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
- P0205 Injector # 5 Control Circuit
- P0206 Injector # 6 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
- 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
- P0551 Power Steering Switch Failure
- P0600 PCM Failure SPI Communications
- P0601 Internal Controller Failure
- P0622 Generator Field Not Switching Properly
- P0645 A/C Clutch Relay Circuit
- P0700 EATX Controller DTC Present
- P0703 Brake Switch Stuck Pressed or Released
- 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
- 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
- P1489 High Speed Fan Control Relay Circuit
- P1490 Low Speed Fan Control Relay Circuit
- 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
- 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
- P1695 No CCD Message From Body Control Module
- P1696 PCM Failure EEPROM Write Denied
- P1697 PCM Failure SRI Mile Not Stored
- P1698 No Bus Message From Trans Control Module
- P1899 Park/Neutral Switch Stuck In Park or Gear
- Detailed Descriptions
- Trouble Code Descriptions
- Antilock Brakes / Traction Control Systems
- Communication
- ABS Message Mismatch
- ABS Message Not Received
- Battery Power to Module
- Battery Power to Module Disconnect
- Bus (+) & (-) Open
- Bus (+) and Bus (-) Shorted Together
- Bus (+) Open
- Bus (-) Open
- Bus Bias Level Too High
- Bus Bias Level Too Low
- CCD Short to Battery
- CCD Short to Ground
- DRB Blank Screen
- EATX PRNDL Message Test Failed
- EEPROM Checksum Failure
- Ignition Voltage Too Low
- Internal Module Tests Failure
- No Bus Bias
- No RESP Controller Antilock Brake
- No Response From ACM
- No Response From BCM (BAT PWR Discon'd)
- No Response From PCM
- No Response From SKIM
- No Response From TCM
- No Response Instrument Cluster
- No Termination
- Not Receiving Bus Messages Properly
- PCM Message Not Received
- Short to 5 Volts
- Heating and A/C
- Cluster Illumination
- Evaporator Sensor Failure
- HVAC Control Illumination
- HVAC Control Input Shorted to Battery
- HVAC Control Input Shorted to Ground
- HVAC Mode Door Feedback Failure
- HVAC Mode Door Stall
- Mode Door Inoperative
- Panel Lamp PWM Output Failure
- Rear Defogger Button Stuck
- Rear Window Defogger (EBL) Inoperative
- Instrument Cluster
- Power Door Lock System
- Restraint Systems
- AECM & Cluster CCD Message Mismatch (Active)
- AECM & Cluster CCD Message Mismatch (Stored)
- AECM Accelerometer (Active)
- AECM Accelerometer (Stored)
- AECM Output Driver (Active)
- AECM Output Driver (Stored)
- AECM Stored Energy (Active)
- AECM Stored Energy (Stored)
- Driver Squib Circuit Open (Active)
- Driver Squib Circuit Open (Stored)
- Driver Squib Circuit Shorted (Active)
- Driver Squib Circuit Shorted (Stored)
- Driver Squib Terminal Circuit Shorted to Battery (Stored)
- Driver Squib Terminal Circuit Shorted to Ground (Stored)
- Driver Squib Terminal Shorted to Battery (Active)
- Driver Squib Terminal Shorted to Ground (Active)
- Internal Diagnostics 1 (Active)
- Internal Diagnostics 1 (Stored)
- Internal Diagnostics 2 (Active)
- Internal Diagnostics 2 (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 (Active)
- No CCD Communication (Stored)
- No Cluster CCD Bus Message (Active)
- No Cluster CCD Bus Message (Stored)
- Output Driver Not Tested (Active)
- Output Driver Not Tested (Stored)
- Passenger Squib Circuit Open (Active)
- Passenger Squib Circuit Open (Stored)
- Passenger Squib Circuit Short to Battery (Active)
- Passenger Squib Circuit Short to Ground (Active)
- Passenger Squib Circuit Shorted (Active)
- Passenger Squib Circuit Shorted (Stored)
- Passenger Squib Terminal Short to Battery (Stored)
- Passenger Squib Terminal Short to Ground (Stored)
- Warning Lamp Circuit Open (Active)
- Warning Lamp Circuit Open (Stored)
- Warning Lamp Circuit Shorted (Active)
- Warning Lamp Circuit Shorted (Stored)
- Vehicle Theft Security System
- Antenna Failure
- Driver Door Disarm Switch Input
- EEPROM Failure
- Garage Door Opener and Decklid Release Lockout
- Inoperative Decklid Release From RKE
- Internal SKIM Failure
