ENGINE IMMOBILISER SYSTEM(w/o Entry and Start System), Diagnostic DTC:B1576

DTC Code DTC Name
B1576 Key Write Malfunction to EFI ECU

DESCRIPTION

The ECM stores this code when an internal malfunction is detected in the ECM, or when the ROM in the ECM cannot be accessed when registering a key.

DTC Code DTC Detection Condition Trouble Area
B1576

  • Internal malfunction in the ECM.

  • When the ROM in the ECM cannot be accessed when registering a key.

 ECM

CAUTION / NOTICE / HINT

Note

If the ECM is replaced, refer to Service Bulletin.

PROCEDURE


  1. REGISTER ECU COMMUNICATION ID


    1. Register the ECU communication ID (Refer to Service Bulletin).

      OK
      The ECU communication ID can be registered

    OK

    END

    NG

  2. REGISTER ECU COMMUNICATION ID


    1. Register the ECU communication ID (Refer to Service Bulletin).

      OK
      The ECU communication ID can be registered

    OK

    END

    NG

  3. REGISTER ECU COMMUNICATION ID


    1. Register the ECU communication ID (Refer to Service Bulletin).

      OK
      The ECU communication ID can be registered

    OK

    END

    NG

    REPLACE ECM Click here