Subaru Forester 2015–2018 — technical service bulletin
Bulletin 11-174-17R · NHTSA communication 10131689 · issued Oct 31, 2017
Technical service bulletin
communication type
Electrical System
component
2015–2018
model years
11
vehicle entries
Official summary
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).
Vehicles covered
What a TSB means. Technical service bulletins are repair guidance manufacturers send to dealers — they are not recalls, and repairs are not automatically free (warranty extensions are an exception worth checking). The full document is available via NHTSA’s vehicle lookup.