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Service bulletin Dealer Letter -

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 id10122656
Published by NHTSA2017-11-08
Manufacturer's numberDealer Letter -
Manufacturer's date2012-12-07
NHTSA componentELECTRICAL SYSTEM:12V/24V/48V BATTERY; HYBRID PROPULSION SYSTEM

NHTSA's summary

This communication is to inform you of Update 93A2. The energy management of the high-voltage battery has been optimized for Audi hybrid vehicles manufactured within a specific period. Update the battery management software to the latest level.

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, Hybrid and electric drive, 12-volt battery

Vehicles listed
AUDI Q5 HYBRID2013

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