# 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.

- Type: Service bulletin
- NHTSA id: 10106781
- Published by NHTSA: 2017\-06\-16
- Manufacturer's number: DEALER LETTER
- Manufacturer's date: 2015\-05\-24
- NHTSA component: ENGINE; ELECTRICAL SYSTEM:SOFTWARE

## NHTSA's summary

ON AUDI A8 VEHICLES WITH W12 ENGINE MANUFACTURED WITHIN A SPECIFIC PERIOD, THE ENGINE TORQUE MONITORING SYSTEM MAY INDICATE A FAULT IN CYLINDER DEACTIVATION MODE \(CYLINDER ON DEMAND\).

## The document

No address for NHTSA's copy can be built for this communication. Ask the dealer for it by the manufacturer's number.

## Components

Electrical system, Engine, Software

## Vehicles listed

- 2015 to 2016 AUDI A8

## 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
- [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.
- [A002155201173212](/bulletins/10204722.md), 2022-01-05, Service bulletin: ELECTRICAL SYSTEM:SOFTWARE. This bulletin contains general instructions for software updates.
- [A2021352043357\_1](/bulletins/10199213.md), 2021-08-04, Service bulletin: ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE \(ECU/ECM\); ELECTRICAL SYSTEM:SOFTWARE. This technical service bulletin provides a software code for correcting an issue that causes DTC P046100.
- [A9121072060681\_3](/bulletins/10198185.md), 2021-07-02, Service bulletin: EQUIPMENT; ELECTRICAL SYSTEM:SOFTWARE; EQUIPMENT ADAPTIVE/MOBILITY. This bulletin contains instructions to update eligible cars from Google Earth to the new service provided by HERE.
- [A9120412060681\_2](/bulletins/10185281.md), 2021-01-08, Service bulletin: ELECTRICAL SYSTEM:SOFTWARE; EQUIPMENT ADAPTIVE/MOBILITY; EQUIPMENT. This bulletin contains instructions to update eligible cars from Google Earth to the new service provided by HERE.
- [A4320412059843\_1](/bulletins/10176750.md), 2020-07-07, Service bulletin: SUSPENSION; ELECTRICAL SYSTEM:SOFTWARE. This bulletin contains a software update for an adaptive suspension warning with DTCs C104011, C104111, C104211, and C104311.
- [Dealer 23Z8](/bulletins/10163788.md), 2019-09-10, Service bulletin: ENGINE AND ENGINE COOLING; ELECTRICAL SYSTEM:SOFTWARE. Audi is releasing a software calibration update to the Approved Emissions Modification \(AEM\) to improve on\-board diagnostics \(OBD\) monitoring of vehicle emissions systems and provide other improvements to the software used by the vehicle. Additionally, to reduce soot accumulation affecting the oxygen sensor, it is necessary to replace and relocate the sensor, which requires replacement of the diesel oxidation catalyst \(DOC\) and diesel particulate filter \(DPF\).

JSON: [/v1/bulletins/10106781](/v1/bulletins/10106781)

[Report an error on this page](https://github.com/wenmar-pro/wenmar-open/issues/new?template=data_correction.yml&title=Data%20correction%3A%20Service%20bulletin%20DEALER%20LETTER&page=https%3A%2F%2Fopen.wenmarpro.com%2Fbulletins%2F10106781&vehicle=Service%20bulletin%20DEALER%20LETTER)