# Service bulletin A911378 2033355\-

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: 10123856
- Published by NHTSA: 2017\-11\-17
- Manufacturer's number: A911378 2033355\-
- Manufacturer's date: 2013\-03\-15
- NHTSA component: FORWARD COLLISION AVOIDANCE: ADAPTIVE CRUISE CONTROL

## NHTSA's summary

Adaptive Cruise Control \(ACC\) does not work. The message "ACC and braking guard: unavailable at this time. No sensor vision" appears in the instrument cluster. DTC is logged in the distance regulation control module, J428 \(address word 13\).

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2013/MC-10123856-9999.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2013/MC-10123856-0001.pdf)

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

## Components

Driver assistance, Adaptive cruise control

## Vehicles listed

- 2012 to 2014 AUDI A6
- 2012 to 2014 AUDI A7
- 2011 to 2014 AUDI A8

## Other bulletins for the same vehicles and component

- [A911732 2033355\-](/bulletins/10127758.md), 2018-02-05, Service bulletin: FORWARD COLLISION AVOIDANCE: ADAPTIVE CRUISE CONTROL. This informational bulletin contains information on why ACC sensor could be deactivated.
- [A911451 2033355\-](/bulletins/10122564.md), 2017-11-08, Service bulletin: FORWARD COLLISION AVOIDANCE: ADAPTIVE CRUISE CONTROL. Supersedes Technical Service Bulletin Group 91 number 13\-78 dated March 15, 2013. Adaptive Cruise Control \(ACC\) does not work. The message "ACC and braking guard: unavailable at this time. No sensor vision" appears in the instrument cluster. DTC C110BF0 \(Adaptive cruise control sensor restricted view\) is logged in the distance regulation control module, J428 \(address word 13\).

JSON: [/v1/bulletins/10123856](/v1/bulletins/10123856)

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