WenmarOpen by Wenmar Pro

Service bulletin A911732 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.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeService bulletin
NHTSA id10127758
Published by NHTSA2018-02-05
Manufacturer's numberA911732 2033355-
Manufacturer's date2017-06-16
NHTSA componentFORWARD COLLISION AVOIDANCE: ADAPTIVE CRUISE CONTROL

NHTSA's summary

This informational bulletin contains information on why ACC sensor could be deactivated.

The document

The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.

Components

Driver assistance, Adaptive cruise control

Vehicles listed
AUDI A32014
AUDI A3 CABRIOLET2015 to 2018
AUDI A4 ALLROAD2014, 2015, 2016, 2017, 2018
AUDI A52014, 2015, 2016, 2017, 2018
AUDI A5 CABRIOLET2014 to 2018
AUDI A62011, 2012, 2013, 2014, 2015, 2016, 2017, 2018
AUDI A72011
AUDI A72012, 2013, 2014, 2015, 2016, 2017, 2018
AUDI A82011, 2012, 2013, 2014, 2015, 2016, 2017, 2018
AUDI ALLROAD2014 to 2018
AUDI Q52016, 2017, 2018
AUDI Q72011, 2012, 2013, 2014, 2015
AUDI Q72016
AUDI Q72017, 2018
AUDI R82016
AUDI R8 SPYDER2014 to 2015
AUDI R8 SPYDER2017 to 2018
AUDI RS 5 CABRIOLET2014, 2015 (the catalog's model; the bulletin names a series or trim of it)
AUDI RS5 CABRIOLET2016 to 2017
AUDI S42014, 2015, 2016
AUDI S42017
AUDI S42018
AUDI S52014, 2015, 2016, 2017, 2018
AUDI S5 CABRIOLET2014 to 2017
AUDI S82011 to 2012
AUDI S82013, 2014, 2015, 2016, 2017, 2018
AUDI SQ52016, 2017, 2018
AUDI TT ROADSTER2011 to 2018

Listing a model year does not mean every vehicle of it is concerned: the document says which.

Other bulletins for the same vehicles and component
SM 13-20262026-04-07. Other. This special notice is to inform dealers to return the parts listed if it meets the criteria provided.
A9120552061792_12021-01-08. Service bulletin. This bulletin contains a software update to address Adaptive Cruise Assist issues.
A901782 2048926-2019-02-19. Service bulletin. This bulletin contains repair instructions for DTC B200FF1 and B200FF2.
A911378 2033355-2017-11-17. Service bulletin. 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).
A911451 2033355-2017-11-08. Service bulletin. 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).
A911446 2033313-2017-11-08. Service bulletin. 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.
TSB-91-15-082015-10-16. Service bulletin. 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