A L L Diagnostic Trouble Codes ( DTC )
Testing and Inspection- Diagnostic Trouble Code Descriptions
- About Trouble Codes
- FD or Undocumented Codes
- Trouble Code Types and Reset Counter
- Code to Test Chart
- P Codes
- Brief Descriptions
- Code Descriptions & Possible Causes
- P0106 Barometric Pressure Out of Range
- 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 Low
- P0118 ECT Sensor Voltage Too High
- 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
- P0134 1/1 O2 Sensor Stays at Center
- P0135 1/1 O2 Sensor Heater Failure
- P0137 1/2 O2 Sensor Volts Shorted to Ground
- P0138 1/2 Oxygen Sensor Shorted To Voltage
- P0140 1/2 O2 Sensor StaysAt Center
- 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
- P0300 Multiple Cylinder Misfire
- P0301 Cylinder # 1 Misfire
- P0302 Cylinder # 2 Misfire
- P0303 Cylinder # 3 Misfire
- P0304 Cylinder # 4 Misfire
- P0320 No Crank Reference Signal at PCM
- P0325 Knock Sensor Circuit
- P0340 No Cam Signal at PCM
- P0351 Ignition Coil # 1 Primary Circuit
- P0352 Ignition Coil # 2 Primary Circuit
- P0401 EGR System Failure
- P0403 EGR Solenoid 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 Sending 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
- P0600 PCM Failure SPI Communications
- P0601 Internal Controller Failure
- P0622 Generator Field Not Switching Properly
- P0645 A/C Clutch Relay Circuit
- P0740 Torque Converter Clutch, No RPM Drop at Lockup
- P0743 Torque Converter Clutch Solenoid/Trans Relay Circuits
- P1281 Engine Is Cold Too Long
- P1282 Fuel Pump Relay Control Circuit
- P1294 Target Idle Not Reached
- P1297 No Change In MAP Sensor From Start to Run
- P1299 Vacuum Leak Found (IAC Fully Seated)
- P1388 Auto Shutdown Relay Control Circuit
- P1389 No ASD Relay Output Voltage at PCM
- P1390 Timing Belt Skipped 1 Tooth or More
- P1391 Intermittent Loss of CMP or CKP
- P1398 Misfire Adaptive Numerator at Limit
- P1486 EVAP Leak Monitor Pinched Hose Found
- P1491 Rad Fan Control Relay Circuit
- P1492 Ambient/Batt Temp Sensor Volts Too High
- P1493 Ambient/Batt Temp Sensor Volts Too Low
- P1494 Leak Detection Pump Switch or Mechanical Fault
- P1495 Leak Detection Pump Solenoid Circuit
- P1496 5 Volt Supply Output Too Low
- 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 Circuit
- P1696 PCM Failure EEPROM Write Denied
- P1697 PCM Failure SRI Mile Not Stored
- P1899 Park/Neutral Switch Stuck In Park or Gear
- Detailed Descriptions
- Trouble Code Descriptions
- Antilock Brakes / Traction Control Systems
- Communication
- Restraint Systems
- AECM Accelerometer (Active)
- AECM Accelerometer (Stored)
- AECM Output Driver Circuit Open (Active)
- AECM Output Driver Circuit Open (Stored)
- AECM Stored Energy Driver (Active)
- AECM Stored Energy Driver (Stored)
- AECM Stored Energy Logic (Active)
- AECM Stored Energy Logic (Stored)
- AECM Stored Energy Passenger (Active)
- AECM Stored Energy Passenger (Stored)
- Driver Squib Circuit Open (Active)
- Driver Squib Circuit Open (Stored)
- Driver Squib Circuit Shorted (Active)
- Driver Squib Circuit Shorted (Stored)
- Either Squib Circuit Shorted to Battery (Active)
- Either Squib Circuit Shorted to Battery (Stored)
- Either Squib Terminal Shorted to Ground (Active)
- Either Squib Terminal Shorted to Ground (Stored)
- Internal Diagnostics 1 (Active)
- Internal Diagnostics 1 (Stored)
- Internal Diagnostics 2 (Active)
- Internal Diagnostics 2 (Stored)
- Internal Diagnostics 3 (Active)
- Internal Diagnostics 3 (Stored)
- Internal Diagnostics 4 (Active)
- Internal Diagnostics 4 (Stored)
- Loss of Ignition Run Only (Active)
- Loss of Ignition Run Only (Stored)
- Loss of Ignition Run/Start (Active)
- Loss of Ignition Run/Start (Stored)
- No CCD Communication
- No Response From ACM
- Passenger Squib Circuit Open (Active)
- Passenger Squib Circuit Open (Stored)
- Passenger Squib Circuit Shorted (Active)
- Passenger Squib Circuit Shorted (Stored)
