ENGINE IMMOBILISER SYSTEM(w/o Power Switch), Diagnostic DTC:B279C

DTC Code	DTC Name
B279C	Theft Deterrent System Presence Detection

DESCRIPTION

This code is stored when a hybrid vehicle control ECU that is incompatible with the engine immobiliser system is installed to the vehicle.

DTC Code	DTC Detection Condition	Trouble Area	DTC Output Confirmation Operation
B279C	A hybrid vehicle control ECU that is incompatible with the engine immobiliser system is installed (1 trip detection logic*).	Hybrid vehicle control ECU	Check for DTCs.

*: Only output while a malfunction is present.

Vehicle Condition and Fail-safe Operation when Malfunction Detected
Vehicle Condition when Malfunction Detected	Fail-safe Operation when Malfunction Detected
Hybrid control system cannot be started	-

Related Data List and Active Test
DTC Code	Data List and Active Test
B279C	-

CAUTION / NOTICE / HINT

Note

Before replacing the hybrid vehicle control ECU, refer to Service Bulletin.
After performing repair, perform the operation that fulfills the DTC output confirmation operation, and then confirm that no DTCs are output again.

PROCEDURE

REPLACE CURRENT HYBRID VEHICLE CONTROL ECU WITH PROPER HYBRID VEHICLE CONTROL ECU
1. Replace the current hybrid vehicle control ECU with the proper hybrid vehicle control ECU Click here.
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