ANTI-LOCK BRAKE SYSTEM, Diagnostic DTC:U0073

DTC Code DTC Name
U0073 Control Module Communication Bus Off

DESCRIPTION

The skid control ECU receives the signal sent from the ECM via the CAN communication system. When DTCs indicating a CAN communication system malfunction are output, repair the CAN communication system before repairing each corresponding sensor.

DTC No. DTC Detection Conditions Trouble Areas
U0073

When either of following conditions detected:


  1. Bus off conditions continue for approximately 1 second.

  2. Bus off condition occurs 10 times in 8 seconds period.

 CAN communication system

PROCEDURE


  1. RECONFIRM DTC


    1. Clear the DTC(s) Click here.

    2. Check if the same DTC(s) is output Click here.

      Result
      Result Proceed to
      DTC output (w/o Toyota Safety Sense) A
      DTC output (w/ Toyota Safety Sense) B
      DTC not output C

    A

    GO TO CAN COMMUNICATION SYSTEM Click here

    B

    GO TO CAN COMMUNICATION SYSTEM Click here

    C

    END