# Service bulletin 940707

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.

- Type: Service bulletin
- NHTSA id: 10022456
- Published by NHTSA: 2007\-08\-15
- Manufacturer's number: 940707
- Manufacturer's date: 2007\-06\-29
- NHTSA component: EXTERIOR LIGHTING:HEADLIGHTS

## NHTSA's summary

AT AN IDLE, VIBRATIONS OR RESONANCE IN THE FRONT OF THE VEHICLE CAN CAUSE THE HEADLIGHTS TO VIBRATE. \*KB

## 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

- 2005 to 2008 AUDI A4

## Other bulletins for the same vehicles and component

- [A9423672071954\_1](/bulletins/10244595.md), 2023-11-06, Service bulletin: EXTERIOR LIGHTING:TAIL LIGHTS; EXTERIOR LIGHTING:HEADLIGHTS. This bulletin provides information pertaining to when there are foreign objects inside of a headlight or taillight.
- [A941565 2012749\-](/bulletins/10120003.md), 2017-10-21, Service bulletin: EXTERIOR LIGHTING:HEADLIGHTS. 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.
- [A94168220175666](/bulletins/10095155.md), 2017-03-15, Service bulletin: EXTERIOR LIGHTING:HEADLIGHTS:SWITCH. 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\-10\-38](/bulletins/10035345.md), 2011-02-16, Service bulletin: EXTERIOR LIGHTING:HEADLIGHTS. AUDI: DAYTIME RUNNING LIGHTS DO NOT WORK. DAYTIME RUNNING LIGHTS DO NOT WORK ON VEHICLES WITH XENON HEADLIGHTS. THE THUMB WHEEL OR OPTION FOR DAYTIME RUNNING LIGHTS IS TURNED OFF BY MISTAKE. \*PE
- [TSB\-94\-10\-12](/bulletins/10034746.md), 2011-01-10, Service bulletin: EXTERIOR LIGHTING:HEADLIGHTS:SWITCH. AUDI: AUTOMATIC HEADLIGHT SWITCHES ON AND OFF WITHOUT REASON. HEADLIGHT TURNS ON OR OFF EARLY OR LATE WHEN THE LIGHT WITCH IS IN THE AUTO POSITION; AFTER REPLACING THE RAIN LIGHT SENSOR G397 OR AFTER REPLACING THE WINDSHIELD, THE AUTOMATIC HEADLIGHT MAY TURN OR OFF WITHOUT CHANGE OF AMBIENT BRIGHTNESS. HEADLIGHTS OPERATE NORMALLY IF THE LIGHT SWITCH IS IN THE ON OR OFF POSITION. \*PE
- [TSB\-94\-09\-31](/bulletins/10033334.md), 2010-08-09, Service bulletin: EXTERIOR LIGHTING:HEADLIGHTS. AUDI: XENON HEADLIGHT FLICKERS OR IS INOPERATIVE ON ONE SIDE \(DTC 00978 OR 00979\). XENON ON ONE SIDE FLICKERS OR IS INOPERATIVE INTERMITTENTLY OR PERMANENTLY\); XENON BULBS WERE MANUFACTURED BY PHILIPS; DTC 00979 \(RIGHT LOW BEAM HEADLIGHT M31 ELECTRICAL FAULT IN CIRCUIT\); DTC 00978 \(LEFT LOW BEAM HEADLIGHT M29 ELECTRICAL FAULT IN CIRCUIT\). \*PE
- [TSB\-94\-07\-13](/bulletins/10032269.md), 2010-02-27, Service bulletin: EQUIPMENT ADAPTIVE/MOBILITY; EXTERIOR LIGHTING:HEADLIGHTS. AUDI: ADAPTIVE LIGHTING, HEADLIGHT RANGE CONTROL WARNING. HEADLIGHT RANGE CONTROL WARNING IS ON IN THE DRIVER INFORMATION DISPLAY. AFTER CYCLING THE IGNITION WARNING SYMBOL IS OFF AGAIN. \*PE
- [TSB\-94\-07\-18](/bulletins/10032251.md), 2010-02-25, Service bulletin: EXTERIOR LIGHTING:HEADLIGHTS:SWITCH. 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
- [SB\-94\-09\-20](/bulletins/10032191.md), 2010-02-17, Service bulletin: EXTERIOR LIGHTING:HEADLIGHTS:HIGH/LOW BEAM DIMMER SWITCH. AUDI: THERE ARE TWO SEPARATE CONDITIONS THAT BOTH OCCUR IN VEHICLES WITH BI\-XENON, WITH OR WITHOUT ADAPTIVE LIGHTING \(AFS\). ONE XENON LIGHT ON EITHER SIDE SPORADICALLY FLICKERS OR FLASHES AND GOES OUT. ONE XENON LIGHT ON ONE SIDE FAILS PERMANENTLY. \*PE
- [TSB\-94\-09\-12](/bulletins/10030630.md), 2009-10-31, Service bulletin: EXTERIOR LIGHTING; EXTERIOR LIGHTING:HEADLIGHTS. AUDI: HEADLIGHT, LOW BEAM MAY NOT WORK. THERE ARE TWO SEPARATE CONDITIONS THAT BOTH OCCUR IN VEHICLES WITH BI XENON, WITH OR WITHOUT ADAPTIVE LIGHTING\(AFS\). ONE XENON LIGHT ON EITHER SIDE SPORADICALLY FLICKERS OR FLASHES AND GOES OUT. ONE XENON LIGHT ON ONE SIDE FAILS PERMANENTLY. \*PE

JSON: [/v1/bulletins/10022456](/v1/bulletins/10022456)

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