Antilock Brake System (Abs) - Electrical Diagnostics

• Diagnostic Code Index
• DTC Troubleshooting
  • C100A-Left Front Wheel Speed Sensor Circuit
    • Notes
    • When Monitored:
    • Set Condition:
    • Possible Causes
    • Diagnostic Test
  • C1011-Left Front Wheel Speed Sensor Signal Erratic Performance
    • Notes
    • When Monitored:
    • Set Condition:
    • Possible Causes
    • Diagnostic Test
  • C1014-Left Front Wheel Speed Comparative Performance
    • Notes
    • When Monitored:
    • Set Condition:
    • Possible Causes
    • Diagnostic Test
  • C1015-Right Front Wheel Speed Sensor Circuit
    • Notes
    • When Monitored:
    • Set Condition:
    • Possible Causes
    • Diagnostic Test
  • C101C-Right Front Wheel Speed Sensor Signal Erratic Performance
    • Notes
    • When Monitored:
    • Set Condition:
    • Possible Causes
    • Diagnostic Test
  • C101F-Right Front Wheel Speed Comparative Performance
    • Notes
    • When Monitored:
    • Set Condition:
    • Possible Causes
    • Diagnostic Test
  • C1020-Left Rear Wheel Speed Sensor Circuit
    • Notes
    • When Monitored:
    • Set Condition:
    • Possible Causes
    • Diagnostic Test
  • C1027-Left Rear Wheel Speed Sensor Signal Erratic Performance
    • Notes
    • When Monitored:
    • Set Condition:
    • Possible Causes
    • Diagnostic Test
  • C102A-Left Rear Wheel Speed Comparative Performance
    • Notes
    • When Monitored:
    • Set Condition:
    • Possible Causes
    • Diagnostic Test
  • C102B-Right Rear Wheel Speed Sensor Circuit
    • Notes
    • When Monitored:
    • Set Condition:
    • Possible Causes
    • Diagnostic Test
  • C102C-Right Rear Wheel Speed Sensor Circuit Performance
    • Notes
    • When Monitored:
    • Set Condition:
    • Possible Causes
    • Diagnostic Test
  • C1032-Right Rear Wheel Speed Sensor Signal Erratic Performance
    • Notes
    • When Monitored:
    • Set Condition:
    • Possible Causes
    • Diagnostic Test
  • C1035-Right Rear Wheel Speed Comparative Performance
    • Notes
    • When Monitored:
    • Set Condition:
    • Possible Causes
    • Diagnostic Test
  • C1038-Rear Wheel Speed Sensor Circuit Low
    • Notes
    • When Monitored:
    • Set Condition:
    • Possible Causes
    • Diagnostic Test
  • C1039-Rear Wheel Speed Sensor Circuit High
    • Notes
    • When Monitored:
    • Set Condition:
    • Possible Causes
    • Diagnostic Test
  • C1041-Left Front Tone Wheel Performance
    • Notes
    • When Monitored:
    • Set Condition:
    • Possible Causes
    • Diagnostic Test
  • C1042-Right Front Tone Wheel Performance
    • Notes
    • When Monitored:
    • Set Condition:
    • Possible Causes
    • Diagnostic Test
  • C1043-Left Rear Tone Wheel Performance
    • Notes
    • When Monitored:
    • Set Condition:
    • Possible Causes
    • Diagnostic Test
  • C1044-Right Rear Tone Wheel Performance
    • Notes
    • When Monitored:
    • Set Condition:
    • Possible Causes
    • Diagnostic Test
  • C1046-Left Front Wheel Pressure Phase Monitoring
    • Notes
    • When Monitored:
    • Set Condition:
    • Possible Causes
    • Diagnostic Test
  • C1047-Right Front Wheel Pressure Phase Monitoring
    • Notes
    • When Monitored:
    • Set Condition:
    • Possible Causes
    • Diagnostic Test
  • C1048-Left Rear Wheel Pressure Phase Monitoring
    • Notes
    • When Monitored:
    • Set Condition:
    • Possible Causes
    • Diagnostic Test
  • C1049-Right Rear Wheel Pressure Phase Monitoring
    • Notes
