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Service bulletin 07-193-21

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.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeService bulletin
NHTSA id10191583
Published by NHTSA2021-05-04
Manufacturer's number07-193-21
Manufacturer's date2021-04-07
NHTSA componentEQUIPMENT

NHTSA's summary

This bulletin announces design changes made to the OBDII diagnostic connector and BIU mounting brackets to meet new OBD regulations for rigidity.

The document

The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.

Components

Equipment and accessories

Vehicles listed
SUBARU WRX2020

Listing a model year does not mean every vehicle of it is concerned: the document says which.

Other bulletins for the same vehicles and component
FAQ 15-318-24R2024-05-02. Service bulletin. T16 VoLTE Warranty Extension (15-318-24R) Frequently Asked Questions.
15-318-24R2024-05-02. Service bulletin. This bulletin announces the availability of the DCM Bypass Box designed to be used as an alternative replacement part for Data Communication Module (DCM) in vehicles with no active STARLINK subscription. There will be a warranty extension for the DCM up to 8 years (96 months) or 150,000 miles.
15-256-19R2024-04-03. Service bulletin. This bulletin provides information on a new reprogramming procedure (FOTA) to optimize the Harman Gen 3.1 Audio and Navigation head units (H/U) utilized in the models as listed.
15-236-18R2024-04-03. Service bulletin. This bulletin addresses the reprogramming file availability and a software update installation procedure to provide optimization to the new Harman Gen 3.1 Audio and Navigation head units utilized in the models as listed.
15-242-19R2024-04-03. Service bulletin. This bulletin has been developed for use as a quick reference tool to aid in diagnosing operational concerns of the Gen 2 Telematics system’s remote access features.
15-219-18R2024-04-03. Service bulletin. This bulletin addresses an error code 202 and or 204 when attempting to complete the STARLINK telematics subsription process.
15-318-24R2024-04-02. Service bulletin. This bulletin announces the availability of the DCM Bypass Box designed to be used as an alternative replacement part for Data Communication Module (DCM) in vehicles with no active STARLINK subscription.
15-318-242024-03-04. Service bulletin. This bulletin announces the availability of a Data Communication Module (DCM) bypass box. This has been designed as an alternative replacement part for vehicles without active STARLINK subscriptions. The bypass box will support audio functions for the infotainment system.
15-256-19R2024-02-02. Service bulletin. This bulletin provides information on a new reprogramming procedure (FOTA) to optimize the Harman Gen 3.1 Audio and Navigation head units (H/U) utilized in the models as listed.
WRE-22R2024-02-02. Service bulletin. Subaru of America, Inc. (Subaru) is initiating a new safety recall for certain 2015-2021 model year WRX STI vehicles, which may contain a defective back-up lamp switch.