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Service bulletin A391313 2035249-

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 id10121330
Published by NHTSA2017-10-31
Manufacturer's numberA391313 2035249-
Manufacturer's date2013-09-23
NHTSA componentELECTRICAL SYSTEM:SOFTWARE

NHTSA's summary

The basic settings of the all-wheel drive control module, J492 (address word 22), fails after the sports differential has been replaced, or after a sensor on the sports differential has been replaced. The condition occurs on vehicles with sports differential and the following software: Diagnosis address: 22 - All-wheel drive (Quattro Sport): Software part number 8K0907163 Software version: 0004

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

Vehicles listed
AUDI A5 CABRIOLET2010
AUDI S42010
AUDI S52010

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
A0023822047812_72024-01-04. Service bulletin. This bulletin provides information on how to set up and use the SD Creator for obtaining vehicle software updates via the Mirror Server.
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011400202629942023-01-03. Service bulletin. An incorrect software setting causes the DTC to be stored.
011344203566812023-01-03. Service bulletin. Software update is needed.
0014652011732102023-01-03. Service bulletin. This Technical Service Bulletin (TSB) details the general process for carrying out a Software Version Management (SVM) software update for any TSB or Update.
011400202629942022-09-26. Service bulletin. An incorrect software setting causes the DTC to be stored.
011344203566812022-09-26. Service bulletin. Software update is needed.
A4622332051095_72022-07-01. Service bulletin. This informational bulletin contains instructions on how to download and use the Audi Frequency App.
37 13 08 20341632022-05-02. Service bulletin. Software error in the transmission control module. Customer may report that the transmission does not work correctly. ? Shortly after a cold start, the following message appears in the instrument cluster display: ?Gearbox Malfunction! Journey can be continued?. The gearbox is in limp mode until the key is cycled. ? The issue is very sporadic and cannot be reproduced with a test drive. ? DTC P17E1 (Gear positioner 2 mechanical malfunction) with DFCC 9473 is stored in the transmission control module, J743 (address word 02). ? The DFCC is the 4-6 digit code that is typically listed before the fault code (Figure 1).
35 13 11 20273632022-05-02. Service bulletin. Incorrect transmission software.