A6 C6 Avant facelift headlight issue

[Forbez]

Hi all, looking for some help from you knowledgable people, please.

A few days ago I got the ’Right dipped Headlight’ fault appear on the dash.

I’ve bought a replacement bulb from GSF

42V Bulb - D3S (Gas Discharge Lamp) | GSF Car Parts

Shop 42V Bulb - D3S (Gas Discharge Lamp) from GSF. We have everything you need for your vehicle. Enjoy fast, free UK delivery over £25 or pick up in-store at one of our nationwide branches.

www.gsfcarparts.com

They seem to match the text on the one removed, but it doesnt work when replaced.

I had tried to check new bulb on the left hand headlight. But couldnt get close to removing the bulb cover in the left side, could open it, but not move it enough to get my hand in. (Its also -1 out and dark)

Could the bulb be wrong? Or could it be an electrical wiring issue, would this give the same error?

I have an MOT this friday, so perfect fecking timing!


Any thoughts or suggestions?

2009 A6 Avant Le Mans facelift.


Bootlid rear light 1 of 4 has failed recently
Heaters / Blowers have failed.
And now this.

Thanks Tom

Original headlight bulb

Rear of original bulb

Replacement bulb

Rear of replacement bulb

 

[Darren92]

Probably the ballast on the bottom of the headlamp

 

[CupraDine]

As already mentioned it's likely the ballast, the bulb looks correct and should be a D3S.

If you can swap the bulbs to confirm the issue is probably the ballast then that's a good start. It will require the bumper off to get the light out to get to the ballast unit. One of those while you're there jobs, you'd be best also changing the other. As you have an MOT soon they will align the lights as they are a pain to put back perfectly so you're not blinding everyone

 

[NHN]

As above, if bumpers of just swap both bulbs, personally I've gone led d3s bulbs & haven't looked back, hids-direct sell good D-Lumina units for very reasonable prices.