)
        • ACM Internal Diagnostic Code # 2 (Stored)
        • ACM Output Driver (Active)
        • ACM Output Driver (Stored)
        • ACM Output Driver Circuit Open (Active)
        • ACM Output Driver Circuit Open (Stored)
        • ACM Stored Energy (Active)
        • ACM Stored Energy (Stored)
        • Cluster Message Mismatch (Active)
        • Cluster Message Mismatch (Stored)
        • Driver Squib Circuit Open (Active)
        • Driver Squib Circuit Open (Stored)
        • Driver Squib Circuit Shorted (Active)
        • Driver Squib Circuit Shorted (Stored)
        • Driver Squib Circuit Shorted to Battery (Active)
        • Driver Squib Circuit Shorted to Battery (Stored)
        • Driver Squib Circuit Shorted to Ground (Active)
        • Driver Squib Circuit Shorted to Ground (Stored)
        • Loss of Ignition Run Only (Active)
        • Loss of Ignition Run/Start (Active)
        • Loss of Ignition Run/Start (Stored)
        • No CCD Communication (Active)
        • No CCD Communication (Stored)
        • No Cluster CCD Message (Active)
        • No Cluster CCD Message (Stored)
        • PAB On/Off Switch Fails to Illuminate In Off Position
        • PAB On/Off Switch Illuminates In On Position
        • PAB On/Off Switch Mechanical Problem
        • Passenger Squib Circuit Open (Active)
        • Passenger Squib Circuit Open (Stored)
        • Passenger Squib Circuit Shorted (Active)
        • Passenger Squib Circuit Shorted (Stored)
        • Passenger Squib Circuit Shorted to Battery (Active)
        • Passenger Squib Circuit Shorted to Battery (Stored)
        • Passenger Squib Circuit Shorted to Ground (Active)
        • Passenger Squib Circuit Shorted to Ground (Stored)
        • Warning Lamp Open/Shorted (Active)
        • Warning Lamp Open/Shorted (Stored)
      • Vehicle Theft Security System
        • Door Disarm Switch Failure
        • EEPROM Checksum Failure
        • Internal ROM Test Failed
        • VTSS System Problems
      • Windshield Wiper and Washer
  • P Code Charts
    • All Other P Codes
    • P0107
    • P0108
    • P0112
    • P0113
    • P0117
    • P0118
    • P0121
    • P0122
    • P0123
    • P0125
    • P0131
    • P0132
    • P0133
    • P0135
    • P0137
    • P0138
    • P0139
    • P0141
    • P0171
    • P0172
    • P0201
    • P0202
    • P0203
    • P0204
    • P0205
    • P0206
    • P0207
    • P0208
    • P0300
    • P0301
    • P0302
    • P0303
    • P0304
    • P0305
    • P0306
    • P0307
    • P0308
    • P0320
    • P0340
    • P0351
    • P0420
    • P0441
    • P0442
    • P0443
    • P0455
    • P0460
    • P0462
    • P0463
    • P0500
    • P0505
    • P0601
    • P0622
    • P0645
    • P0711
    • P0712
    • P0713
    • P0720
    • P0740
    • P0743
    • P0748
    • P0751
    • P0753
    • P0783
    • P1195
    • P1281
    • P1282
    • P1294
    • P1296
    • P1297
    • P1388
    • P1389
    • P1391
    • P1398
    • P1486
    • P1492
    • P1493
    • P1494
    • P1495
    • P1594
    • P1595
    • P1596
    • P1597
    • P1682
    • P1683
    • P1696
    • P1756
    • P1757
    • P1762
    • P1763
    • P1764
    • P1765
    • P1899
  • Manufacturer Code Charts
    • FD or Undocumented Codes
    • Code to Test Chart
    • Driveability Tests - Trouble Codes
      • Checking A/C System
      • Checking Battery Temp Sensor
      • Checking Brake Switch
      • Checking Coolant Sensor Calibration
      • Checking Engine Mechanical Systems
      • Checking Engine Vacuum
      • Checking EVAP System
      • Checking Fuel Delivery
      • Checking Intake Air Temperature Sensor
      • Checking MAP Sensor
      • Checking Minimum Idle Air Flow
      • Checking Oil Pressure Sensor
      • Checking O2 Sen Switching
      • Checking O2S Heater
      • Checking Park/Neutral Position Switch
      • Checking PCM Power and Ground Circuits
      • Checking Secondary Ignition and Timing
      • Checking Throttle Position Sensor
    • Airbag System
      • ACM Accelerometer (Active)
      • ACM Accelerometer (Stored)
