Vehicle Dynamic Systems DTCS
ANTI-LOCK BRAKE SYSTEM (ABS) MODULE DIAGNOSTIC TROUBLE CODE (DTC) LIST (1 OF 2)
| DTC | Description | Source | Perform Test |
|---|---|---|---|
| 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 again, INSTALL a new ABS module. REFER to ANTI-LOCK BRAKE SYSTEM (ABS) MODULE
. REPEAT the self-test.
|
| B1676 | Battery Pack Voltage Out of Range | ABS Module | GO to PINPOINT TEST B . |
| B2477 | Module Configuration Failure | ABS Module | Follow the diagnostic tool directions for the configuration procedure. |
| B2900 | VIN Mismatched | ABS Module | VERIFY that the module has the correct as-built data. |
| C1095 | ABS Hydraulic Pump Motor Circuit Failure | ABS Module | GO to PINPOINT TEST C . |
| C1145 | Wheel Speed Sensor RF Input Circuit Failure | ABS Module | GO to PINPOINT TEST D . |
| C1155 | Wheel Speed Sensor LF Input Circuit Failure | ABS Module | GO to PINPOINT TEST D . |
| C1165 | Wheel Speed Sensor RR Input Circuit Failure | ABS Module | GO to PINPOINT TEST D . |
| C1175 | Wheel Speed Sensor LR Input Circuit Failure | ABS Module | GO to PINPOINT TEST D . |
| C1233 | Wheel Speed Sensor LF Input Signal Missing | ABS Module | GO to PINPOINT TEST E . |
| C1234 | Wheel Speed Sensor RF Input Signal Missing | ABS Module | GO to PINPOINT TEST E . |
| C1235 | Wheel Speed Sensor RR Input Signal Missing | ABS Module | GO to PINPOINT TEST E . |
| C1236 | Wheel Speed Sensor LR Input Signal Missing | ABS Module | GO to PINPOINT TEST E . |
| U1900 | CAN Communication Bus Fault-Receive Error | Network Fault | MODULE COMMUNICATIONS NETWORK . |
| U2023 | Fault Received From External Node | Network Fault | MODULE COMMUNICATIONS NETWORK . |
| U2050 | No Application Present | ABS Module | CONFIGURE the ABS module. REFER to MODULE CONFIGURATION . CLEAR the DTCs. RETRIEVE the DTCs and VERIFY successful module configuration. If DTC U2050 is retrieved again, INSTALL a new ABS module. REFER to ANTI-LOCK BRAKE SYSTEM (ABS) MODULE . CLEAR the DTC. REPEAT the self-test. |
| U2051 | One or More Calibration Files Missing or Corrupt | ABS Module | CALIBRATE the ABS module, follow the directions on the scan tool. CLEAR the DTCs. CARRY OUT the ABS module self-test. RETRIEVE and RECORD any DTCs. If DTC U2051 is retrieved again, INSTALL a new ABS module. REFER to ANTI-LOCK BRAKE SYSTEM (ABS) MODULE . CLEAR the DTC. REPEAT the self-test. |
ANTI-LOCK BRAKE SYSTEM (ABS) MODULE DIAGNOSTIC TROUBLE CODE (DTC) LIST (2 OF 2)
| DTC | Description | Source | Perform Test |
|---|---|---|---|
| B1317 | Battery Voltage High | ABS Module | GO to PINPOINT TEST G . |
| B1318 | Battery Voltage Low | ABS Module | GO to PINPOINT TEST G . |
| B1342 | ECU is Defective | ABS Module |
NOTE:
If other DTCs are present, REPAIR them before installing a new component. DISCONNECT the 12-volt battery negative cable for 1 minute. CONNECT the 12-volt battery negative cable and CLEAR the DTCs. RETRIEVE the DTCs. If DTC B1342 is retrieved again, INSTALL a new ABS module. REFER to ANTI-LOCK BRAKE SYSTEM (ABS) MODULE
. REPEAT the self-test.
