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ABS Module DTC Chart

ABS MODULE DIAGNOSTIC TROUBLE CODE (DTC) LIST

DTC Description Action
B1342 ECU  is Defective
NOTE: If other DTCs are present, REPAIR them before installing a new component.
CLEAR the DTCs. REPEAT the self-test. If DTC B1342 is retrieved, INSTALL a new module. REFER to ANTI-LOCK BRAKE SYSTEM (ABS) MODULE in this service information. REPEAT the self-test.
B1483 Brake Pedal Input Circuit Failure The ABS module receives the brake pedal position switch signal from the Smart Junction Box (SJB) along the High Speed Controller Area Network (HS-CAN) bus. The ABS module compares the brake pedal position message to the signal from the brake pressure transducer (internal to the ABS module). If the brake pedal position message does not agree with the brake pressure signal, DTC B1483 sets. CHECK for communication DTCs, REFER to MODULE COMMUNICATIONS NETWORK article. If there are no communication DTCs, CHECK for DTCs in the SJB. REFER to MULTIFUNCTION ELECTRONIC MODULE article.
B1676 Battery Pack Voltage Out of Range GO to PINPOINT TEST A .
B2477 Module Configuration Failure CONFIGURE the ABS module. REFER to Programmable Module Installation (PMI) in MODULE CONFIGURATION article.
B2741 Sensor Cluster is Defective
NOTE: The stability control sensors are internal to the Restraints Control Module (RCM) and cannot be serviced separately. If a new yaw rate sensor, roll rate sensor, longitudinal accelerometer or lateral accelerometer are needed, a new RCM  must be installed.
CLEAR the DTCs. REPEAT the self-test. If B2471 returns, install a new RCM. REFER to SUPPLEMENTAL RESTRAINT SYSTEM . article
B2900 VIN  Mismatched (normally set when a new ABS module is installed) GO to PINPOINT TEST F .
C1095 ABS Hydraulic Pump Motor Circuit Failure GO to PINPOINT TEST B .
C1145 Wheel Speed Sensor RF Input Circuit Failure GO to PINPOINT TEST C .
C1155 Wheel Speed Sensor LF Input Circuit Failure GO to PINPOINT TEST C .
C1165 Wheel Speed Sensor RR Input Circuit Failure GO to PINPOINT TEST C .
C1175 Wheel Speed Sensor LR Input Circuit Failure GO to PINPOINT TEST C .
C1233 Wheel Speed LF Input Signal Missing GO to PINPOINT TEST D .
C1234 Wheel Speed RF Input Signal Missing GO to PINPOINT TEST D .
C1235 Wheel Speed RR Input Signal Missing GO to PINPOINT TEST D .
C1236 Wheel Speed LR Input Signal Missing GO to PINPOINT TEST D .
C1277 Steering Wheel Angle 1 and 2 Circuit Failure GO to PINPOINT TEST I .
C1278 Steering Wheel Angle 1 and 2 Signal Faulted GO to PINPOINT TEST I .
C1280 Yaw Rate Sensor Signal Fault
NOTE: The yaw rate sensor is integral to the RCM  and cannot be serviced separately. If a new yaw rate sensor is needed, a new RCM  must be installed.
REFER to Restraints Control Module (RCM) Removal and Installation in SUPPLEMENTAL RESTRAINT SYSTEM article. ADHERE to all safety warnings in the procedure.INSPECT the RCM  for damage. VERIFY that all RCM  fasteners are tightened to their correct specification. CLEAR the DTCs. TEST DRIVE the vehicle at speeds above 20 km/h (12 mph). REPEAT the self-test.If DTC C1280 returns, INSTALL a new RCM  . REFER to SUPPLEMENTAL RESTRAINT SYSTEM article.
C1282 Lateral Accelerometer Signal Fault
NOTE: The lateral acceleration sensor is integral to the RCM  and cannot be serviced separately. If a new lateral acceleration sensor is needed, a new RCM  must be installed.
REFER to Restraints Control Module (RCM) Removal and Installation in SUPPLEMENTAL RESTRAINT SYSTEM article. ADHERE to all safety warnings in the procedure.INSPECT the RCM  for damage. VERIFY that all RCM  fasteners are tightened to their correct specification. CLEAR the DTCs. TEST DRIVE the vehicle at speeds above 20 km/h (12 mph). REPEAT the self-test.If DTC C1282 returns, INSTALL a new RCM  . REFER to SUPPLEMENTAL RESTRAINT SYSTEM article.
C1288 Brake Pressure Transducer Input Circuit Failure GO to PINPOINT TEST Y .
C1440 Pressure Transducer Main/Primary Signal Failure GO to PINPOINT TEST Y .
C1470 TCS Function Temporarily Disabled (Thermal Brake Protection) If other DTCs are retrieved along with this DTC, DIAGNOSE them first. CLEAR the DTC. VERIFY ABS operation.
