Anti-Lock Brake System (ABS) Module Diagnostic Trouble Code (DTC) Index
NOTE:
If DTC B2900, C1805 and U1900 are set at the time, diagnose the concern for U1900 first.
NOTE:
DTC C1730 (Reference Voltage Out Of Range) must be repaired before DTC C1279, C1280, C1281, C1282, C1288, C1289.
DIAGNOSTIC TROUBLE CODE (DTC) INDEX
| DTC | Description | Source | Action |
|---|---|---|---|
| B1342 | ECU Is Defective | ABS Module |
NOTE:
If other DTCs are present, REPAIR them before installing a new component. CLEAR the DTCs. RETRIEVE the DTCs. If DTC B1342 is retrieved, INSTALL a new module. refer to ANTI-LOCK BRAKE SYSTEM (ABS) MODULE . REPEAT the self-test. |
| B1483 | Brake Pedal Input Circuit Failure | ABS Module | Go To PINPOINT TEST B . |
| B1676 | Battery Pack Voltage Out of Range | ABS Module | Go To PINPOINT TEST C . |
| B2477 | Module Configuration Failure | ABS Module | Follow the diagnostic tool directions for the configuration procedure. |
| B2734 | Pedal Travel Sensor (PTS) Supply Error | ABS Module | Go To PINPOINT TEST N . |
| B2736 | Pedal Travel Sensor (PTS) Circuit Fault | ABS Module | Go To PINPOINT TEST N . |
| B2737 | Pedal Travel Sensor (PTS) Jammed Error | ABS Module | Go To PINPOINT TEST N . |
| B2738 | Pedal Travel Sensor (PTS) Spike Error | ABS Module | Go To PINPOINT TEST N . |
| B2740 | Pedal Travel Sensor (PTS) Spike Error | ABS Module | Go To PINPOINT TEST N . |
| B2741 | Sensor Cluster Loop End | ABS Module | FOLLOW the diagnostic tool directions for the calibration procedure. |
| B2900 | VIN Mismatched | ABS Module | VERIFY that the module has the correct as-built data. CHECK for correct powertrain control module (PCM) and ABS module configuration using the diagnostic tool. RECONFIGURE the component as necessary. FOLLOW the diagnostic tool directions for the ABS module configuration or REFER to INTAKE AIR, FUEL CHARGING, STARTING AND ENGINE ELECTRONICS - 4.0L SOHC or INTAKE AIR, FUEL CHARGING, STARTING AND ENGINE ELECTRONICS -4.6L (2V) for the PCM. CLEAR the DTC. REPEAT the self-test. |
| C1095 | ABS Hydraulic Pump Motor Circuit Failure | ABS Module | Go To PINPOINT TEST D . |
| C1145 | Wheel Speed Sensor RF Input Circuit Failure | ABS Module | Go To PINPOINT TEST F . |
| C1155 | Wheel Speed Sensor LF Input Circuit Failure | ABS Module | Go To PINPOINT TEST F . |
| C1165 | Wheel Speed Sensor RR Input Circuit Failure | ABS Module | Go To PINPOINT TEST E . |
| C1175 | Wheel Speed Sensor LR Input Circuit Failure | ABS Module | Go To PINPOINT TEST E . |
| C1233 | Wheel Speed LF Input Signal Missing | ABS Module | Go To PINPOINT TEST F . |
| C1234 | Wheel Speed RF Input Signal Missing | ABS Module | Go To PINPOINT TEST F . |
| C1235 | Wheel Speed RR Input Signal Missing | ABS Module | Go To PINPOINT TEST F . |
| C1236 | Wheel Speed LR Input Signal Missing | ABS Module | Go To PINPOINT TEST F . |
| C1277 | Steering Wheel Angle 1 and 2 Circuit Failure | ABS Module | Go To PINPOINT TEST G . |
| C1278 | Steering Wheel Angle 1 and 2 Signal Faulted | ABS Module | Go To PINPOINT TEST G . |
| C1279 | Yaw Rate Sensor Circuit Failure | ABS Module | Go To PINPOINT TEST H . |
| C1280 | Yaw Rate Sensor Signal Fault | ABS Module | Go To PINPOINT TEST H . |
