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Diagnostic Trouble Code Table

HINT:

If a trouble code is displayed during the DTC check, inspect the trouble areas listed for that code. For details of the code, refer to the table below.

Dynamic radar cruise control system 

DIAGNOSTIC TROUBLE CODE TABLE

DTC Code Detection Item Trouble Area
C1A01  Driving Support ECU
  • Driving support ECU
C1A02  Vehicle Information Not Obtained
  • Driving support ECU
  • Combination meter
C1A03  Driving Support ECU Internal Logical Error
  • Driving support ECU
C1A05  Stop Light Switch Circuit
  • Stop light switch
  • Stop light switch circuit
  • Driving support ECU
C1A06  Stop Light Switch Input Circuit
  • Driving support ECU
C1A0A  Front Radar Sensor Region Code Mismatch
  • Front millimeter wave radar sensor
  • Combination meter
  • Driving support ECU
C1A10  Front Radar Sensor
  • Front millimeter wave radar sensor
  • Driving support ECU
C1A11  Front Radar Sensor Incorrect Axial Gap
  • Front millimeter wave radar sensor
  • Driving support ECU
C1A14  Front Radar Sensor Beam Axis Not Adjusted
  • Front millimeter wave radar sensor
  • Driving support ECU
C1A40  ENG / EHV Device
  • SFI system
  • ECT system
  • ECM
  • Driving support ECU
C1A41  Brake Request Value Mismatch between ENG / EHV and Driving Support ECU
  • Anti-lock brake system
  • SFI system
  • ECM
  • Skid control ECU
  • Driving support ECU
C1A4A  Skid Control Buzzer Circuit
  • Skid control buzzer
  • Skid control buzzer circuit
  • Skid control ECU
  • Driving support ECU
U0100  Lost Communication with ECM/ PCM "A"
  • ECM
  • CAN communication circuit
  • Driving support ECU
U0122  Lost Communication with Vehicle Dynamics Control Module
  • Skid control ECU
  • CAN communication system
  • Driving support ECU
U0123  Lost Communication with Yaw Rate Sensor Module
  • Yaw rate sensor
  • CAN communication system
  • Driving support ECU
U0126  Lost Communication with Steering Angle Sensor Module
  • Steering angle sensor
  • CAN communication system
  • Driving support ECU
U0235  Lost Communication with Cruise Control Front Distance Range Sensor
  • Front millimeter wave radar sensor
  • CAN communication system
  • Driving support ECU
U1104  Lost Communication with Driving Support ECU
  • Driving support ECU
  • CAN communication circuit
  • Front millimeter wave radar sensor
  • ECM
  • Skid control ECU