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 MANUALSSUBARU2005FORESTER X, STANDARDREPAIR AND DIAGNOSISQUICK LOOKUPSDTC INDEXIMMOBILIZER DTCS
2005 Subaru Forester X, Standard
Immobilizer DTCS
2005 Subaru Forester X, StandardSECTION Immobilizer DTCS
NOTE:
Perform the engine DTC when a DTC other than immobilizer DTC is detected. Refer to ENGINE SELF-DIAGNOSTICS DTCS .
IMMOBILIZER DIAGNOSTIC TROUBLE CODE (DTC) LIST
| DTC | Item | Contents of Diagnosis |
|---|---|---|
| P1571 | Reference Code Incompatibility | Reference code incompatibility between IMM ECM and ECM |
| P1572 | IMM Circuit Failure (Except Antenna Circuit) | Communication failure between IMM ECM and ECM |
| P1574 | Key Communication Failure | Failure of IMM ECM to verify key (transponder) ID code |
| P0513 | Incorrect Immobilizer Key | Incorrect immobilizer key (Use of unregistered key in IMM ECM) |
| P1576 | EGI Control Module EEPROM | ECM malfunctioning |
| P1577 | IMM Control Module EEPROM | IMM ECM malfunctioning |
| P1570 | ANTENNA | Faulty antenna |
RENDER: 1.0x
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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.