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Service bulletin A571508 2039814-

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 id10119948
Published by NHTSA2017-10-21
Manufacturer's numberA571508 2039814-
Manufacturer's date2015-03-06
NHTSA componentELECTRICAL SYSTEM; ELECTRICAL SYSTEM:SOFTWARE

NHTSA's summary

Supersedes Technical Service Bulletin Group 57 number 15-07 dated February 13, 2015. A remote key low battery warning icon and the warning message "Please change key battery" appear in the instrument cluster. DTC B147918 (Remote key 1 voltage too low) is logged in the vehicle electrical system control module (BCM1). The remote key battery is correct. Incorrect diagnostics for determining low remote key battery voltage in the software of the vehicle electrical system control module (BCM1). The software was improved for series production.

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, Software

Trouble codes named

B1479

Vehicles listed
AUDI A3 CABRIOLET2015

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