THEFT DETERRENT / KEYLESS ENTRY: IMMOBILISER SYSTEM (for Gasoline Model without Smart Key System): B279C95; Engine Immobiliser System Incorrect Assembly; 2019 - 2025 MY RAV4 [11/2018 - ]

Last Modified: 05-08-2025	6.11:8.1.0	Doc ID: RM100000001G23C
Model Year Start: 2019	Model: RAV4	Prod Date Range: [11/2018 - ]
Title: THEFT DETERRENT / KEYLESS ENTRY: IMMOBILISER SYSTEM (for Gasoline Model without Smart Key System): B279C95; Engine Immobiliser System Incorrect Assembly; 2019 - 2025 MY RAV4 [11/2018 - ]

DTC

B279C95

Engine Immobiliser System Incorrect Assembly

DESCRIPTION

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

DTC No.	Detection Item	DTC Detection Condition	Trouble Area	Note
B279C95	Engine Immobiliser System Incorrect Assembly	An ECM that is incompatible with immobiliser system is installed.	ECM	DTC Output Confirmation Operation: Check for DTCs.

Vehicle Condition and Fail-safe Operation when Malfunction Detected

Vehicle Condition when Malfunction Detected	Fail-safe Operation when Malfunction Detected
Engine cannot be started	-

Related Data List and Active Test

DTC No.	Data List and Active Test
B279C95	-

CAUTION / NOTICE / HINT

NOTICE:

Before replacing the ECM, refer to the Registration.
Click here
After repair, confirm that no DTCs are output by performing "DTC Output Confirmation Operation".

PROCEDURE

1.	REPLACE ECM

(a) Replace the ECM with a new one.

Click here

NEXT

END (ECM WAS DEFECTIVE)