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Service bulletin TSB-94-07-18

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 id10032251
Published by NHTSA2010-02-25
Manufacturer's numberTSB-94-07-18
Manufacturer's date2007-11-29
NHTSA componentEXTERIOR LIGHTING:HEADLIGHTS:SWITCH

NHTSA's summary

AUDI: AUTOMATIC HEADLIGHT SWITCHES ON AND OFF WITHOUT REASON. AUTOMATIC HEADLIGHT SWITCHES ON TOO EARLY OR TOO LATE, SWITCHES OFF TOO LATE OR COMES ON TOO LATE WHEN THE SUN SHINES BRIGHTLY. AFTER REPLACING THE RAIN LIGHT SENSOR OR AFTER REPLACING THE WINDSHIELD, THE AUTOMATIC HEADLIGHT SWITCHES ON AND OFF WITHOUT REASON. HEADLIGHT CAN STILL BE OPERATED MANUALLY. POSSIBLE CAUSES COULD BE WINDOW DAMAGED/DIRTY IN SENSOR AREA; WHEN WINDOW WAS REPAIRED THE SENSOR WAS FITTED WITHOUT ADHESIVE PAD; AND SENSOR CODE FOR WINDOW IS WRONG; WRONG WINDSHIELD WAS INSTALLED; OR WIRING (PLUG/CONTACT LOOSE) DAMAGED. *PE

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

Vehicles listed
AUDI A32005
AUDI A32006, 2007, 2008
AUDI A42004, 2005, 2006, 2007, 2008
AUDI A62005, 2006, 2007, 2008
AUDI A82004, 2005, 2006, 2007, 2008
AUDI Q72007, 2008
AUDI TT2007
AUDI TT2008

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

Recalls for the same vehicles and component
05V0960002005-03-15. EXTERIOR LIGHTING:HEADLIGHTS

A recall listed here may apply to some of the same vehicles. Only the manufacturer can say whether it applies to one vehicle.

Other bulletins for the same vehicles and component
A9423672071954_12023-11-06. Service bulletin. This bulletin provides information pertaining to when there are foreign objects inside of a headlight or taillight.
A941200 2024877-2017-11-08. Service bulletin. Supersedes Technical Service Bulletin Group 94 number 12-83 dated July 9, 2012. Warning light for dynamic headlight range control is displayed in the instrument cluster. DTC 00003 / 14 (Control unit faulty) is registered in the dynamic headlight range control unit, address word 55. Both headlights function normally. Vehicles equipped with adaptive (cornering) lighting. New software version 0010 in the dynamic headlight range control module addresses this condition. If the headlight range control module has a software version lower than 0010 installed, then use the SVM code listed in Service to update the module. Some control units will already have software version 0010 installed but can still exhibit the conditions mentioned above. When this occurs, the software will need to be reflashed using a separate SVM code. The corrupt software will be overwritten. The software version does not change after the update.
A941435 2024877-2017-11-08. Service bulletin. Supersedes Technical Service Bulletin Group 94 number 12-00 dated December 21, 2012. The warning light for dynamic headlight range control is displayed in the instrument cluster. DTC 00003 - 14 is stored in the headlamp range control module, J431 (address word 55). Both headlights function normally. The vehicle is equipped with adaptive (cornering) lighting. There is a software issue in the dynamic headlight range control module.
A941329 2035920-2017-10-31. Service bulletin. Heavy condensation has built up in the headlight. Condensation only dissipates after the car is driven with the headlights on for at least ten minutes. There is no visible external damage to the headlight lens or housing. Humid outside air (such as during rain) can enter into the headlights through the ventilation hose.
A941675 2024896-2017-10-25. Service bulletin. The healight switch holder is broken, which causes the healight switch assembly to be loose or fall into the dashboard. The rivets that hold the headlight switch holder in the dashboard can break if the headlight switch is bumped (by driver entering vehicle).
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.
TSB-94-12-832012-09-07. Service bulletin. AUDI: THE INSTRUMENT CLUSTER DISPLAYS WARNING FOR HEADLIGHT DYNAMIC RANGE CONTROL MODULE. *PE
TSB-94-12-762012-09-07. Service bulletin. AUDI: DISPLAYED IN THE INSTRUMENT CLUSTER IS THE WARNING FOR THE DYNAMIC HEADLIGHT RANGE CONTROL. *PE
TSB-94-12-822012-08-14. Service bulletin. AUDI: INSTRUMENT CLUSTER ILLUMINATES SHOWING HEADLIGHT DYNAMIC RANGE CONTROL, WHICH MAY HAVE FAULTY CONTROL UNIT. MODELS A8, A6 AND AUDI Q7 (2008-13). *PE