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P015A on the 2018 Subaru WRX

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.

Bulletins for this model year that name P015A
09-78-212021-08-05. Service bulletin. This bulletin announces the availability of Engine Control Module (ECM) reprograming files to correct DTC P015A and/or P015B.

1 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.