C1516 Roll Rate Signal Fault
NOTE: The roll rate sensor is integral to the RCM  and cannot be serviced separately. If a new roll rate sensor is needed, a new RCM  must be installed.
REFER to Restraints Control Module (RCM) Removal and Installation in SUPPLEMENTAL RESTRAINT SYSTEM article. ADHERE to all safety warnings in the procedure.INSPECT the RCM  for damage. VERIFY that all RCM  fasteners are tightened to their correct specification. CLEAR the DTCs. TEST DRIVE the vehicle at speeds above 20 km/h (12 mph). REPEAT the self-test.If DTC C1516 returns, INSTALL a new RCM  . REFER to SUPPLEMENTAL RESTRAINT SYSTEM article.
C1805 Mismatched PCM and/or ABS Module GO to PINPOINT TEST F .
C1963 Stability Control Inhibit Warning This DTC is for information only. CHECK for DTCs in the Power Steering Control Module (PSCM). REFER to STEERING SYSTEM article. REPAIR as necessary. If no DTCs are present in the EPAS  module, CLEAR the DTC. REPEAT the self-test.
C1991 Module Calibration Failure Using the scan tool, CARRY OUT the IVD Initialization sequence. CLEAR the DTCs. REPEAT the self-test.
C1996 Active Yaw Control Disabled GO to PINPOINT TEST G .
C2770 Longitudinal Acceleration Sensor Signal Fault
NOTE: The longitudinal acceleration sensor is integral to the RCM  and cannot be serviced separately. If a new longitudinal acceleration sensor is needed, a new RCM  must be installed.
REFER to Restraints Control Module (RCM) Removal and Installation in SUPPLEMENTAL RESTRAINT SYSTEM article. ADHERE to all safety warnings in the procedure.INSPECT the RCM  for damage. VERIFY that all RCM  fasteners are tightened to their correct specification. CLEAR the DTCs. TEST DRIVE the vehicle at speeds above 20 km/h (12 mph). REPEAT the self-test.If DTC C2770 returns, INSTALL a new RCM  . REFER to SUPPLEMENTAL RESTRAINT SYSTEM article.
C2777 Sensor Cluster Bus Failure GO to PINPOINT TEST E .
C2778 Sensor Cluster Power Supply Failure CLEAR the DTCs. REPEAT the self-test. If C2778 is present, INSTALL a new ABS module. REFER to ANTI-LOCK BRAKE SYSTEM (ABS) MODULE in this service information.
U0001 High Speed CAN  Communication Bus REFER to MODULE COMMUNICATIONS NETWORK article to diagnose the HS-CAN  bus.
U0100 Lost Communication with ECM  /PCM REPAIR all other DTCs first. If DTC U0100 is still present, REFER to MODULE COMMUNICATIONS NETWORK article to diagnose the HS-CAN  bus.
U0114 Lost Communication with Four-Wheel Drive Clutch Control Module REPAIR all other DTCs first. If DTC U0114 is still present, REFER to MODULE COMMUNICATIONS NETWORK article to diagnose the HS-CAN  bus.
U0140 Lost Communication with Body Control Module REPAIR all other DTCs first. If DTC U0140 is still present, REFER to MODULE COMMUNICATIONS NETWORK article to diagnose the HS-CAN  bus.
U0151 Lost Communication With Restraints Control Module GO to PINPOINT TEST E .
U0155 Lost Communication with Instrument Panel Cluster (IPC) Control Module REPAIR all other DTCs first. If DTC U0155 is still present, REFER to MODULE COMMUNICATIONS NETWORK article to diagnose the HS-CAN  bus.
U0401 Invalid Data Received From ECM  /PCM If other DTCs are present along with U0401, REPAIR those DTCs first. If U0401 is the only DTC present, CARRY OUT the PCM self-test, RETRIEVE and RECORD any DTCs. REFER to the INTRODUCTION article to diagnose the PCM.
U0402 Invalid Data Received From Transmission Control Module If other DTCs are present along with U0402, REPAIR those DTCs first. If U0402 is the only DTC present, CARRY OUT the PCM self-test, RETRIEVE and RECORD any DTCs. REFER to the INTRODUCTION article to diagnose the Transmission Control Module (TCM).
U0414 Invalid Data Received From Four-Wheel Drive Clutch Control Module If other DTCs are present along with U0414, REPAIR those DTCs first. If U0414 is the only DTC present, CARRY OUT the PCM self-test, RETRIEVE and RECORD any DTCs. REFER to the INTRODUCTION article to diagnose the TCM  .
U0452 Invalid Data Received From Restraints Control Module (RCM) GO to PINPOINT TEST E .
U1901 CAN  Network #2 Communication Bus Fault-Receive Error GO to PINPOINT TEST E .
U2050 No Application Present CONFIGURE the ABS module. REFER to Programmable Module Installation (PMI) in MODULE CONFIGURATION article. 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 in this service information. CLEAR the DTC. REPEAT the self-test.
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