- Safing Sensor Shorted (Active)
- Safing Sensor Shorted (Stored)
- Warning Lamp Circuit Open (Active)
- Warning Lamp Circuit Open (Stored)
- Warning Lamp Circuit Shorted (Active)
- Warning Lamp Circuit Shorted (Stored)
- Warning Lamp Driver Error (Active)
- Warning Lamp Driver Error (Stored)
- By P Code Number
- P0106 Barometric Pressure Out of Range
- 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 Too High
- P0117 ECT Sensor Voltage Too Low
- P0118 ECT Sensor Voltage Too High
- 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 O2 Sensor Shorted To Voltage
- P0133 1/1 O2 Sensor Slow Response
- P0134 1/1 02 Sensor Stays at Center
- P0135 1/1 O2 Sensor Heater Failure
- P0137 1/2 O2 Sensor Volts Shorted to Ground
- P0138 1/2 O2 Sensor Shorted to Voltage
- P0140 1/2 O2 Sensor Stays At Center
- 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
- P0300 Multiple Cylinder Misfire
- P0301 Cylinder #1 Misfire
- P0302 Cylinder #2 Misfire
- P0303 Cylinder #3 Misfire
- P0304 Cylinder #4 Misfire
- P0320 No Crank Reference Signal At PCM
- P0325 Knock Sensor Circuit
- P0340 No Cam Signal At PCM
- P0351 Ignition Coil #1 Primary Circuit
- P0352 Ignition Coil #2 Primary Circuit
- P0401 EGR System Failure
- P0403 EGR Solenoid Circuit
- P0420 1/1 Catalytic Converter Efficiency
- 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 Sending 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 Circuit
- P0600 PCM Failure SPI Communications
- P0601 Internal Controller Failure
- P0622 Generator Field Not Switching Properly
- P0645 A/C Clutch Relay Circuit
- P0740 Torq Conv Clutch, No RPM Drop at Lockup
- P0743 Torque Converter Clutch Solenoid/Trans Relay CKT.
- P1281 Engine Is Cold Too Long
- P1282 Fuel Pump Relay Control Circuit
- P1294 Target Idle Not Reached
- P1297 No Change In MAP Sensor From Start to Run
- P1299 Vacuum Leak Found (IAC Fully Seated)
- P1388 Auto Shutdown Relay Control Circuit
- P1389 No ASD Relay Output Voltage At PCM
- P1390 Timing Belt Skipped 1 Tooth or More
- P1391 Intermittent Loss of CMP or CKP
- P1398 Misfire Adaptive Numerator at Limit
- P1486 EVAP Leak Monitor Pinched Hose Found
- P1491 Radiator Fan Control Relay Circuit
- P1492 Battery Temperature Sensor Voltage Too High
- P1493 Battery Temp Sensor Voltage Too Low
- P1494 Leak Detection Pump Switch or Mechanical Fault
- P1495 Leak Detection Pump Solenoid Circuit
- P1496 5 Volt Supply Output Too Low
- 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
- P1697 PCM Failure SRI Mile Not Stored
- P1899 Park/Neutral Switch Stuck In Park or In Gear
- Trouble Code Descriptions
- Codes with No Number Associated
- Charging System No Code Test
- Checking Brake Switch Sense
- Checking Cam and Crank Sensors
- Checking Coolant Sensor Calibration & Radiator Fan Operation
- Checking EGR System
- Checking Engine Mechanical Systems (No Start)
- Checking Engine Vacuum
- Checking Evaporative Emission System
- Checking For Oxygen Sensor Switching
- Checking Fuel Pressure
- Checking Fuel System
- Checking IAT Sensor
- Checking Idle Air Control Motor Operation
- Checking MAP Sensor Calibration
- Checking Minimum Idle Air Flow
- Checking Oxygen Sensor Heater
- Checking Park/Neutral Position Switch
- Checking PCM Power and Ground Circuits
- Checking Secondary Ignition and Timing
- Checking Secondary Ignition System
- Checking Speed Control On/Off Switch
- Checking Speed Control Operation
- Checking Throttle Position Sensor Calibration
- Checking Timing Belt Alignment
- Engine Will Not Crank
- Fuel Pump Inoperative
- High Fuel Pressure
- Low Fuel Pressure
- No Response Condition
- Qualifying A No Start Condition
- Repairing A Start And Stall Condition
- Speed Control Denied Message
- Speed Control Set/Resume Switch
- P Code Charts
- All Other P Codes
- P0106
- P0107
- P0108
- P0112
- P0113
- P0117
- P0118
- P0121
- P0122
- P0123
- P0125
- P0131
- P0132
- P0133
- P0134
- P0135
- P0137