|
| B2477 | Module Configuration Failure | ABS Module | REFER to MODULE CONFIGURATION . |
| B2741 | Sensor Cluster Loop End | ABS Module | INSTALL new sensor cluster. REFER to ACCELEROMETER - HYBRID . FOLLOW the diagnostic tool directions for the calibration procedure. |
| B2900 | VIN Mismatched | ABS Module | VERIFY the module has the correct as-built data. REFER to MODULE CONFIGURATION . CHECK for correct powertrain control module (PCM) and ABS module configuration using the diagnostic tool. RECONFIGURE the components as necessary. FOLLOW the diagnostic tool directions. CLEAR the DTCs. REPEAT the self-test. |
| C1095 | ABS Hydraulic Pump Motor Circuit Failure | ABS Module | Cycle the ignition switch. CLEAR the DTCs. With the ignition in the RUN position, fully press and release the brake pedal at least 10 times to activate the hydraulic pump motor. CARRY OUT the on-demand self test. Retrieve the DTCs. If DTC C1095 is present, INSTALL a new hydraulic control unit. REFER to HYDRAULIC CONTROL UNIT (HCU) - HYBRID . TEST the system for normal operation. |
| C1141 | Wheel Speed Sensor LF Tone Ring Tooth Missing Fault | ABS Module | GO to PINPOINT TEST I . |
| C1142 | Wheel Speed Sensor RF Tone Ring Tooth Missing Fault | ABS Module | GO to PINPOINT TEST I . |
| C1143 | Wheel Speed Sensor LR Tone Ring Tooth Missing Fault | ABS Module | GO to PINPOINT TEST I . |
| C1144 | Wheel Speed Sensor RR Tone Ring Tooth Missing Fault | ABS Module | GO to PINPOINT TEST I . |
| C1145 | Wheel Speed Sensor RF Input Circuit Failure | ABS Module | GO to PINPOINT TEST H . |
| C1155 | Wheel Speed Sensor LF Input Circuit Failure | ABS Module | GO to PINPOINT TEST H . |
| C1165 | Wheel Speed Sensor RR Input Circuit Failure | ABS Module | GO to PINPOINT TEST H . |
| C1175 | Wheel Speed Sensor LR Input Circuit Failure | ABS Module | GO to PINPOINT TEST H . |
| C1233 | Wheel Speed LF Input Signal Missing | ABS Module | GO to PINPOINT TEST I . |
| C1234 | Wheel Speed RF Input Signal Missing | ABS Module | GO to PINPOINT TEST I . |
| C1235 | Wheel Speed RR Input Signal Missing | ABS Module | GO to PINPOINT TEST I . |
| C1236 | Wheel Speed LR Input Signal Missing | ABS Module | GO to PINPOINT TEST I . |
| C1305 | Longitudinal Acceleration Sensor Signal Fault | ABS Module | GO to PINPOINT TEST J . |
| C1473 | Brake System Valves Calibration Data Failure | ABS Module | Using the scan tool, CARRY OUT the Brake System Air Bleed Check. CYCLE the ignition switch and CLEAR all DTCs. CARRY OUT the ABS module self-test. If DTC C1473 is still present, CARRY OUT the Brake System Service Bleed. REFER to BRAKE SYSTEM-GENERAL INFORMATION . CYCLE the ignition switch and CLEAR all DTCs. CARRY OUT the ABS module self-test. If DTC C1473 is still present, INSTALL a new hydraulic control unit (HCU). REFER to HYDRAULIC CONTROL UNIT (HCU) . |
| C1998 | Module Calibration Not Complete | ABS Module | Follow the diagnostic tool directions for the calibration procedure. |
| C2768 | Longitudinal Acceleration Sensor Electrical Failure | ABS Module | GO to PINPOINT TEST J . |
| C2769 | Longitudinal Acceleration Sensor Circuit Failure | ABS Module | GO to PINPOINT TEST J . |
| C2778 | Sensor Cluster Power Supply Failure | ABS Module | GO to PINPOINT TEST J . |
| C2783 | Sensor Cluster Incorrect | ABS Module | GO to PINPOINT TEST J . |
| U1901 | CAN Network #2 Communication Bus Fault - Receive Error | ABS Module | GO to PINPOINT TEST J . |
| U2060 | ECU Redundant Power Circuit Open | ABS Module | GO to PINPOINT TEST F . |
| U2062 | ECU Redundant Ground Circuit Open | ABS Module | DISCONNECT and CLEAN the eyelets and studs of grounds G102 and G104. INSPECT ABS module C1462 for corrosion, pushed-out pins and spread terminals. REPAIR or INSTALL new as necessary. CONNECT C1462 and VERIFY that it is fully seated. CLEAR the DTC and CARRY OUT the self-test. If the DTC returns, GO to PINPOINT TEST F . |
| U2527 | CAN Network #2 Communication Bus Off - Transmit Error | ABS Module | GO to PINPOINT TEST J . |