# Service bulletin A901449 2029781\-

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.

- Type: Service bulletin
- NHTSA id: 10122351
- Published by NHTSA: 2017\-11\-08
- Manufacturer's number: A901449 2029781\-
- Manufacturer's date: 2014\-04\-28
- NHTSA component: ELECTRICAL SYSTEM:SOFTWARE; EQUIPMENT:ELECTRICAL

## NHTSA's summary

Supersedes Technical Service Bulletin Group 90 number 13\-40 dated September 9, 2013. The driver information system \(DIS\) display screen is completely blank or appears to be all white. The condition is intermittent and the DIS can function normally when the key is cycled off and back on. This condition only affects vehicles with the highline instrument cluster. The issue is attributed to incorrect software for clusters with the Hitachi display screen.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2014/MC-10122351-9999.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2014/MC-10122351-0001.pdf)

The document is the manufacturer's. This site does not hold it.

## Components

Electrical system, Equipment and accessories, Software

## Vehicles listed

- 2013 AUDI A4 ALLROAD
- 2011 to 2012 AUDI A4 AVANT
- 2011 to 2012 AUDI A5
- 2011 to 2012 AUDI A5 CABRIOLET
- 2011 to 2013 AUDI Q5

## Other bulletins for the same vehicles and component

- [A0023822047812\_7](/bulletins/10248111.md), 2024-01-04, Service bulletin: ELECTRICAL SYSTEM:SOFTWARE. This bulletin provides information on how to set up and use the SD Creator for obtaining vehicle software updates via the Mirror Server.
- [Edition89](/bulletins/10231127.md), 2023-02-06, Service bulletin: ELECTRICAL SYSTEM:SOFTWARE; EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. ElsaPro Software update and technical bulletins
- [01145420255474](/bulletins/10228384.md), 2023-01-03, Service bulletin: ELECTRICAL SYSTEM:SOFTWARE; ELECTRICAL SYSTEM. The software of the ECM needs to be updated.
- [001465201173210](/bulletins/10228297.md), 2023-01-03, Service bulletin: ELECTRICAL SYSTEM:SOFTWARE. This Technical Service Bulletin \(TSB\) details the general process for carrying out a Software Version Management \(SVM\) software update for any TSB or Update.
- [A4622332051095\_7](/bulletins/10214737.md), 2022-07-01, Service bulletin: UNKNOWN OR OTHER; ELECTRICAL SYSTEM:SOFTWARE. This informational bulletin contains instructions on how to download and use the Audi Frequency App.
- [37 14 45 2028405](/bulletins/10210694.md), 2022-05-02, Service bulletin: ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL; POWER TRAIN; ELECTRICAL SYSTEM:SOFTWARE; POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE:SOFTWARE. A software change in the diagnosis function was made. Customer may report that the transmission warning light is on.
- [37 14 42 2029027](/bulletins/10210691.md), 2022-05-02, Service bulletin: ELECTRICAL SYSTEM:IGNITION; POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE \(TCM/PCM/TECM\); ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL; ELECTRICAL SYSTEM:SOFTWARE; POWER TRAIN. Customer may report transmission warning light is illuminated. In some cases, the vehicle will not move after being started and placed into gear. After key cycle, the vehicle drives without restriction.
- [37 14 41 2025535](/bulletins/10210690.md), 2022-05-02, Service bulletin: UNKNOWN OR OTHER; ELECTRICAL SYSTEM:SOFTWARE. If the memory is read with guided fault finding \(GFF\) or if Immobilizer test plans are performed, the above DTC entries may be stored due to a communication error between the VAS tester and the TCM. \(In particular, the issue happens with tester VAS 5051B\).
- [37 14 29 2029027](/bulletins/10210678.md), 2022-05-02, Service bulletin: ELECTRICAL SYSTEM:SOFTWARE; ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE \(ECU/ECM\):SOFTWARE; ELECTRICAL SYSTEM; POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE \(TCM/PCM/TECM\). Customer may report transmission warning light is illuminated. In some cases, the vehicle will not move after being started and placed into gear. After key cycle, the vehicle drives without restriction. The DTCs are stored due to an issue with the transmission control module software.
- [37 14 27 2028405](/bulletins/10210676.md), 2022-05-02, Service bulletin: POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE \(TCM/PCM/TECM\); POWER TRAIN; ELECTRICAL SYSTEM:SOFTWARE. Customer may report that the transmission warning light is on. A software change in the diagnosis function was made.

JSON: [/v1/bulletins/10122351](/v1/bulletins/10122351)

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