- No CCD Communications
- No Response From BCM
- No Response From PCM
- No Response From Skim
- Passenger Door Disarm Switch Input
- PCM Status Failure
- Rolling Code Failure
- Serial Link External Failure
- Serial Link External Failure-Sending Secret Key to PCM
- Transponder Communication Failure
- Transponder CRC Failure
- Transponder ID Mismatch
- Transponder Response Mismatch
- VIN Mismatch
- VTSS System Problems
- Windshield Wiper and Washer
- 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
- P0205 Injector #5 Control Circuit
- P0206 Injector #6 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
- 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
- P0551 Power Steering Switch Failure
- P0600 PCM Failure SPI Communications
- P0601 Internal Controller Failure
- P0622 Generator Field Not Switching Properly
- P0645 A/C Clutch Relay Circuit
- P0700 EATX Controller DTC Present
- P0703 Brake Switch Stuck Pressed or Released
- P1195 Slow 1/1 02S During Catalyst Monitor
- 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
- P1489 High Speed Fan Control Relay Circuit
- P1490 Low Speed 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
- P1598 A/C Pressure Sensor Voltage Too High
- P1599 A/C Pressure Sensor Voltage Too Low
- P1682 Charging System Voltage Too Low
- P1695 No CCD Message From Body Control Module
- P1696 PCM Failure EEPROM Write Denied
- P1697 PCM Failure SRI Mile Not Stored
- P1698 No CCD Messages From TCM
- 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 Coolant Sensor Calibration
- Checking EGR System
- Checking Engine Mechanical Systems (No Start)
- Checking Evaporative Emission System
- Checking For Oxygen Sensor Switching
- Checking Fuel Pressure
- Checking Fuel System
- Checking IAC Motor
- 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 Speed Control On/Off Switch
- Checking Speed Control Operation
- Checking Throttle Position Sensor Calibration
- Engine Will Not Crank
- Fuel Pump Inoperative
- High Fuel Pressure
- Low Fuel Pressure
- No Response Condition
- Qualifying A No Start Condition
- Speed Control Denied Message
- Speed Control Set/Resume Switch
- P Code Charts
- All Other P Codes
- P0106
- P0107
- P0108
- P0112
- P0113
- P0117
- P0118
- P0120
- 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
- P0420
- P0441
- P0442
- P0443
- P0455
- P0460
- P0462
- P0463
- P0500
- P0505
- P0551
- P0600
- P0601
- P0604
- P0605
- P0622
- P0645
- P0700
- P0703
- P0705
- P0715
- P0720
- P0725
- P0731
- P0732
- P0733
- P0734
- P0736
- P0740
- P0750
- P0755
- P0760
- P0765
- P1195
- P1281
- P1282
- P1294
- P1297
- P1299
- P1388
- P1389
- P1390
- P1391
- P1398
- P1486
- P1489
- P1490
- P1492
- P1493
- P1494
- P1495
- P1496
- P1594
- P1595
- P1596
- P1597
- P1598
- P1599
- P1682
- P1695
- P1696
- P1697
- P1698
- P1716
- P1738
- P1739
- P1765
- P1767
- P1768
- P1775
- P1776
- P1781
- P1782
- P1784
- P1787
- P1788
- P1789
- P1790
- P1791
- P1792
- P1793
- P1794
- P1795
- P1796
- P1797
- P1798
- P1799
- P1899
- Manufacturer Code Charts
- FD or Undocumented Codes
- Code to Test Chart
- Driveability Tests - Trouble Codes
- Checking Coolant Sensor Calibration
- 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
- Checking MAP Sensor Calibration
- Checking Minimum Idle Air Flow
- Checking O2S Heater
- Checking Park/Neutral Position Switch
- Checking PCM Power and Ground Circuits
- Checking Throttle Position Sensor Calibration
- Airbag System
- AECM & Cluster CCD Message Mismatch (Active)
- AECM & Cluster CCD Message Mismatch (Stored)
- AECM Accelerometer (Active)
- AECM Accelerometer (Stored)
- AECM Output Driver (Active)
- AECM Output Driver (Stored)
- AECM Stored Energy (Active)
- AECM Stored Energy (Stored)
- Driver Squib Circuit Open (Active)
- Driver Squib Circuit Open (Stored)
- Driver Squib Circuit Shorted (Active)
- Driver Squib Circuit Shorted (Stored)
- Driver Squib Terminal Circuit Shorted to Battery (Stored)
- Driver Squib Terminal Circuit Shorted to Ground (Stored)
- Driver Squib Terminal Shorted to Battery (Active)
- Driver Squib Terminal Shorted to Ground (Active)
