A L L Diagnostic Trouble Codes ( DTC )
Testing and Inspection- Diagnostic Trouble Code Descriptions
- FD or Undocumented Codes
- Trouble Code Types and Reset Counter
- Code to Test Chart
- P Codes
- Descriptions and Oxygen Sensor Locations
- 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 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
- P0171 1/1 Fuel System Lean
- P0172 1/1 Fuel System Rich
- P0175 2/1 Fuel System Rich
- P0201 Injector # 1 Control Circuit
- P0300 Multiple Cylinder Misfire
- P0301A Cylinder #1,#2,#3,#4,#5 Or #6 Misfire
- P0320 No Crank Reference Signal at PCM
- P0325 Knock Sensor Circuit
- P0340 No Cam Signal at PCM
- P0401 EGR System Failure
- P0403 EGR Solenoid Circuit
- P0404A EGR Position Sensor Rationality Failure
- P0405A EGR Position Sensor Voltage Too Low
- P0406A EGR Position Sensor Voltage Too High
- 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
- P0500 No Vehicle Speed Sensor Signal
- P0505 Idle Air Control Motor Circuits
- P0622 Generator Field Not Switching Properly
- P0645 A/C Clutch Relay Circuit
- P0703 Brake Switch Stuck Pressed or Released
- P1282 Fuel Pump Relay Control Circuit
- P1288A Intake Manifold Short Runner Solenoid Ckt (OBD II)
- P1289A Manifold Tune Valve 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
- P1391 Intermittent Loss of CMP or CKP
- P1398 Misfire Adaptive Numerator at Limit
- P1479A Transmission Fan Relay Circuit
- P1486 EVAP Leak Monitor Pinched Hose Found
- P1489 High Speed Fan Control Relay Circuit
- P1490 Low Speed Fan Control Relay Circuit
- P1492 Battery Temperature Sensor Voltage Too High
- P1494A Leak Detection Pump Pressure Switch
- 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
- P1598 A/C Pressure Sensor Voltage Too High
- P1599 A/C Pressure Sensor Voltage Too Low
- P1682 Charging System Voltage Too Low
- P1683 Speed Control Power Relay CKT or 12V Driver Circuit
- P1899 Park/Neutral Switch Stuck In Park or Gear
- Hex Codes
- Detailed Descriptions
- Communication
- Cruise Control
- Heating and A/C
- Inactive Trouble Code Condition
- Low Tire Pressure Warning System
- Power Door Locks/RKE
- Restraint Systems
- Driver Squib Circuit Open
- Driver Squib Circuit Shorted
- Front Sensor Circuit Shorted
- Loss of Ignition Run Only
- No CCD Communication or No Cluster CCD
- One Front Sensor Circuit Open
- PAB On/Off Switch MUX Circuit Open/Shorted
- Passenger Squib Circuit Open
- Passenger Squib Circuit Shorted
- Pressure Switch Circuit Open/Short
- Safing Sensor Open
- Two Front Sensors Circuit Open
- Vehicle Theft Security System
- P Code Charts
- All Other P Codes
- P0107
- P0108
- P0112
- P0113
- P0117
- P0118
- P0120
- P0121
- P0122
- P0123
- P0125
- P0131
- P0132
- P0133
- P0134
- P0135
- P0137
- P0138
- P0140
- P0141
- P0151
- P0152
- P0153
- P0154
- P0155
- P0157
- P0158
- P0160
- P0161
- P0171
- P0172
- P0174
- P0175
- P0201
- P0202
- P0203
- P0204
- P0205
- P0206
- P0300
- P0301
- P0320
- P0325
- P0330
- P0340
- P0351
- P0352
- P0353
- P0354
- P0355
- P0356
- P0401
- P0403
- P0404
- P0405
- P0406
- P0420
- P0432
- P0441
- P0442
- P0443
- P0455
- P0500
- P0505
- P0600
- P0622
- P0645
- P0703
- P0705
- P0715
- P0720
- P0725
- P0731
- P0732
- P0733
- P0734
- P0736
- P0740
- P0750
- P0755
- P0760
- P0765
- P1195
- P1196
- P1282
- P1288
- P1289
- P1294
- P1297
- P1299
- P1388
- P1389
- P1391
- P1398
- P1479
- P1486
- P1489
- P1490
- P1492
- P1493
- P1494
- P1495
- P1496
- P1594
- P1595
- P1596
- P1597
- P1598
- P1599
- P1682
- P1683
- P1696
- P1738
- P1739
