B279C

ENGINE IMMOBILIZER: ENGINE IMMOBILIZER SYSTEM: B279C: Theft Deterrent System Presence Detection
B279C - Theft Deterrent System Presence Detection

DESCRIPTION

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





INSPECTION PROCEDURE

PROCEDURE

1. CHECK DTC OUTPUT

(a) Clear the DTC Engine Immobilizer System.

(b) Recheck for DTC.

OK:

DTC B279C output does not reoccur.

Result:





C -- REPLACE ECM Removal

B -- REPLACE ECM Removal

A -- USE SIMULATION METHOD TO CHECK How To Proceed With Troubleshooting