DTC    U0123    Communication Error of Yaw Rate Sensor

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DESCRIPTION

This circuit detects the yaw rate of the vehicle and transmits its signal to the skid control ECU and distance control ECU.

DTC No.
DTC Detection Condition
Trouble Area
U0123
While dynamic radar cruise control is either preparing for operation or operating, ECM continuously receives yaw rate sensor malfunction signal for certain amount of time
  1. Communication circuit
  2. Yaw rate 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.GO TO CAN COMMUNICATION SYSTEM
    Refer to how to proceed with troubleshooting (Click here).