# Service bulletin Update Bulletin\-

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: 10123809
- Published by NHTSA: 2017\-11\-17
- Manufacturer's number: Update Bulletin\-
- Manufacturer's date: 2013\-03\-19
- NHTSA component: ELECTRICAL SYSTEM

## NHTSA's summary

On Audi A8 vehicles manufactured within a specific period, the system diagnosis may detect a sporadic implausible condition of the selector lever sensors when the ignition is switched on. As a result, the gearbox warning lamp lights up and it is no longer possible to engage a gear. The Update is in effect until removed. Procedure is valid only for vehicles that show the 37H4 code in the ElsaWeb Campaign/Action Information screen on the day of repair. Vehicles must be within the New Vehicle Limited Warranty. Procedure must be performed within the allotted timeframe stated in this Technical Service Bulletin. Procedure must be performed on applicable vehicles in dealer inventory prior to sale. On Audi A8 vehicles manufactured within a specific period the system diagnosis may detect a sporadic implausible condition of the selector lever sensors when the ignition is switched on. As a result, the gearbox warning lamp lights up and it is no longer possible to engage a gear.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2013/MC-10123809-9999.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2013/MC-10123809-0001.pdf)

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

## Components

Electrical system

## Vehicles listed

- 2011 to 2013 AUDI A8

## Recalls for the same vehicles and component

- [2016409](/recalls/tc/2016409.md), 2016-08-22: Electrical

## Other bulletins for the same vehicles and component

- [TSB\_2059335\_7](/bulletins/11034643.md), 2026-07-07, Service bulletin: ELECTRICAL SYSTEM. This bulletin provides information when there are noises from the area around the instrument cluster.
- [TSB\_2074729\_3](/bulletins/11034634.md), 2026-07-07, Service bulletin: ELECTRICAL SYSTEM. This bulletin provides informationwhen noises/vibration are detected from front of vehicle in dynamic mode.
- [TSB\_2081409\_1](/bulletins/11031053.md), 2026-04-07, Service bulletin: ELECTRICAL SYSTEM. This bulletin provides informaiton regarding the Universal Traffic Recorder.
- [TSB\_2081405\_1](/bulletins/11031051.md), 2026-04-07, Service bulletin: ELECTRICAL SYSTEM. This bulletin provides informaiotn about various infortainment system complaints.
- [TSB\_2024323\_13](/bulletins/11030985.md), 2026-04-07, Service bulletin: ELECTRICAL SYSTEM. This bulletin provides information when the parking assistance gives false warnings.
- [TSB\_2024323\_12](/bulletins/11030984.md), 2026-04-07, Service bulletin: ELECTRICAL SYSTEM. This bulletin provides information when the parking assistance gives false warnings.
- [TSB\_2059335\_6](/bulletins/11029370.md), 2026-03-03, Service bulletin: ELECTRICAL SYSTEM. This TSB provides information when there are noises from the area around the instrument cluster.
- [TSB\_2080681\_1](/bulletins/11028448.md), 2026-02-06, Service bulletin: ELECTRICAL SYSTEM. This bulletin provides information regarding contact checks for event memories, intermittent.
- [TSB\_2080329\_1](/bulletins/11028446.md), 2026-02-06, Service bulletin: ELECTRICAL SYSTEM. This bulletin provides informaiotn when there are noises from the headliner.
- [TSB\_2056019\_5](/bulletins/11028397.md), 2026-02-06, Service bulletin: ELECTRICAL SYSTEM. This bulletin provides information when the anti\-theft alarm activates for no reason, or does not activate.

JSON: [/v1/bulletins/10123809](/v1/bulletins/10123809)

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