Diagnostic Trouble Code Chart
Refer to the appropriate SYSTEM WIRING DIAGRAMS article for schematic and connector information.
DIAGNOSTIC TROUBLE CODE CHART
| DTC | Description | Source | Action |
|---|---|---|---|
| B1201 | Fuel Sender Circuit Failure | Instrument Cluster | REFER to INSTRUMENT CLUSTER- CONVENTIONAL or INSTRUMENT CLUSTER- NATURAL GAS . |
| B1204 | Fuel Sender Circuit Short to Ground | Instrument Cluster | REFER to INSTRUMENT CLUSTER- CONVENTIONAL or INSTRUMENT CLUSTER- NATURAL GAS . |
| B1205 | EIC Switch-1 Assembly Circuit Failure | Instrument Cluster | REFER to INSTRUMENT CLUSTER- CONVENTIONAL or INSTRUMENT CLUSTER- NATURAL GAS . |
| B1231 | Longitudinal Acceleration Threshold Exceeded | RCM | REFER to AIR BAG RESTRAINT SYSTEMS . |
| B1309 | Power Door Lock Circuit Short to Ground | Vehicle Security Module | REFER to HANDLES, LOCKS, LATCHES AND ENTRY SYSTEMS . |
| B1317 | Battery Voltage High | Instrument Cluster | REFER to CHARGING SYSTEM - GENERAL INFORMATION . |
| B1317 | Battery Voltage High | RCM | REFER to CHARGING SYSTEM - GENERAL INFORMATION . |
| B1318 | Battery Voltage Low | Instrument Cluster | REFER to CHARGING SYSTEM - GENERAL INFORMATION . |
| B1318 | Battery Voltage Low | RCM | REFER to CHARGING SYSTEM - GENERAL INFORMATION . |
| B1319 | Driver Door Ajar Circuit Failure | Instrument Cluster | REFER to INTERIOR LIGHTING . |
| B1322 | Driver Door Ajar Circuit Short to Ground | Vehicle Security Module | REFER to INTERIOR LIGHTING . |
| B1328 | Passenger Door Ajar Circuit Failure | Instrument Cluster | REFER to INTERIOR LIGHTING . |
| B1330 | Passenger Door Ajar Circuit Short to Ground | Vehicle Security Module | REFER to INTERIOR LIGHTING . |
| B1334 | Decklid Ajar Rear Door Circuit Short to Ground | Vehicle Security Module | REFER to INTERIOR LIGHTING . |
| B1338 | Door Ajar RR Circuit Short to Ground | Vehicle Security Module | REFER to INTERIOR LIGHTING . |
| B1341 | Power Door Unlock Circuit Short to Ground | Vehicle Security Module | REFER to HANDLES, LOCKS, LATCHES AND ENTRY SYSTEMS . |
| B1342 | ECU is Defective | ABS Module | CLEAR the DTCs. REPEAT the self-test. If DTC B1342 is retrieved again, INSTALL a new ABS module. refer to ANTI-LOCK CONTROL . CLEAR the DTCs. REPEAT the self-test. |
| B1342 | ECU is Defective | Instrument Cluster | CLEAR the DTCs. REPEAT the self-test. If DTC B1342 is retrieved again, INSTALL a new instrument cluster. refer to INSTRUMENT CLUSTER- CONVENTIONAL or INSTRUMENT CLUSTER- NATURAL GAS . CLEAR the DTCs. REPEAT the self-test. |
| B1342 | ECU is Defective | RCM | CLEAR the DTCs. REPEAT the self-test. If DTC B1342 is retrieved again, INSTALL a new RCM. refer to AIR BAG RESTRAINT SYSTEMS . CLEAR the DTCs. REPEAT the self-test. |
| B1342 | ECU is Defective | Vehicle Security Module | CLEAR the DTCs. REPEAT the self-test. If DTC B1342 is retrieved again, INSTALL a new vehicle security module. refer to VEHICLE SECURITY MODULE . CLEAR the DTCs. REPEAT the self-test. |
| B1345 | Heated Backlite Input Circuit Short to Ground | Instrument Cluster | REFER to INTERIOR LIGHTING . |
| B1352 | Ignition Key-In Circuit Failure | Instrument Cluster | REFER to WARNING DEVICES . |
| B1360 | Ignition Run/Acc Circuit Open | Instrument Cluster | REFER to STEERING COLUMN SWITCHES . |
| B1522 | Hood Switch Circuit Short to Ground | Vehicle Security Module | REFER to INTERIOR LIGHTING . |
| B1526 | Keyless Entry Circuit Short to Ground | Vehicle Security Module | REFER to HANDLES, LOCKS, LATCHES AND ENTRY SYSTEMS . |
| B1562 | Door Lock Cylinder Circuit Short to Ground | Vehicle Security Module | REFER to HANDLES, LOCKS, LATCHES AND ENTRY SYSTEMS . |
