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Service bulletin A9120542053776_7

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 id10185263
Published by NHTSA2021-01-08
Manufacturer's numberA9120542053776_7
Manufacturer's date2020-12-18
NHTSA componentFORWARD COLLISION AVOIDANCE: ADAPTIVE CRUISE CONTROL:SOFTWARE; EQUIPMENT ADAPTIVE/MOBILITY

NHTSA's summary

This bulletin contains a software update and test plan for DTCs C12EBF1 or C12EB92.

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, Equipment and accessories, Adaptive cruise control

Trouble codes named

C12EB

Vehicles listed
AUDI A72019, 2020, 2021
AUDI A82019, 2020
AUDI A82021
AUDI E-TRON2019
AUDI E-TRON2020
AUDI E-TRON2021
AUDI Q72020, 2021
AUDI Q82019, 2020, 2021

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.
A9120422055338_42021-01-08. Service bulletin. This informational bulletin contains information on when the Adaptive Cruise Assist on DTC C12EBF1 with symptom code 11567120.
A9120552061792_12021-01-08. Service bulletin. This bulletin contains a software update to address Adaptive Cruise Assist issues.
A9120562061817_12021-01-08. Service bulletin. This bulletin contains a software update that addresses issues with the adaptive driving assistant and DTC C12EBF1 .
A9020672055906_32020-10-06. Service bulletin. This bulletin contains PSS instructions for when the Audi Adaptive light, pre sense malfunction, and the Adaptive Cruise Assist does not work.
A9019292056123_12019-10-02. Service bulletin. This bulletin contains information on the adaptive cruise assist function.
A9019282056016_12019-09-09. Service bulletin. This bulletin contains repair instructions for DTC C12B3F2.
A9119842056004_12019-09-09. Service bulletin. This bulletin contains instructions to call TAC when DTC C110300 is present.
A9119772054301_22019-09-09. Service bulletin. This informational bulletin contains instructions for when the DTC C12EBF3 appears.
A9019252055906_12019-09-09. Service bulletin. This bulletin contains PSS instructions for when the Audi Adaptive light, pre sense malfunction, and the Adaptive Cruise Assist does not work.