    • When Monitored:
    • Set Condition:
    • Possible Causes
    • Diagnostic Test
  • C1073-Abs Pump Motor Control Circuit
    • Notes
    • When Monitored:
    • Set Condition:
    • Possible Causes
    • Diagnostic Test
  • C1078-Tire Revolutions Range Performance
    • Notes
    • When Monitored:
    • Set Condition:
    • Possible Causes
    • Diagnostic Test
  • C107C-Brake Pedal Switch 1/2 Stuck
    • Notes
    • Diagnostic Test
  • C107D-Brake Pedal Switch 1/2 Correlation
    • Notes
    • Diagnostic Test
  • C1090-Abs Brake Lamp Control Circuit Low
    • Notes
    • When Monitored:
    • Set Condition:
    • Possible Causes
    • Diagnostic Test
  • C1091-Abs Brake Lamp Control Circuit High
    • Notes
    • When Monitored:
    • Set Condition:
    • Possible Causes
    • Diagnostic Test
  • C1210-G Sensor Input Circuit Performance
    • Notes
    • When Monitored:
    • Set Condition:
    • Possible Causes
    • Diagnostic Test
  • C1219-Steering Angle Sensor Erratic Performance
    • Notes
    • When Monitored:
    • Set Condition:
    • Possible Causes
    • Diagnostic Test
  • C121A-Steering Angle Sensor Not Initialized
    • Notes
    • When Monitored:
    • Set Condition:
    • Possible Causes
  • C121C-Torque Request Signal Denied
    • Notes
    • When Monitored:
    • Set Condition:
    • Possible Causes
    • Diagnostic Test
  • C121D-Brake Pressure Sensor Circuit
    • Notes
    • When Monitored:
    • Set Condition:
    • Possible Causes
    • Diagnostic Test
  • C121E-Brake Pressure Sensor Comparative Performance
    • Notes
    • When Monitored:
    • Set Condition:
    • Possible Causes
    • Diagnostic Test
  • C1221-Brake Pressure Sensor/ACCEL Pedal Position Sensor Correlation
    • Notes
    • When Monitored:
    • Set Condition:
    • Possible Causes
    • Diagnostic Test
  • C1231-Drive Test: Steering Angle Sensor
    • Notes
    • When Monitored:
    • Set Condition:
    • Possible Causes
    • Diagnostic Test
  • C1232-Drive Test: Pressure Sensor
    • Notes
    • When Monitored:
    • Set Condition:
    • Possible Causes
    • Diagnostic Test
  • C1234-Drive Test: Sensor Cluster Installation
    • Notes
    • When Monitored:
    • Set Condition:
    • Possible Causes
    • Diagnostic Test
  • C1238-Drive Test: Unsuccessful
    • Notes
    • When Monitored:
    • Set Condition:
    • Possible Causes
    • Diagnostic Test
  • C123A-Esp System Sensors Calibration
    • Notes
    • When Monitored:
    • Set Condition:
    • Possible Causes
    • Diagnostic Test
  • C123B-Esp System Control Too Long
    • Notes
    • When Monitored:
    • Set Condition:
    • Possible Causes
    • Diagnostic Test
  • C123C-Dynamics Sensor Mounting/Installation Performance
    • Notes
    • When Monitored:
    • Set Condition:
    • Possible Causes
    • Diagnostic Test
  • C123F-Steering Angle Sensor Comparative Performance
    • Notes
    • When Monitored:
    • Set Condition:
    • Possible Causes
    • Diagnostic Test
  • C1240-Steering Angle Sensor OVERTRAVEL Performance
    • Notes
    • When Monitored:
    • Set Condition:
    • Possible Causes
    • Diagnostic Test
  • C1242-G Sensor Input Signal Performance
    • Notes
    • When Monitored:
    • Set Condition:
    • Possible Causes
    • Diagnostic Test
  • C1243-G Sensor Not Initialized
    • Notes
    • When Monitored:
    • Set Condition:
    • Possible Causes
    • Diagnostic Test
  • C2100-Battery Voltage Low
    • Notes
    • When Monitored:
    • Set Condition:
    • Possible Causes
    • Diagnostic Test