| B1607 | Illuminated Entry Input Circuit Failure | Instrument Cluster | REFER to INTERIOR LIGHTING . |
| B1629 | PRNDL Reverse Input Short to Battery | Vehicle Security Module | REFER to INSTRUMENT CLUSTER- CONVENTIONAL or INSTRUMENT CLUSTER- NATURAL GAS . |
| B1869 | Lamp Air Bag Warning Indicator Circuit Open | RCM | REFER to AIR BAG RESTRAINT SYSTEMS . |
| B1870 | Lamp Air Bag Warning Indicator Circuit Short to Battery | RCM | REFER to AIR BAG RESTRAINT SYSTEMS . |
| B1877 | Seatbelt Driver Pretensioner Circuit Open | RCM | REFER to AIR BAG RESTRAINT SYSTEMS . |
| B1878 | Seatbelt Driver Pretensioner Circuit Short to Battery | RCM | REFER to AIR BAG RESTRAINT SYSTEMS . |
| B1879 | Seatbelt Driver Pretensioner Circuit Short to Ground | RCM | REFER to AIR BAG RESTRAINT SYSTEMS . |
| B1881 | Seatbelt Passenger Pretensioner Circuit Open | RCM | REFER to AIR BAG RESTRAINT SYSTEMS . |
| B1882 | Seatbelt Passenger Pretensioner Circuit Short to Battery | RCM | REFER to AIR BAG RESTRAINT SYSTEMS . |
| B1883 | Seatbelt Passenger Pretensioner Circuit Short to Ground | RCM | REFER to AIR BAG RESTRAINT SYSTEMS . |
| B1885 | Seatbelt Driver Pretensioner Circuit Resistance Low on Squib | RCM | REFER to AIR BAG RESTRAINT SYSTEMS . |
| B1886 | Seatbelt Passenger Pretensioner Circuit Resistance Low on Squib | RCM | REFER to AIR BAG RESTRAINT SYSTEMS . |
| B1891 | Air Bag Tone Warning Indicator Circuit Short to Battery | RCM | REFER to AIR BAG RESTRAINT SYSTEMS . |
| B1892 | Air Bag Tone Warning Indicator Circuit Failure | RCM | REFER to AIR BAG RESTRAINT SYSTEMS . |
| B1916 | Air Bag Driver Circuit Short to Battery | RCM | REFER to AIR BAG RESTRAINT SYSTEMS . |
| B1921 | Air Bag Diagnostic Monitor Ground Circuit Open | RCM | REFER to AIR BAG RESTRAINT SYSTEMS . |
| B1925 | Air Bag Passenger Circuit Short to Battery | RCM | REFER to AIR BAG RESTRAINT SYSTEMS . |
| B1932 | Air Bag Driver Circuit Open | RCM | REFER to AIR BAG RESTRAINT SYSTEMS . |
| B1933 | Air Bag Passenger Circuit Open | RCM | REFER to AIR BAG RESTRAINT SYSTEMS . |
| B1934 | Air Bag Driver Inflator Circuit Resistance Low on Squib | RCM | REFER to AIR BAG RESTRAINT SYSTEMS . |
| B1935 | Air Bag Passenger Inflator Circuit Resistance Low on Squib | RCM | REFER to AIR BAG RESTRAINT SYSTEMS . |
| B1936 | Air Bag Driver Circuit Short to Ground | RCM | REFER to AIR BAG RESTRAINT SYSTEMS . |
| B1938 | Air Bag Passenger Circuit Short to Ground | RCM | REFER to AIR BAG RESTRAINT SYSTEMS . |
| B2143 | NVM Memory Failure | Instrument Cluster | REFER to INSTRUMENT CLUSTER- CONVENTIONAL or INSTRUMENT CLUSTER- NATURAL GAS . |
| B2226 | Front Crash Sensor Internal Fault | RCM | REFER to AIR BAG RESTRAINT SYSTEMS . |
| B2227 | Front Crash Sensor Communications Fault | RCM | REFER to AIR BAG RESTRAINT SYSTEMS . |
| B2276 | Less Than Two Transmitters Programmed | Vehicle Security Module | REFER to HANDLES, LOCKS, LATCHES AND ENTRY SYSTEMS . |
| B2425 | Remote Keyless Entry Out of Sync | Vehicle Security Module | REFER to HANDLES, LOCKS, LATCHES AND ENTRY SYSTEMS . |
| B2477 | Module Configuration Failure | Instrument Cluster | REFER to INSTRUMENT CLUSTER- CONVENTIONAL . |
| B2477 | Module Configuration Failure | Vehicle Security Module | REFER to MODULE CONFIGURATION . |
| B2792 | Cross Link Between Firing Loops | RCM | REFER to AIR BAG RESTRAINT SYSTEMS . |
| C1095 | ABS Hydraulic Pump Motor Circuit Failure | ABS Module | REFER to ANTI-LOCK CONTROL . |
| C1096 | ABS Hydraulic Pump Motor Circuit Open | ABS Module | REFER to ANTI-LOCK CONTROL . |
| C1145 | Speed Wheel Sensor RF Input Circuit Failure | ABS Module | REFER to ANTI-LOCK CONTROL . |