- P1765
- P1767
- P1768
- P1770
- P1771
- P1772
- P1775
- P1776
- P1781
- P1782
- P1784
- P1787
- P1788
- P1789
- P1790
- P1791
- P1792
- P1793
- P1794
- P1796
- P1797
- P1798
- P1799
- P1899
- Manufacturer Code Charts
- FD or Undocumented Codes
- Code to Test Chart
- Trouble Code (TC) Tests
- Airbag System
- 1A Identifying Airbag System Problems
- 2A Driver Squib Circuit Open
- 3A Driver Squib Circuit Shorted
- 4A Front Sensor Circuit Shorted
- 5A Loss of Ignition Run Only
- 6A No CCD Communication or No Cluster CCD
- 7A One Front Sensor Circuit Open
- 8A Passenger Squib Circuit Open
- 9A Passenger Squib Circuit Shorted
- 10A Pressure Switch Circuit Open/Short
- 11A Safing Sensor Open
- 12A Two Front Sensors Circuit Open
- 13A Warning Lamps Circuit Open/Shorted
- 14A Stored Trouble Codes
- 15A Airbag Control Module Replacement
- 16A PAB On/Off Switch MUX Circuit Open/Shorted
- Audio System
- Body Control Module
- Symptom Identification (Start Here)
- Door Ajar System
- Charging System (CH) Tests
- Chime System
- 1A Identifying Chime System Problems
- 2A Chime Inoperative at All Times
- 3A Chime Sounds With Driver Seat Belt Fastened
- 4A Chime Sounds With Driver's Door Open
- 5A Chime Inoperative With Exterior Lamps ON
- 5B Shorted Key-In Ignition Switch
- 6A Chime Inoperative With Key-In Ignition and Driver Door Open
- 7A Chime Inoperative With Driver Seat Belt Unfastened
- 8A Chimes Inop With Interior Light on, Door Open, and Key Out
- Exterior Lighting System
- 1A Identifying Exterior Lighting System Failures
- 2A Low Beam Headlamps That Will Not Turn on
- 2B Shorted Headlamp Fused B(+) Circuit
- 3A Low Beam Headlamps That Will Not Turn Off
- 4A Park Lamps That Will Not Turn on
- 5A Park Lamps That Will Not Turn Off
- 6A High Beam Headlamps That Will Not Turn on
- 7A High Beam Headlamps That Will Not Turn Off
- Heating and Air Conditioning
- 1A Identifying Manual A/C System Problems
- 1B Identifying HVAC Control Related Trouble Codes
- 2A A/C Button Inoperative
- 3A Evaporator Sensor Circuit
- 4A Compressor Fails to Cycle
- 5A HVAC Mode Switch MUX Shorted to Battery
- 6A HVAC Mode Switch MUX Shorted to Ground
- 7A HVAC Mode Door Feedback Failure Trouble Codes
- 8A Inop Mode Door or HVAC Mode Door Stall Test Trouble Codes
- 8B Inoperative Mode Door
- 9A Inoperative Rear Window Defogger (EBL)
- 10A Rear Defogger Button Stuck Trouble Code
- Instrument Cluster
- 1A Identifying Instrument Cluster Problems
- 2A Repairing All Gauges Not Operating
- 3A Fuel Gauge Level Sending Unit Error
- 3B Speedometer Not Operating
- 3C Temp Gauge Not Operating
- 3D Oil Pressure Gauge Not Operating Properly
- 3E Fuel Gauge Inaccuracy
- 4A Identifying Warning Lamp Problems
- 5A Liquid Crystal Display Not Operating Properly
- 6A Low Fuel Lamp Not Operating Properly
- 7A Check Gauges Lamp Not Operating Properly
- 8A Seat Belt Warning Lamp Not Operating Properly
- 9A Brake Warning Lamp Not Operating Properly
- 10A Low Tire Lamp Not Operating Properly
- 12A Cruise Lamp Not Operating Properly
- 13A Service Engine Soon Lamp Not Operating Properly
- 14A Low Wash Lamp Not Operating Properly
- 15A Deck/Door Ajar Warning Indicator
- 16A Passenger Airbag Off Lamp
- Interior Lighting System
- Low Tire Pressure Warning System
- Power Door Lock System With Remote Keyless Entry (RKE)
- 1A Identifying Power Door Lock and Remote Keyless Entry Problem
- 1B Door Lock Switch Failure Trouble Code
- 1C Door Unlock Switch Failure Trouble Code
- 2A Doors Fail to Lock and Unlock From Either Switch
