Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSSUBARU2014FORESTER 2.5I, ENG CD FB25BA, STANDARD TRANSREPAIR AND DIAGNOSISBODY & FRAMEDOOR LOCKSKEYLESS ACCESS WITH PUSH BUTTON START SYSTEM (DIAGNOSTICS)GENERAL DIAGNOSTIC TABLEINSPECTIONIMMOBILIZER SYSTEM
2014 Subaru Forester 2.5i, Eng CD FB25BA, Standard Trans
Immobilizer System
2014 Subaru Forester 2.5i, Eng CD FB25BA, Standard TransSECTION Immobilizer System
| 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). > | |
| Check the brake switch. < Ref. to INSPECTION , Stop Light 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). > |
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.