CRUISE CONTROL SYSTEM, Diagnostic DTC:U0122

DTC Code DTC Name
U0122 Lost Communication with Vehicle Dynamics Control Module

DESCRIPTION

Send vehicle speed signal to skid control ECU, and then it is sent to ECM.

DTC Code DTC Detection Condition Trouble Area
U0122 While engine switch is on (IG), communication stop between skid control ECU and ECM continues for 1 second or more

  • Skid control ECU

  • CAN communication system

  • ECM

INSPECTION PROCEDURE

Tech Tips

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


    1. for LHD:

      Refer to "PRECAUTION" in the CAN communication system Click here.

    2. for RHD:

      Refer to "PRECAUTION" in the CAN communication system Click here.