Service bulletins for the 2015 Subaru WRX
A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.
446 on file from NHTSA, as of 2026-10-19.
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By component
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Only bulletins with component: Transmission control module are shown. Show all
| WQW-58R | 2017-09-14. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM); ELECTRICAL SYSTEM. 2.0L DIT Models Only. Subaru of America, Inc. has determined that vehicles affected by this Service Program require ECM reprogramming. This bulletin includes the service procedure for diagnosis and repair of customer concerns involving engine idle roughness or, in some cases, engine noise and/or damage resulting from spark knock (pre-ignition). The Engine Control Module logic has also been optimized requiring the ECM reprogramming. |
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| 16-98-16 | 2016-11-08. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM). THIS BULLETIN ANNOUNCES AVAILABILITY OF REPROGRAMMING FILES FOR OPTIMIZATION OF THE TRANSMISSION CONTROL MODULE (TCM). THE NEW LOGIC ADDRESSES CUSTOMER CONCERNS OF INCONSISTENT SHIFTING CHARACTERISTICS AND / OR A “SLIPPING” -TYPE SENSATION WHICH MAY BE EXPERIENCED UNDER MODERATE ACCELERATION AFTER A COLD START BEFORE THE CVT IS UP TO OPERATING TEMPERATURE. |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.