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May 1, 2026 Service bulletin

This bulletin announces the diagnostic procedures to be used when DTCs B1571(REFERENCE CODE...

Subaru technical service bulletin 18-230-26 for 2016-2025 Subaru Outback, 2016-2026 Subaru Forester and 2016-2025 Subaru Legacy and others.

Bulletin number
18-230-26
Component
Engine
Summary
This bulletin announces the diagnostic procedures to be used when DTCs B1571(REFERENCE CODE INCOMPATIBILITY IMMOBILIZER CM TO ECM) and B1572(IMM CIRCUIT EXCEPT ANTENNA CIRCUIT) are detected by Keyless Access with Push Button Start(KACM).

Owners of these vehicles have filed 1,088 complaints in the engine category.

Vehicles covered

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