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Service bulletin A091600 2046321_

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 id10090980
Published by NHTSA2017-02-08
Manufacturer's numberA091600 2046321_
Manufacturer's date2016-12-19
NHTSA componentEXTERIOR LIGHTING:HEADLIGHTS

NHTSA's summary

THIS REPAIR AUTHORIZATION IS FOR DTC B12ECF2 AND DTC B12EDF2 WHEN THE LED CONTROL MODULE HAS HAD WATER ACCESS IT.

The document

No address for NHTSA's copy can be built for this communication. Ask the dealer for it by the manufacturer's number.

Components

Lighting, Headlights

Trouble codes named

B12EC, B12ED

Vehicles listed
AUDI A3 CABRIOLET2016 to 2017
AUDI A62016, 2017
AUDI Q32016, 2017

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
A9424722073282_12024-04-04. Service bulletin. This bulletin provides information on visual concerns with the headlight lens.
A9423672071954_12023-11-06. Service bulletin. This bulletin provides information pertaining to when there are foreign objects inside of a headlight or taillight.
A0023692031473_42023-06-06. Service bulletin. This bulletin provides information for when car wash bristles become stuck in the body gap between the headlight and fender.
A0021472031473_32021-07-02. Service bulletin. This information bulletin states to remove the car wash bristle and advise the customer to go somewhere else to prevent it from occurring again.
A941566 2017566-2017-10-21. Service bulletin. Supersedes Technical Service Bulletin Group 94 number 13-12 dated March 29, 2013. The headlight switch knob was designed with a normal position and a pushed-in position. This feature was designed to avoid injuries during a collision.
A941565 2012749-2017-10-21. Service bulletin. Supersedes Technical Service Bulletin Group 94 number 12-92 dated October 24, 2012. Condensation is visible on the inside of the headlight, taillight, fog light, side marker light, front turn signal, daytime running lights, or third brake light lens.
A941682201756662017-03-15. Service bulletin. THE BULLETIN STATES A NORMAL FUNCTION OF THE HEADLIGHT SWITCH AND HOW TO FIX BUT NOT REPLACE. DEALER IS TO ADVISE CUSTOMER ON WHY THE HEADLIGHT SWITCH PRESSES IN.
A94168203137832017-03-15. Service bulletin. THIS BULLETIN LISTS INSTRUCTIONS FOR WHAT TO REPLACE WHEN A DIMMER CAP IS MISSING FROM THE HEADLIGHT SWITCH.