B279C

THEFT DETERRENT / KEYLESS ENTRY: ENGINE IMMOBILISER SYSTEM: B279C: Theft Deterrent System Presence Detection

DTC 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.

B279c:

INSPECTION PROCEDURE
NOTE: If the ECM is replaced, register the ECU communication ID Engine Immobiliser System.

PROCEDURE

1. CLEAR DTC
(a) Clear the DTCs Engine Immobiliser System.
NEXT -- Continue to next step.

2. CHECK DTC OUTPUT
(a) Recheck for DTCs Engine Immobiliser System.
OK:
DTC B279C output does not reoccur.
Result:






B -- REPLACE ECM
A -- REPLACE ECM
C -- USE SIMULATION METHOD TO CHECK