- Internal Diagnostics 1 (Active)
- Internal Diagnostics 1 (Stored)
- Internal Diagnostics 2 (Active)
- Internal Diagnostics 2 (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 (Active)
- No CCD Communication (Stored)
- No Cluster CCD Bus Message (Active)
- No Cluster CCD Bus Message (Stored)
- Output Driver Not Tested (Active)
- Output Driver Not Tested (Stored)
- 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 Ground (Active)
- Passenger Squib Terminal Shorted to Battery (Active)
- Passenger Squib Terminal Shorted to Battery (Stored)
- Passenger Squib Terminal Shorted to Ground (Stored)
- Warning Lamp Circuit Open (Active)
- Warning Lamp Circuit Open (Stored)
- Warning Lamp Circuit Shorted (Active)
- Warning Lamp Circuit Shorted (Stored)
- Antilock Brakes / Traction Control Systems
- ABS Warning Indicator
- Brake Lamp Switch
- 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
- Traction Control Switch
- Traction Control Warning Lamp
- Body Control Module
- Charging System (CH) Tests
- Chime System
- Compass/Mini-Trip Computer
- Blank CMTC Displaying CCD
- CMTC Displaying OC
- CMTC Displaying SC
- CMTC Elapsed Time Inoperative
- CMTC Fails To Respond to Instrument Cluster Dimming
- CMTC Mileage/Distance Problems
- CMTC Segments Fail to Light
- CMTC Shows Failed
- CMTC Switch Inoperative
- CMTC Trip Odometer Inoperative or Wrong
- Incorrect Ambient Temperature Readings
- Exterior Lighting System
- Heating and Air Conditioning
- Cluster Illumination
- Evaporator Sensor Failure
- HVAC Control Illumination
- HVAC Control Input Shorted to Battery
- HVAC Control Input Shorted to Ground
- HVAC Mode Door Feedback Failure
- HVAC Mode Door Stall
- Mode Door Inoperative
- Panel Lamp PWM Output Failure
- Rear Defogger Button Stuck
- Rear Window Defogger (EBL) Inoperative
- Information Bus
- ABS Message Mismatch
- ABS Message Not Received
- Battery Power to Module
- Battery Power to Module Disconnect
- Bus (+) & (-) Open
- Bus (+) and Bus (-) Shorted Together
- Bus (+) Open
- Bus (-) Open
- Bus Bias Level Too High
- Bus Bias Level Too Low
- CCD Short to Battery
- CCD Short to Ground
- DRB Blank Screen
- EATX PRNDL Message Failed
- EEPROM Checksum Failure
- Ignition Voltage Too Low
- Internal Module Tests Failure
- No Bus Bias
- No Response From ACM
- No Response From BCM
- No Response From CAB
- No Response From Instrument Cluster
- No Response From PCM
- No Response From SKIM
- No Response From TCM
- No Termination
- Not Receiving Bus Messages Properly
- PCM Message Not Received
- Shorted to 5 Volts
- Instrument Cluster
- Interior Lighting System
- Power Door Lock System
- All Doors Fail to Lock and Unlock From One Switch
- All Doors Failing to Lock and Unlock From Any Switch
- Automatic (Rolling) Door Locks Do Not Operate
- Door Lock Inhibit Circuit Inoperative
- Doors Failing to Lock From Any Switch
- Doors Failing to Lock From One Switch
- Doors Failing to Unlock From Any Switch
- Doors Failing to Unlock From One Switch
- One Door Failing to Lock and Unlock From Any Switch
- Remote Keyless Entry Problem
- Power Top
- Speed Control (SC) Tests
- Vehicle Theft Security System (VTSS)
- Antenna Failure
- Driver Door Disarm Switch Input
- EEPROM Failure
- Garage Door Opener and Decklid Release Lockout
- Inoperative Decklid Release From RKE
- Internal SKIM Failure
- No CCD Communications
- No Response From BCM
- No Response From PCM
- No Response From SKIM
- Passenger Door Disarm Switch Input
- PCM Status Failure
- Rolling Code Failure
- Serial Link External Failure
- Serial Link External Failure-Sending Secret Key to PCM
- Transponder Communication Failure
- Transponder CRC Failure
- Transponder ID Mismatch
- Transponder Response Mismatch
- VIN Mismatch
- VTSS System Problems
- Verification Tests
- Performance Verification Test - Transmission Control System
- Verification Test VER-1A - ABS
- Verification Test VER-1A - Body
- Verification Test VER-1A - No Start Verification Test
- Verification Test VER-1A - Transmission Control System
- Verification Test VER-2A - Airbag
- 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