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Service bulletins for the 2016 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.

429 on file from NHTSA, as of 2026-10-19.

By type

By component

By trouble code

Only bulletins with component: Automatic transmission are shown. Show all

Bulletins, newest first
16-103-16R2019-03-11. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. This bulletin has been developed in response to a small number of customer concerns regarding fluid seepage found coming from the CVT assembly. Investigation has identified a likely source of the seepage to be the sealant used on the CVT?s oil pump chain cover. The repair involves removal, a thorough cleaning and inspection of the sealing surfaces followed by re-sealing the cover.
16-103-16R2017-08-14. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION; POWER TRAIN. This bulletin has been developed in response to a small number of customer concerns regarding fluid seepage found coming from the CVT assembly. Investigation has identified a likely source of the seepage to be the sealant used on the CVT's oil pump chain cover. The repair involves removal, a thorough cleaning and inspection of the sealing surfaces followed by re-sealing the cover.
11-170-162017-08-14. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE; POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM). 2.0L DIT Models only. This bulletin announces the availability of reprogramming files to optimize the ECM. These files will address a customer concern of the Check Engine Light illuminating as a result of DTC P2270 being stored in the ECM.
16-103-162017-08-14. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION; POWER TRAIN. Only Models Equipped with TR690 CVT only. This bulletin has been developed in response to a small number of customer concerns regarding fluid seepage found coming from the CVT assembly. Investigation has identified a likely source of the seepage to be the sealant used on the CVT's oil pump chain cover. The repair involves removal, a thorough cleaning and inspection of the sealing surfaces followed by re-sealing the cover.
16-98-162016-11-08. 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.