Immobilizer System

WARNING: This page is about a different car, the 2015 Subaru Outback and 2015 Subaru Legacy. However, it is still accessible from the selected car via links, so may be relevant.

Symptoms	Note
Engine does not start	<Ref. to ENGINE DOES NOT START , INSPECTION, Diagnostics with Phenomenon.>
	<Ref. to DTC B2784 ANTENNA COIL FAULT , Diagnostic Procedure with Diagnostic Trouble Code (DTC).>
	<Ref. to DTC B278A ABNORMAL IMMOBILIZER POWER SUPPLY , Diagnostic Procedure with Diagnostic Trouble Code (DTC).>
	<Ref. to DTC B2785 LIN COMMUNICATION ERROR , Diagnostic Procedure with Diagnostic Trouble Code (DTC).>
	<Ref. to DTC B2789 ID CODE BOX NO RESPONSE , Diagnostic Procedure with Diagnostic Trouble Code (DTC).>
	<Ref. to DTC B2790 ID CODE BOX ABNORMAL (EEPROM ABNORMAL) , Diagnostic Procedure with Diagnostic Trouble Code (DTC).>
	Check the brake switch (except for MT model). <Ref. to INSPECTION , Stop Light Switch.> Check the clutch switch for MT model. <Ref. to INSPECTION, Clutch Switch.>
	Check the parking switch signal. <Ref. to INSPECTION , AT Shift Lock Solenoid and "P" Range Switch.>
	Check the DTC of the ECM.
Cannot register the immobilizer.	Refer to the "REGISTRATION MANUAL FOR IMMOBILIZER".
Engine does not start with the remote engine starter.	<Ref. to DTC B2779 REMOTE CONTROL ENGINE STARTER COMMUNICATION COLLATION NG , Diagnostic Procedure with Diagnostic Trouble Code (DTC).>