| C1281 | Lateral Accelerometer Circuit Failure | ABS Module | Go To PINPOINT TEST H . |
| C1282 | Lateral Accelerometer Signal Fault | ABS Module | Go To PINPOINT TEST H . |
| C1285 | Booster Solenoid Circuit Failure | ABS Module | Go To PINPOINT TEST I . |
| C1287 | Booster Pedal Force Switch Circuit Failure | ABS Module | Go To PINPOINT TEST J . |
| C1288 | Brake Pressure Transducer Input Circuit Failure | ABS Module | Go To PINPOINT TEST K . |
| C1440 (ABS only) | Pressure Transducer Input Circuit Failure | ABS Module | Go To PINPOINT TEST P . |
| C1440 (ABS with Stability Assist) | Pressure Transducer Input Circuit Failure | ABS Module | Go To PINPOINT TEST K . |
| C1730 | Reference Voltage Out of Range (+5 V) | ABS Module | Go To PINPOINT TEST I . |
| C1805 | Mismatched PCM and/or ABS/TC Module | ABS Module | CHECK for correct PCM and ABS module configuration using the diagnostic tool. RECONFIGURE the component as necessary. FOLLOW the diagnostic tool directions for the ABS module configuration or REFER to INTAKE AIR, FUEL CHARGING, STARTING AND ENGINE ELECTRONICS - 4.0L SOHC or INTAKE AIR, FUEL CHARGING, STARTING AND ENGINE ELECTRONICS -4.6L (2V) for the PCM. CLEAR the DTC. REPEAT the self-test. |
| C1960 | Driver Brake Apply Circuit Fault | ABS Module | Go To PINPOINT TEST M . |
| C1963 | Stability Control Inhibit Warning | ABS Module | This DTC is for information only. CLEAR the DTC. REPEAT the self-test. |
| C1991 | Module Calibration Failure | ABS Module | Follow the diagnostic tool directions for the calibration procedure. |
| C1996 | Active Yaw Control Disabled | ABS Module | This DTC will be set if the stability assist system is activated for 15 seconds of continuous operation. CHECK for any major chassis modifications, gross suspension misalignment, or other items that can alter the vehicle tracking dynamics. CLEAR the DTC. REPEAT the self-test. |
| C1998 | Module Calibration Not Complete | ABS Module | Go To PINPOINT TEST Q . |
| C2769 (ABS only) | Longitudinal Acceleration Sensor Circuit Failure | ABS Module | CLEAR the DTC. REPEAT the self-test. If DTC C2769 is present, INSTALL a new ABS module. refer to ANTI-LOCK BRAKE SYSTEM (ABS) MODULE . |
| C2769 (ABS with stability assist) | Longitudinal Acceleration Sensor Circuit Failure | ABS Module | Go To PINPOINT TEST H . |
| C2770 (ABS with Stability Assist) | Longitudinal Acceleration Sensor Signal Fault | ABS Module | Go To PINPOINT TEST H . |
| C2770 (ABS only) | Longitudinal Acceleration Sensor Signal Fault | ABS Module | CLEAR the DTC. REPEAT the self-test. If DTC C2770 is present, INSTALL a new ABS module. refer to ANTI-LOCK BRAKE SYSTEM (ABS) MODULE . |
| C2777 | Sensor Cluster Bus Failure | ABS Module | Go To PINPOINT TEST H . |
| C2778 | Sensor Cluster Power Supply Failure | ABS Module | Go To PINPOINT TEST H . |
| U1900 | CAN Communication Bus Fault-Receive Error | Network Fault | MODULE COMMUNICATIONS NETWORK . |
| U1901 | CAN Network #2 Communication Bus Fault-Receive Error | Network Fault | Go To PINPOINT TEST H . |
| U2023 | Fault received from external node | Network Fault | MODULE COMMUNICATIONS NETWORK . |