| C1148 | Speed Wheel Sensor RF Coherency Fault | ABS Module | REFER to ANTI-LOCK CONTROL . |
| C1155 | Speed Wheel Sensor LF Input Circuit Failure | ABS Module | REFER to ANTI-LOCK CONTROL . |
| C1158 | Speed Wheel Sensor LF Coherency Fault | ABS Module | REFER to ANTI-LOCK CONTROL . |
| C1169 | ABS Fluid Dumping Exceeds Maximum Timing | ABS Module | REFER to ANTI-LOCK CONTROL . |
| C1184 | ABS System Is Not Operational | ABS Module | REFER to ANTI-LOCK CONTROL . |
| C1185 | ABS Power Relay Output Circuit Failure | ABS Module | REFER to ANTI-LOCK CONTROL . |
| C1194 | ABS Outlet Valve Coil LF Circuit Failure | ABS Module | REFER to ANTI-LOCK CONTROL . |
| C1196 | ABS Output Valve Coil LF Circuit Short to Battery | ABS Module | REFER to ANTI-LOCK CONTROL . |
| C1198 | ABS Inlet Valve Coil LF Circuit Failure | ABS Module | REFER to ANTI-LOCK CONTROL . |
| C1200 | ABS Inlet Valve Coil LF Circuit Short to Battery | ABS Module | REFER to ANTI-LOCK CONTROL . |
| C1202 | ABS Outlet Valve Coil Rear Circuit Failure | ABS Module | REFER to ANTI-LOCK CONTROL . |
| C1204 | ABS Output Valve Coil Rear Circuit Short to Battery | ABS Module | REFER to ANTI-LOCK CONTROL . |
| C1206 | ABS Inlet Valve Coil Rear Circuit Failure | ABS Module | REFER to ANTI-LOCK CONTROL . |
| C1208 | ABS Inlet Valve Coil Rear Circuit Short to Battery | ABS Module | REFER to ANTI-LOCK CONTROL . |
| C1210 | ABS Outlet Valve Coil RF Circuit Failure | ABS Module | REFER to ANTI-LOCK CONTROL . |
| C1212 | ABS Output Valve Coil RF Circuit Short to Battery | ABS Module | REFER to ANTI-LOCK CONTROL . |
| C1214 | ABS Inlet Valve Coil RF Circuit Failure | ABS Module | REFER to ANTI-LOCK CONTROL . |
| C1216 | ABS Inlet Valve Coil RF Circuit Short to Battery | ABS Module | REFER to ANTI-LOCK CONTROL . |
| C1220 | Lamp ABS Warning Output Circuit Short to Battery | ABS Module | REFER to ANTI-LOCK CONTROL . |
| C1222 | Speed Wheel Mismatch | ABS Module | REFER to ANTI-LOCK CONTROL . |
| C1225 | Lamp Brake Warning Output Circuit Short to Battery | ABS Module | REFER to ANTI-LOCK CONTROL . |
| C1226 | Lamp Brake Warning Output Circuit Short to Ground | ABS Module | REFER to ANTI-LOCK CONTROL . |
| C1229 | Speed Wheel Sensor Rear Center Coherency Fault | ABS Module | REFER to ANTI-LOCK CONTROL . |
| C1230 | Speed Wheel Sensor Rear Center Input Circuit Failure | ABS Module | REFER to ANTI-LOCK CONTROL . |
| C1233 | Speed Wheel LF Input Signal Missing | ABS Module | REFER to ANTI-LOCK CONTROL . |
| C1234 | Speed Wheel RF Input Signal Missing | ABS Module | REFER to ANTI-LOCK CONTROL . |
| C1237 | Speed Wheel Input Signal Missing | ABS Module | REFER to ANTI-LOCK CONTROL . |
| C1284 | Oil Pressure Switch Failure | Instrument Cluster | REFER to INSTRUMENT CLUSTER- CONVENTIONAL . |
| C1414 | Incorrect Module Design Level | RCM | REFER to AIR BAG RESTRAINT SYSTEMS . |
| U1027 | SCP (J1850) Invalid or Missing Data for Engine RPM | Instrument Cluster | REFER to INSTRUMENT CLUSTER- CONVENTIONAL . |
| U1041 | SCP (J1850) Invalid or Missing Data for Vehicle Speed | Instrument Cluster | REFER to INSTRUMENT CLUSTER- CONVENTIONAL . |
| U1059 | SCP (J1850) Invalid or Mising Data for Transmission/Transaxle PRNDL | Instrument Cluster | REFER to INSTRUMENT CLUSTER- CONVENTIONAL . |
| U1073 | SCP (J1850) Invalid or Missing Data for Engine Coolant | Instrument Cluster | REFER to INSTRUMENT CLUSTER- CONVENTIONAL . |
| U1123 | SCP (J1850) Invalid or Missing Data for Odometer | Instrument Cluster | REFER to INSTRUMENT CLUSTER- CONVENTIONAL . |
| U1262 | SCP (J1850) Communication Bus Fault | Instrument Cluster | REFER to INSTRUMENT CLUSTER- CONVENTIONAL . |
DIAGNOSTIC TROUBLE CODE CHART