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DTC U0126: Lost Communication with Steering Angle Sensor Module: Description

This circuit detects the angle and direction of the steering wheel and automatically transmits a signal to the skid control ECU and distance control ECU.

DIAGNOSTIC TROUBLE CODE CHART

DTC No. DTC Detection Condition Trouble Area
U0126 While the dynamic radar cruise control is either preparing for operation or operating, if the ECM continuously receives a steering sensor communication error signal for a certain amount of time, the distance control ECU sends a signal to the ECM to record this trouble code
  • Communication circuit
  • Steering angle sensor
  • Distance control ECU (Cruise control ECU)
  • ECM

HINT:

This circuit uses CAN communication. Therefore, if there are any malfunctions in the communication circuit, one or more DTCs in the CAN communication system are output.

  1. CHECK CAN COMMUNICATION SYSTEM 

    Refer to HOW TO PROCEED WITH TROUBLESHOOTING .