This bulletin announces availability of reprogramming files to optimize the Engine Control Module (ECM)....
Subaru technical service bulletin 11-201-21 for 2015-2019 Subaru Outback, 2015-2019 Subaru Legacy and 2015-2020 Subaru WRX STI.
- Bulletin number
- 11-201-21
- Component
- Engine and engine cooling
- Summary
- This bulletin announces availability of reprogramming files to optimize the Engine Control Module (ECM). The new files will address DTC P0116 and hard starting in cold temperature concerns when an accessory engine block heater is utilized.
Owners of these vehicles have filed 284 complaints in the engine category.
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