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.

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      Tip:

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

    Result

    Proceed to

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    END