Dtc U0126 Lost Communication With Steering Angle Sensor Module

Cruise Control System. Lexus Is250, Is220D. Gse20 Ale20
Cruise Control. Lexus Is250, Is220D. Gse20 Ale20

DESCRIPTION

INSPECTION PROCEDURE

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.

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
  1. Communication circuit
  2. Steering angle sensor
  3. Distance control ECU (Cruise control ECU)
  4. ECM

INSPECTION PROCEDURE

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.for LHD: (Click here)for RHD: (Click here)