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 MANUALSSUBARU2014OUTBACK 2.5I, STANDARD TRANSREPAIR AND DIAGNOSISBODY & FRAMEDOOR LOCKSIMMOBILIZER SYSTEM (DIAGNOSTICS)DIAGNOSTIC PROCEDURE WITH DIAGNOSTIC TROUBLE CODE (DTC)DTC B1571 REFERENCE CODE INCOMPATIBILITYDTC DETECTING CONDITION
2014 Subaru Outback 2.5i, Standard Trans
DTC B1571 Reference Code Incompatibility: DTC Detecting Condition
2014 Subaru Outback 2.5i, Standard TransSECTION DTC Detecting Condition
Reference code incompatibility between body integrated unit and ECM
DIAGNOSTIC PROCEDURE
| Step | Check | Yes | No |
|---|---|---|---|
| 1 PERFORM IGNITION KEY REGISTRATION. Perform registration to all keys used for the vehicle. Refer to the "REGISTRATION MANUAL FOR IMMOBILIZER". |
Is registration of all keys complete? | Finish the diagnosis. | Go to step 2 . |
| 2 CHECK FOR ANY OTHER DTC ON DISPLAY. | Is any other immobilizer DTC displayed? | Check the appropriate DTC using the "List of Diagnostic Trouble Code (DTC)". Refer to LIST OF DIAGNOSTIC TROUBLE CODE (DTC) . Execute the registration procedure next. Refer to the "REGISTRATION MANUAL FOR IMMOBILIZER". | Replace the ECM. Refer to ENGINE CONTROL MODULE (ECM) . Replace the body integrated unit. Refer to BODY INTEGRATED UNIT . Register all ignition keys (transponders). Refer to the "REGISTRATION MANUAL FOR IMMOBILIZER". |
RENDER: 1.0x
NO RELATED
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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.