      • ACM Internal Diagnostic Code #1 (Active)
      • ACM Internal Diagnostic Code #1 (Stored)
      • ACM Internal Diagnostic Code #2 (Active)
      • ACM Internal Diagnostic Code #2 (Stored)
      • ACM Output Driver (Active)
      • ACM Output Driver (Stored)
      • ACM Output Driver Circuit Open (Active)
      • ACM Output Driver Circuit Open (Stored)
      • ACM Stored Energy (Active)
      • ACM Stored Energy (Stored)
      • Cluster Message Mismatch (Active)
      • Cluster Message Mismatch (Stored)
      • Driver Squib Circuit Open (Active)
      • Driver Squib Circuit Open (Stored)
      • Driver Squib Circuit Shorted (Active)
      • Driver Squib Circuit Shorted (Stored)
      • Driver Squib Circuit Shorted to Battery (Active)
      • Driver Squib Circuit Shorted to Battery (Stored)
      • Driver Squib Circuit Shorted to Ground (Active)
      • Driver Squib Circuit Shorted to Ground (Stored)
      • Loss of Ignition Run Only (Active)
      • Loss of Ignition Run/Start (Active)
      • Loss of Ignition Run/Start (Stored)
      • No CCD Communication (Active)
      • No CCD Communication (Stored)
      • No Cluster CCD Message (Active)
      • No Cluster CCD Message (Stored)
      • PAB On/Off Switch Fails to Illuminate In Off Position
      • PAB On/Off Switch Illuminates In On Position
      • PAB On/Off Switch Mechanical Problem
      • Passenger Squib Circuit Open (Active)
      • Passenger Squib Circuit Open (Stored)
      • Passenger Squib Circuit Shorted (Active)
      • Passenger Squib Circuit Shorted (Stored)
      • Passenger Squib Circuit Shorted to Battery (Active)
      • Passenger Squib Circuit Shorted to Battery (Stored)
      • Passenger Squib Circuit Shorted to Ground (Active)
      • Passenger Squib Circuit Shorted to Ground (Stored)
      • Warning Lamp Open/Shorted (Active)
      • Warning Lamp Open/Shorted (Stored)
    • Antilock Brakes / Traction Control Systems
      • With Four Wheel Antilock Brakes
        • (21) Right Front Sensor Open
        • (22) No Signal From Right Front Sensor
        • (23) Intermittent Signal From Right Front Sensor
        • (25) Left Front Sensor Open
        • (26) No Signal From Left Front Sensor
        • (27) Intermittent Signal From Left Front Sensor
        • (35) Rear Sensor Open
        • (36) No Signal From Rear Sensor
        • (37) Intermittent Signal From Rear Sensor
        • (38) Wheel Speed Mismatch
        • (51) Rear Isolation Solenoid Open
        • (52) Rear Dump Solenoid Open
        • (53) Rear Isolation Solenoid Open
        • (54) Rear Dump Solenoid Shorted
        • (65) Internal Main Relay Open
        • (66) Internal Main Relay Shorted
        • (67) Pump Motor Circuit Open
        • (68) Pump Motor Stalled
        • (69) Excessive Dump Time
        • (71) RAM Read/Write
        • (72) ROM Checksum
        • (73) Watchdog
        • (74) System Control Mode Timeout
        • (78) Foundation Brake
        • (81) Brake Switch Circuit
        • (82) Number of Tone Ring Teeth Out of Range
        • (83) Tire Revolutions Per Mile Out of Range
        • (84) Mismatched VIN
        • ABS Warning Lamp
        • CAB Failure Verification
        • DRB "No Response" Message
        • Internal CAB Fault
        • Replacing the CAB
        • Vehicle Speed Signal Output
      • With Rear Wheel Antilock Brakes
        • (35) Rear Sensor Open
        • (36) No Signal From Rear Sensor
        • (37) Intermittent Signal From Rear Sensor
        • (51) Rear Isolation Solenoid Open
        • (52) Rear Dump Solenoid Open
        • (53) Rear Isolation Solenoid Open
        • (54) Rear Dump Solenoid Shorted
        • (63) Rear Reset Switch Closed
        • (65) Internal Main Relay Open
        • (66) Internal Main Relay Shorted
        • (69) Excessive Dump Time
        • (71) RAM Read/Write
        • (72) ROM Checksum
        • (73) Watchdog
        • (78) Foundation Brake
        • (81) Brake Switch Circuit
        • (82) Number of Tone Ring Teeth Out of Range
        • (83) Tire Revolutions Per Mile Out of Range
        • (84) Mismatched VIN
