CRUISE CONTROL SYSTEM, Diagnostic DTC:U0122

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

DESCRIPTION

The ECM receives signals from the skid control ECU (brake actuator assembly) via CAN communication.

DTC No. Detection Item DTC Detection Condition Trouble Area
U0122 Lost Communication with Vehicle Dynamics Control Module While the vehicle speed is 40 km/h (25 mph) or more and the cruise control main switch (ON-OFF button) is on, signals cannot be received from the skid control ECU (brake actuator assembly) for 2.58 seconds or more.

  • CAN communication system

  • ECM

  • Skid control ECU (Brake actuator assembly)

CAUTION / NOTICE / HINT

Refer to troubleshooting in CAN Communication System.

for LHD: Click here

for RHD: Click here

PROCEDURE


  1. GO TO CAN COMMUNICATION SYSTEM


    1. Go to CAN communication system.

      for LHD: Click here

      for RHD: Click here

      Result
      Proceed to
      NEXT

    NEXT

    END