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Service bulletin WQS-54FW

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 id10140457
Published by NHTSA2018-06-11
Manufacturer's numberWQS-54FW
Manufacturer's date2015-06-05
NHTSA componentELECTRICAL SYSTEM:12V/24V/48V BATTERY; ELECTRICAL SYSTEM:SOFTWARE

NHTSA's summary

Please be advised that a FlashWrite update will begin downloading to all SDS notebooks on Friday, June 5, 2015. To receive this download promptly: 1. The SDS notebook must have its connection to the Internet 2. You must have your SDS notebook(s) powered on 3. You must be logged into the notebook While waiting for the completion of this download, be sure to use the AC power adapter regularly to maintain proper battery power level. All applications on the SDS notebook are available for use while the software is downloading, but should be exited before running the update. Once the update begins the process should only take a few minutes to complete.

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

Electrical system, 12-volt battery, Software

Vehicles listed
SUBARU SUBARU

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