ANTI-LOCK BRAKE SYSTEM, Diagnostic DTC:U0073

DTC Code DTC Name
U0073 Control Module Communication Bus OFF

DESCRIPTION

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

DTC No. Detection Item DTC Detection Condition Trouble Area
U0073 Control Module Communication Bus OFF The +BS terminal voltage is between 9.6 and 16.5 V and bus off is judged for 0.1 seconds or more. CAN communication system

PROCEDURE


  1. INSPECT CAN COMMUNICATION SYSTEM


    1. Inspect the CAN communication system.

      w/ Central Gateway ECU: Click here

      w/o Central Gateway ECU: Click here

      Tech Tips

      When CAN communication system DTCs are output, repair the CAN communication system before repairing each corresponding sensor.

      Result
      Proceed to
      NEXT

    NEXT

    END