  • C2101-Battery Voltage High
    • Notes
    • When Monitored:
    • Set Condition:
    • Possible Causes
    • Diagnostic Test
  • C2114-Dynamics Sensor Supply Voltage Low
    • Notes
    • When Monitored:
    • Set Condition:
    • Possible Causes
    • Diagnostic Test
  • C2115-Dynamics Sensor Supply Voltage High
    • Notes
    • When Monitored:
    • Set Condition:
    • Possible Causes
    • Diagnostic Test
  • C2116-Abs Pump Motor Supply Low Voltage
    • Notes
    • When Monitored:
    • Set Condition:
    • Possible Causes
    • Diagnostic Test
  • C2200-Anti-Lock Brake Module Internal
    • Notes
    • When Monitored:
    • Set Condition:
    • Possible Causes
    • Diagnostic Test
  • C2204-Dynamics Sensor Internal
    • Notes
    • When Monitored:
    • Set Condition:
    • Possible Causes
    • Diagnostic Test
  • C2205-Steering Angle Sensor Internal
    • Notes
    • When Monitored:
    • Set Condition:
    • Possible Causes
    • Diagnostic Test
  • C2206-Vehicle Configuration Mismatch
    • Notes
    • When Monitored:
    • Set Condition:
    • Possible Causes
    • Diagnostic Test
  • C2312-TCS/Esp Switch Stuck
    • Notes
    • When Monitored:
    • Set Condition:
    • Possible Causes
    • Diagnostic Test
  • U0002-Can C Bus Off Performance
    • Notes
    • When Monitored:
    • Set Condition:
    • Possible Causes
    • Diagnostic Test
  • U0100-Lost Communication With The ECM/Pcm
    • Notes
    • When Monitored:
    • Set Condition:
    • Possible Causes
    • Diagnostic Test
  • U0101-Lost Communication With TCM
    • Notes
    • Set Condition:
    • Possible Causes
    • Diagnostic Test
  • U0114-Lost Communication With Final Drive Module
    • Notes
    • Set Condition:
    • Possible Causes
    • Diagnostic Test
  • U0125-Lost Communication With Dynamics Sensor
    • Notes
    • When Monitored:
    • Set Condition:
    • Possible Causes
    • Diagnostic Test
  • U0126-Lost Communication With Steering Angle Sensor
    • Notes
    • Set Condition:
    • Possible Causes
    • Diagnostic Test
  • U0141-Lost Communication With IPM (FCM/TIPM)
    • Notes
    • When Monitored:
    • Set Condition:
    • Possible Causes
    • Diagnostic Test
  • U0146-Lost Communication With Central Gateway
    • Notes
    • Set Condition:
    • Possible Causes
    • Diagnostic Test
  • U0401-Implausible Data Received From ECM/Pcm
    • Notes
    • When Monitored:
    • Set Condition:
    • Possible Causes
    • Diagnostic Test
  • U1003-Esp Can C Bus Performance
    • Notes
    • When Monitored:
    • Set Condition:
    • Possible Causes
    • Diagnostic Test
  • U1104-Can C Bus CRC Performance
    • Notes
    • When Monitored:
    • Set Condition:
    • Possible Causes
    • Diagnostic Test
  • U140E-Implausible Vehicle Configuration Data Received
    • Notes
    • When Monitored:
    • Set Condition:
    • Possible Causes
    • Diagnostic Test
  • U1501-Implausible Message Data Length Received From Pcm
    • Notes
    • Set Condition:
    • Possible Causes
    • Diagnostic Test
  • U1502-Implausible Message Data Length Received From TCM
    • Notes
    • When Monitored:
    • Set Condition:
    • Possible Causes
    • Diagnostic Test
  • U1503-Implausible Message Data Length Received From FCM (TIPM)
    • Notes
    • When Monitored:
    • Set Condition:
    • Possible Causes
    • Diagnostic Test
• Standard Procedure
  • Abs Verification Test
    • Diagnostic Test
  • Abs-Intermittent Condition
    • Notes
    • Possible Causes
    • Diagnostic Test