Dtc U0123 Communication Error Of Yaw Rate Sensor

Lexus IS250 IS220d GSE20 ALE20 - CRUISE CONTROL

DESCRIPTION

INSPECTION PROCEDURE

DTC U0123 Communication Error of Yaw Rate Sensor

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 ConditionTrouble Area
U0123While the dynamic radar cruise control is either preparing for operation or operating, the ECM continuously receives a yaw rate sensor malfunction signal for a certain amount of time
Communication circuit
Yaw rate sensor
Distance control ECU (Cruise control ECU)
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:

for RHD: