ABS Module DTC Chart

NOTE: Refer to DESCRIPTION AND OPERATION , Intelligent Access (IA) with Push Button Start in ANTI-THEFT - PASSIVE ANTI-THEFT SYSTEM (PATS) to review the procedures for achieving the various ignition states (ignition in accessory, ignition on, ignition start, ignition off) on vehicles with this feature.

ABS MODULE DTC CHART

DTC	Description	Source	Action
B1342	ECU is Faulted	ABS Module	CLEAR the DTCs. REPEAT the self-test. 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.
B1596	Service Continuous Codes	ABS Module	This DTC is only an indicator that other DTCs are present. This DTC will set after clearing DTCs with the scan tool. An ignition key-cycle from OFF to RUN is required to set this DTC as a Continuous Memory Diagnostic Trouble Code (CMDTC) which will allow the ABS module to check for other on-demand DTCs. CLEAR the DTCs. CYCLE the ignition switch. RETRIEVE the DTCs. If only DTC B1596 is present, 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 A .
B2477	Module Configuration Failure	ABS Module	CONFIGURE the ABS module using as-built data and correct tire size. REFER to Programmable Module Installation (PMI) in MODULE CONFIGURATION . CYCLE the ignition switch and REPEAT the self test. If DTC B2477 is retrieved again, INSTALL a new ABS module. REFER to ANTI-LOCK BRAKE SYSTEM (ABS) MODULE . REPEAT the self-test.
B2900	VIN Mismatched	ABS Module	Go To PINPOINT TEST F .
C1145	Wheel Speed Sensor RF Input Circuit Failure	ABS Module	Go To PINPOINT TEST B .
C1155	Wheel Speed Sensor LF Input Circuit Failure	ABS Module	Go To PINPOINT TEST B .
C1165	Wheel Speed Sensor RR Input Circuit Failure	ABS Module	Go To PINPOINT TEST B .
C1175	Wheel Speed Sensor LR Input Circuit Failure	ABS Module	Go To PINPOINT TEST B .
C1222	Wheel Speed Sensor Mismatch	ABS Module	Go To PINPOINT TEST C .
C1266	ABS Valve Power Relay Circuit Failure	ABS Module	Go To PINPOINT TEST D .
C1278	Steering Wheel Angle 1 and 2 Signal Faulted	ABS Module	Go To PINPOINT TEST H .
C1279	Yaw Rate Sensor Circuit Failure	ABS Module	Go To PINPOINT TEST I .
C1280	Yaw Rate Sensor Signal Fault	ABS Module	Go To PINPOINT TEST I .
C1281	Lateral Acceleration Sensor Circuit Fault	ABS Module	Go To PINPOINT TEST I .
C1282	Lateral Accelerometer Signal Fault	ABS Module	Go To PINPOINT TEST I .
C1288	Pressure Transducer Main/Primary Input Circuit Failure	ABS Module	Go To PINPOINT TEST J .
C1296	Wheel Speed LF Signal Fault	ABS Module	Go To PINPOINT TEST C .
C1297	Wheel Speed RF Signal Fault	ABS Module	Go To PINPOINT TEST C .
C1298	Wheel Speed RR Signal Fault	ABS Module	Go To PINPOINT TEST C .
C1299	Wheel Speed LR Signal Fault	ABS Module	Go To PINPOINT TEST C .
C1300	ABS Hydraulic Pump Motor Circuit Failure	ABS Module	Go To PINPOINT TEST E .
C1440	Pressure Transducer Main/Primary Signal Faulted	ABS Module	Go To PINPOINT TEST J .
C1446	Brake ON/OFF Plausibility Fault(s)	ABS Module	Go To PINPOINT TEST J .
C1484	Brake ON/OFF Electrical Fault	ABS Module	Go To PINPOINT TEST J .
C1805	Mismatched PCM and/or ABS-TC Module	ABS Module	CONFIGURE the ABS module using as-built data and correct tire size. REFER to Programmable Module Installation (PMI) in MODULE CONFIGURATION . CYCLE the ignition switch and REPEAT the self test. If DTC C1805 is retrieved again, INSTALL a new ABS module. REFER to ANTI-LOCK BRAKE SYSTEM (ABS) MODULE . REPEAT the self-test.
C1956	Steering Angle Sensor Circuit Failure	ABS Module	Go To PINPOINT TEST H .
C1963	Stability Assist 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. NOTE: REPAIR all other steering wheel angle sensor and stability control sensor cluster DTCs before repairing DTC C1963. Go To PINPOINT TEST H .
C1975	IVD Plausibility Failure	ABS Module	NOTE: REPAIR all other steering wheel angle sensor and stability control sensor cluster DTCs before repairing DTC C1975. Go To PINPOINT TEST H .
C2769	Longitudinal Acceleration Sensor Circuit Fault	ABS Module	Go To PINPOINT TEST I .
C2770	Longitudinal Acceleration Sensor Signal Fault	ABS Module	Go To PINPOINT TEST I .
U0073	Control Module Communication Bus A Off	ABS Module	REFER to MODULE COMMUNICATIONS NETWORK to diagnose the no communication concern.
U0074	Control Module Communication Bus B Off	ABS Module	Go To PINPOINT TEST I .
U0100	Lost Communication With ECM /PCM	ABS Module	REFER to MODULE COMMUNICATIONS NETWORK to diagnose the no communication concern.
U0155	Lost Communication With Instrument Panel Cluster Control Module	ABS Module	REFER to MODULE COMMUNICATIONS NETWORK to diagnose the no communication concern.
U0102	Lost Communication With Transfer Case Control Module	ABS Module	REFER to MODULE COMMUNICATIONS NETWORK to diagnose the no communication concern.
U0405	Invalid Data Received from Cruise Control Module	ABS Module	REFER to SPEED CONTROL to diagnose the speed control system.
U2023	Fault Received From External Node	ABS Module	If any other communication DTCs are present in the ABS module, DIAGNOSE those first. CLEAR all ABS module DTCs. DRIVE the vehicle. If the DTC is still present, INSTALL a new ABS module. REFER to ANTI-LOCK BRAKE SYSTEM (ABS) MODULE .
U2050	No Application Present	ABS Module	CONFIGURE the ABS module. REFER to Programmable Module Installation (PMI) in MODULE CONFIGURATION . CLEAR the DTCs. RETRIEVE the DTCs. 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.
U2515	Missing message for Adaptive Cruise Control	ABS Module	REFER to MODULE COMMUNICATIONS NETWORK to diagnose the no communication concern.