ENGINE IMMOBILISER SYSTEM, Diagnostic DTC:B279C

DTC Code DTC Name
B279C Theft Deterrent System Presence Detection

DESCRIPTION

If an ECM that is incompatible with the engine immobiliser system is installed, the ECM outputs this DTC.

DTC No. DTC Detection Condition Trouble Area
B279C When ECM that is incompatible with engine immobiliser system is installed ECM

INSPECTION PROCEDURE

Note

If the ECM is replaced, register the ECU communication ID.

PROCEDURE


  1. CHECK DTC OUTPUT


    1. Clear the DTCs Click here.

    2. Recheck for DTCs.

      OK
      B279C output does not recur.

    NG

    REPLACE ECM Click here

    OK

    USE SIMULATION METHOD TO CHECK Click here