- P0138
- P0140
- P0141
- P0171
- P0172
- P0201
- P0202
- P0203
- P0204
- P0205
- P0206
- P0300
- P0301
- P0302
- P0303
- P0304
- P0305
- P0306
- P0320
- P0325
- P0340
- P0351
- P0352
- P0401
- P0403
- P0404
- P0405
- P0406
- P0420
- P0432
- P0441
- P0442
- P0443
- P0455
- P0460
- P0462
- P0463
- P0500
- P0505
- P0551
- P0600
- P0601
- P0622
- P0645
- P0700
- P0703
- P0740
- P0743
- P1195
- P1196
- P1281
- P1282
- P1286
- P1289
- P1294
- P1297
- P1299
- P1388
- P1389
- P1390
- P1391
- P1398
- P1486
- P1489
- P1490
- P1491
- P1492
- P1493
- P1494
- P1495
- P1496
- P1594
- P1595
- P1596
- P1597
- P1598
- P1599
- P1682
- P1683
- P1695
- P1696
- P1697
- P1698
- P1899
- Manufacturer Code Charts
- FD or Undocumented Codes
- Code to Test Chart
- Driveability Tests - Trouble Codes
- Checking Coolant Sensor Calibration & Radiator Fan Operation
- Checking EGR System
- Checking Engine Mechanical Systems
- Checking Engine Vacuum
- Checking EVAP Emission System
- Checking For Oxygen Sensor Switching
- Checking Fuel Pressure
- Checking IAT Sensor
- Checking Idle Air Control Motor Operation
- Checking MAP Sensor Calibration
- Checking Minimum Idle Air Flow
- Checking O2S Heater
- Checking Park/Neutral Position Switch
- Checking PCM Power and Ground Circuits
- Checking Secondary Ignition and Timing
- Checking Throttle Position Sensor Calibration
- Checking Timing Belt Alignment
- Airbag System
- AECM Accelerometer (Active)
- AECM Accelerometer (Stored)
- AECM Output Driver Circuit Open (Active)
- AECM Output Driver Circuit Open (Stored)
- AECM Stored Energy Driver (Active)
- AECM Stored Energy Driver (Stored)
- AECM Stored Energy Logic (Active)
- AECM Stored Energy Logic (Stored)
- AECM Stored Energy Passenger (Active)
- AECM Stored Energy Passenger (Stored)
- Airbag Warning Lamp ON / No Active Codes Present
- Driver Squib Circuit Open (Active)
- Driver Squib Circuit Open (Stored)
- Driver Squib Circuit Shorted (Active)
- Driver Squib Circuit Shorted (Stored)
- Either Squib Circuit Shorted to Battery (Active)
- Either Squib Circuit Shorted to Battery (Stored)
- Either Squib Terminal Shorted to Ground (Active)
- Either Squib Terminal Shorted to Ground (Stored)
- Internal Diagnostics 1 (Active)
- Internal Diagnostics 1 (Stored)
- Internal Diagnostics 2 (Active)
- Internal Diagnostics 2 (Stored)
- Internal Diagnostics 3 (Active)
- Internal Diagnostics 3 (Stored)
- Internal Diagnostics 4 (Active)
- Internal Diagnostics 4 (Stored)
- Loss of Ignition Run Only (Active)
- Loss of Ignition Run Only (Stored)
- Loss of Ignition Run/Start (Active)
- Loss of Ignition Run/Start (Stored)
- No CCD Communications
- No Response From ACM
- Passenger Squib Circuit Open (Active)
- Passenger Squib Circuit Open (Stored)
- Passenger Squib Circuit Shorted (Active)
- Passenger Squib Circuit Shorted (Stored)
- Safing Sensor Shorted (Active)
- Safing Sensor Shorted (Stored)
- Warning Lamp Circuit Open (Active)
- Warning Lamp Circuit Open (Stored)
- Warning Lamp Circuit Shorted (Active)
- Warning Lamp Circuit Shorted (Stored)
- Warning Lamp Driver Error (Active)
- Warning Lamp Driver Error (Stored)
- Antilock Brakes / Traction Control Systems
- ABS Warning Indicator
- Brake Switch Circuit
- CAB Power Feed Circuit
- CCD Communication
- Controller Failure
- DRB "NO RESPONSE" Message
- Incorrect Tone Wheel
- Left Front Sensor Circuit Failure
- Left Front Sensor Signal Failure
- Left Rear Sensor Circuit Failure
- Left Rear Sensor Signal Failure
- Pump Motor Circuit Not Working Properly
- Right Front Sensor Circuit Failure
- Right Front Sensor Signal Failure
- Right Rear Sensor Circuit Failure
- Right Rear Sensor Signal Failure
- System Overvoltage
- System Undervoltage
- Charging System (CH) Tests
- Information Bus
- Speed Control (SC) Tests
- 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 - 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
- Diagnostic Trouble Code Descriptions