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Service bulletin A9021912055906_4

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 id10187975
Published by NHTSA2021-03-04
Manufacturer's numberA9021912055906_4
Manufacturer's date2021-02-26
NHTSA componentVEHICLE SPEED CONTROL:CRUISE CONTROL

NHTSA's summary

This bulletin contains PSS instructions for when the Audi Adaptive light, pre sense malfunction, and the Adaptive Cruise Assist does not work.

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

Throttle and cruise control

Vehicles listed
AUDI A62019, 2020
AUDI A72019, 2020
AUDI A82019, 2020
AUDI AUDI
AUDI E-TRON2019
AUDI E-TRON2020
AUDI RS Q82020
AUDI S62020
AUDI S72020
AUDI SQ82020

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
A4423972022563_22023-02-07. Service bulletin. This bulletin provides instructions for when a vibration is felt in the floor, seat, footwell, pedals or steering wheel while driving at highway speeds from 55 - 80 mph.
A9120472055338_32020-04-02. Service bulletin. This informational bulletin contains information on when the Adaptive Cruise Assist on DTC C12EBF1 with symptom code 11567120.
A9020392056123_22020-03-05. Service bulletin. This bulletin contains information on the adaptive cruise assist function.
A911948 205430112019-04-02. Service bulletin. This informational bulletin contains instructions for when the DTC C12EBF3 appears.
A911930 2053776-2019-04-01. Service bulletin. This bulletin contains a software update and test plan for DTC C12EBF1, B200042, or B200047 .