- 3A Doors Fail to Lock From Either Switch
- 3B Shorted Key-In Ignition Circuit
- 4A Doors Fail to Unlock From Either Switch
- 5A Both Doors Fail to Lock and Unlock From One Switch
- 6A Doors Fail to Lock From One Switch
- 7A Doors Fail to Unlock From One Switch
- 8A One Door Failing to Lock or Unlock From Either Switch
- 8B Right Door Fails to Lock or Unlock From Either Switch
- 9A One Door Fails to Unlock From Either Switch
- 9B Right Door Fails to Unlock From Either Switch
- 10A Inoperative Door Lock Inhibit Circuit
- 11A Remote Keyless Entry
- 12A Inoperative Decklid Release
- 13A Automatic Door Locks
- Speed Control (SC) Tests
- SC-1A Checking Speed Control Operation
- SC-1B Checking Speed Control Operation
- SC-1C Checking Speed Control Operation
- SC-2A Checking Speed Control ON/OFF Switch
- SC-3A Checking Speed Control Resume/Accel Switch
- SC-4A Checking the Speed Control Brake Switch Sense
- SC-5A Checking For a Speed Control Denied Message
- Transmission Control System
- 1A Pre Diagnostic Checkout
- 2A Checking the System For Diagnostic Trouble Codes
- 3A Conditions Needed to Set Diagnostic Trouble Codes
- 4A Checking For Intermittent Diagnostic Trouble Codes
- 5A Repairing Back-Up Lamp Problems
- 5B Repairing Back-Up Lamp Problems
- 7A Checking For Symptoms and Possible Causes
- 8A For No Response
- 9A Repairing Inoperative Transmission Cooling Fan
- 9B Repairing Inoperative Transmission Cooling Fan
- 9C Repairing Inoperative Transmission Cooling Fan
- 9D Repairing Inoperative Transmission Cooling Fan
- 9E Repairing Inoperative Transmission Cooling Fan
- 9F Repairing Inoperative Transmission Cooling Fan
- 9G Repairing Inoperative Transmission Cooling Fan
- Vehicle Communication Tests
- 1A Identifying Vehicle Communication Problems
- 2A No Response From Airbag Control Module
- 3A No Response From BCM or Batt Power to BCM Disconnected DTC
- 3B Battery Power to Module Disconnected Trouble Code
- 4A No Response From Instrument Cluster
- 5A No Response From Powertrain Control Module
- 6A No Response From CCD Radio
- 7A No Response From Transmission Control Module
- 8A Bus Short to Battery Failure
- 9A Bus Short to 5 Volts Failure
- 9B Bus Short to 5 Volts From PCM
- 9C Bus Short to 5 Volts From BCM
- 10A Bus Short to Ground Failure
- 11A Bus(+) and Bus(-) Shorted Together
- 12A No Termination Failure
- 13A Bus Bias Level Too Low/High or Bus(+/-) Open Failure
- 14A No Bus Bias Failure
- 15A Not Receiving Bus Messages Correctly Failure
- Vehicle Theft Security System (VTSS)
- 1A Identifying Vehicle Theft Security System Problems
- 1B Door Key Switch Failure Trouble Codes
- 2A Checking Response From VTSS
- 3A Disarming VTSS System
- 4A Inoperative VTSS Horn
- 5A Inoperative VTSS Indicator Lamp
- 5B Shorted VTSS Indicator Lamp Circuit
- 6A VTSS Door Key Cylinder Switch Problems
- 7A VTSS Indicator Lamp Comes on While Driving
- Windshield Wiper and Washer System
- Verification Tests
- Verification Test VER-1A - Air Bag
- Verification Test VER-1A - No Start Verification Test
- Verification Test VER-1A - Transmission Control System
- Verification Test VER-2A - Body
- Verification Test VER-2A - Road Test Verification
- Verification Test VER-3A - Charging System Verification
- Verification Test VER-3A - Low Tire Pressure Warning
- Verification Test VER-4A - Speed Control Verification Test
- Verification Test VER-5A - Road Test For OBD-II Trouble Codes
- Verification Test VER-6A - EVAP Leak Detection System
- Diagnostic Trouble Code Descriptions