# Service bulletin A911446 2033313\-

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: 10122423
- Published by NHTSA: 2017\-11\-08
- Manufacturer's number: A911446 2033313\-
- Manufacturer's date: 2014\-06\-25
- NHTSA component: FORWARD COLLISION AVOIDANCE: ADAPTIVE CRUISE CONTROL

## NHTSA's summary

Supersedes Technical Service Bulletin Group 96 number 13\-54 dated March 15, 2013. Adaptive Cruise Control \(ACC\) does not work. Adaptive Cruise Control \(ACC\) does not work. The message "ACC no sensor vision" appears in the cluster. DTCs are logged in the distance regulation control module, J428 \(13\). Adaptive Cruise Control \(ACC\) is deactivated when the radar sensor does not see any objects for an extended period of time \(varies based on environmental conditions\). The most common cause for this type of deactivation is that the field of vision of the radar sensor is blocked.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2014/MC-10122423-9999.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2014/MC-10122423-0001.pdf)

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

## Components

Driver assistance, Adaptive cruise control

## Vehicles listed

- 2013 to 2015 AUDI A4 ALLROAD
- 2013 to 2015 AUDI A5
- 2013 to 2015 AUDI A5 CABRIOLET
- 2013 to 2015 AUDI Q5

## 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.
- [TSB\-91\-15\-08](/bulletins/10058588.md), 2015-10-16, Service bulletin: FORWARD COLLISION AVOIDANCE: ADAPTIVE CRUISE CONTROL. AUDI: SOME VEHICLES EXPERIENCE A DEACTIVATION OF ADAPTED CRUISE CONTROL \(ACC\) DUE RADAR SENSOR FAILING TO SEE OBJECTS FOR PERIOD OF TIME WHEN SNOW, LEAVES, WATER SPRAY BLOCKS RADAR SENSOR VISION. MODEL 2013\-16 A4, A5, CABRIOLET, Q5. \*PE

JSON: [/v1/bulletins/10122423](/v1/bulletins/10122423)

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