P05A0 on the 2016 Subaru Legacy
The bulletins listed name this code in NHTSA's summary, or are about the same components. A bulletin or a recall listed here may apply to the model year. None of it is a diagnosis.
Nobody has written a description of this code yet.
| 11-174-17R | 2018-04-02. Service bulletin. This bulletin announces the availability of reprogramming files to optimize the ECM and address the following customer concerns: ? Check Engine light coming on (with DTC P05A0 stored in memory). ? Potential battery discharge (dead battery) after repeated periods of short-trip driving. ? A high (or ?hanging?) engine RPM after depressing the clutch pedal (Forester only). |
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| 11-174-17R | 2017-09-14. Service bulletin. This bulletin announces the availability of reprogramming files to optimize the ECM and address the following customer concerns: * Check Engine light coming on (with DTC P05A0 stored in memory). * Potential battery discharge (dead battery) after repeated periods of short-trip driving. * A high (or "hanging") engine RPM after depressing the clutch pedal (Forester only). |
| 11-174-17R | 2017-09-14. Service bulletin. This bulletin announces the availability of reprogramming files to optimize the ECM and address the following customer concerns: * Check Engine light coming on (with DTC P05A0 stored in memory). * Potential battery discharge (dead battery) after repeated periods of short-trip driving. * A high (or "hanging") engine RPM after depressing the clutch pedal (Forester only). |
3 on file from NHTSA, as of 2026-10-19. See them in the bulletin list. A bulletin lists model years: read the document for which vehicles it concerns.