        • ABS Warning Lamp
        • CAB Failure Verification
        • DRB "No Response" Message
        • Internal CAB Fault
        • Pump Motor Fault
        • Replacing the CAB
        • Vehicle Speed Signal Output
    • Body Control Module
      • Courtesy Lamps Inoperative From Left Front Door
      • Courtesy Lamps Inoperative From Right Front Door
      • Illuminated Entry Inoperative From Either Auxiliary Door
      • Open Auxiliary Door (Side or Rear) Ajar
      • Open Driver Door Ajar
      • Open Passenger Door Ajar
      • Shorted Auxiliary Door (Side or Rear) Ajar
      • Shorted Driver Door Ajar
      • Shorted Passenger Door Ajar
    • Charging System (CH) Tests
    • Chime System
      • Chime Inoperative at All Times
      • Chime Inoperative With Any Warning Lamp on
      • Chime Inoperative With Exterior Lamps On
      • Chime Inoperative With Key In Ignition & Driver Door Open
      • Chime Inoperative With Only One Warning Lamp
      • Chime Remains on With the Ignition on
      • Chime Sounds With Driver Door Open
    • Information Bus
      • Identifying Vehicle Communication Problems
      • Bus (+) and Bus (-) Open
      • Bus (+) Open
      • Bus (-) Open
      • Bus Bias Level Too High
      • Bus Bias Level Too Low
      • Bus Failure Message Bus (+) and Bus (-) Shorted Together
      • Bus Failure Message No Termination
      • Bus Failure Message Short to Battery
      • Bus Failure Message Short to Ground
      • Bus Failure Message Short to 5 Volts
      • No Bus Bias
      • No Response From ACM
      • No Response From Central Timer Module
      • No Response From Instrument Cluster
      • No Response From PCM
      • Not Receiving Bus Messages Correctly
    • Instrument Cluster
      • All Gauges Inoperative
      • Any CCD Cluster Lamp Inoperative
      • Any Hard Wired Lamp Inoperative
      • One Gauge Not Operating Properly
    • Interior Lighting System
      • Courtesy Lamps Inop From All Doors & Courtesy Lamp Switch
      • Courtesy Lamps Inoperative From Both Front Doors
      • Courtesy Lamps Inoperative From Courtesy Lamp Switch
      • Courtesy Lamps Inoperative From Either Auxiliary Door
      • Courtesy Lamps On at All Times
      • Illuminated Entry Inoperative
    • Power Door Lock System With Remote Keyless Entry (RKE)
      • All Doors Failing to Lock & Unlock From Any Switch
      • All Doors Failing to Lock & Unlock From One Switch
      • All Doors Failing to Lock From Any Switch
      • All Doors Failing to Lock From One Switch
      • All Doors Failing to Unlock From Any Switch
      • All Doors Failing to Unlock From One Switch
      • Automatic (Rolling) Door Locks
      • Auxiliary Doors Fail to Lock
      • Cancelling Horn Chirp
      • Changing Horn Chirp Duration
      • Door Lock Inhibit Inoperative
      • Door Lock Switch Failure
      • Door Unlock Switch Failure
      • Horn Chirp Inoperative (W/Chirp Enabled)
      • One Door Failing to Lock & Unlock From Any Switch
      • Programming A Transmitter
      • RKE Inoperative
    • Speed Control (SC) Tests
      • Checking Brake Switch Sense
      • Checking Speed Control Denied Message
      • Checking Speed Control On/Off Switch
      • Checking Speed Control Operation
      • Checking Speed Control Resume/Accel Switch
    • Vehicle Theft Security System (VTSS)
      • Door Disarm Switch Failure
      • EEPROM Checksum Failure
      • Internal ROM Failed
      • VTSS System Problems
    • Windshield Wiper and Washer System
      • Intermittent Wipers Inoperative or Erratic, No DTC's
      • No Wipe After Washers Actuated
      • Wiper Park Switch Failure DTC
      • Wiper Speed Sensitive Inoperative
  • Verification Tests
    • Verification Test VER-1A - ABS
      • With Four Wheel Antilock Brakes
      • With Rear Wheel Antilock Brakes
    • 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-5A2 - Road Test For OBD-II Trouble Codes
    • Verification Test VER-5A3 - Road Test For OBD-II Trouble Codes
    • Verification Test VER-6A - LDP (Leak Detection Pump) Test