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DTC Table

NOTE: If DTC B2900, C1805 and U1900 are set at the same time, diagnose the concern for U1900 first.
ABS MODULE DTC TABLE

DTC Description Source Action
B1342 ECU is Faulted ABS Module
NOTE: If other DTCs are present, REPAIR them before installing a new component.

CLEAR the DTCs. CYCLE the ignition switch. 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 A .
B1676 Battery Pack Voltage Out of Range ABS Module GO to PINPOINT TEST B .
B2477 Module Configuration Failure ABS Module RECONFIGURE the ABS module. REFER to Programmable Module Installation (PMI) in MODULE CONFIGURATION and follow the scan tool directions for the configuration procedure. CLEAR the DTC. REPEAT the self-test. If DTC B2477 returns, INSTALL a new ABS module. REFER to ANTI-LOCK BRAKE SYSTEM (ABS) MODULE .
B2741 Sensor Cluster Defective ABS Module GO to PINPOINT TEST G .
B2900 VIN  Mismatch (normally set when a new ABS module is installed) ABS Module GO to PINPOINT TEST L .
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 LF Input Signal Missing ABS Module GO to PINPOINT TEST E .
C1234 Wheel Speed RF Input Signal Missing ABS Module GO to PINPOINT TEST E .
C1235 Wheel Speed RR Input Signal Missing ABS Module GO to PINPOINT TEST E .
C1236 Wheel Speed LR Input Signal Missing ABS Module GO to PINPOINT TEST E .
C1277 Steering Wheel Angle 1 and 2 Circuit Failure ABS Module GO to PINPOINT TEST F .
C1278 Steering Wheel Angle 1 and 2 Signal Faulted ABS Module GO to PINPOINT TEST F .
C1279 Yaw Rate Sensor Circuit Failure ABS Module GO to PINPOINT TEST K .
C1280 Yaw Rate Sensor Signal Fault ABS Module GO to PINPOINT TEST K .
C1281 Lateral Accelerometer Circuit Failure ABS Module GO to PINPOINT TEST K .
C1282 Lateral Accelerometer Signal Fault ABS Module GO to PINPOINT TEST K .
C1285 Booster Solenoid Circuit Failure ABS Module GO to PINPOINT TEST H .
C1287 Booster Pedal Force Switch Circuit Failure ABS Module GO to PINPOINT TEST I .
C1288 Pressure Transducer Main/Primary Input Circuit Failure ABS Module GO to PINPOINT TEST J .
C1440 Pressure Transducer Main/Primary Signal Faulted ABS Module GO to PINPOINT TEST J .
C1470 TCS Function Temperature Disabled (the brake fluid temperature is above a pre-set limit) ABS Module CLEAR the DTC. ALLOW the fluid time to cool. VERIFY ABS operation.
C1516 Roll Rate Sensor Signal Fault ABS Module GO to PINPOINT TEST K .
C1517 Roll Rate Sensor Circuit Fault ABS Module GO to PINPOINT TEST K .
C1805 Mismatched PCM and/or ABS-TC Module ABS Module CHECK for correct PCM and ABS module configurations using the scan tool. CONFIGURE the component as necessary. REFER to Programmable Module Installation (PMI) in MODULE CONFIGURATION and follow the scan tool directions for the configuration procedure. CLEAR the DTC. REPEAT the self-test.
C1963 Stability Control Inhibit Warning ABS Module
NOTE: This DTC will not clear until the vehicle has been driven above 48 km/h (30 mph) with input from the steering wheel rotation sensor.

REPAIR all other DTCs before repairing DTC C1963.

GO to PINPOINT TEST F .
C1991 Module Calibration Failure ABS Module CLEAR the DTC. REPEAT the self-test. If DTC C1991 is present, INSTALL a new ABS module. REFER to ANTI-LOCK BRAKE SYSTEM (ABS) MODULE .
C1996 Active Yaw and/or Roll Control Disabled ABS Module GO to PINPOINT TEST M .
C2769 Longitudinal Acceleration Sensor Electrical Failure ABS Module GO to PINPOINT TEST K .
C2770 Longitudinal Acceleration Sensor Plausibility Failure ABS Module GO to PINPOINT TEST K .
C2777 Sensor Cluster Bus Failure ABS Module GO to PINPOINT TEST G .
C2778 Sensor Cluster Power Supply Failure ABS Module GO to PINPOINT TEST G .
U1900 CAN  Communication Bus Fault-Receive Error Network Fault REFER to MODULE COMMUNICATIONS NETWORK to diagnose the High Speed Controller Area Network (HS-CAN) bus.
U1901 CAN  Network #2 Communication Bus Fault-Receive Error Network Fault GO to PINPOINT TEST G .
U2023 Fault Received From External Node Network Fault REFER to MODULE COMMUNICATIONS NETWORK to diagnose the HS-CAN  bus.
U2050 No Application Present ABS Module CONFIGURE the ABS module. REFER to Programmable Module Installation (PMI) in MODULE CONFIGURATION and follow the scan tool directions for the configuration procedure. 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.
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