VW Passat B6 3C xenon headlight AFS (Kurvenlicht) fault troubleshooting and AFS module replacement

[@faycalguezguez1373]

Hi great Video, but it would be even greater if you make video on how you takeaprat the headlight from its original place.

[@xenonland]

We are on the technical side of the xenon repairs and only dealing with the xenon parts. All other mechanical stuff are left to mechanics. Unfortunately for this model, removal of the bumper is absolute must (working with a loose bumper just will lead to a bottom headlight leg damage, hence a condensation issue). There are three fixing tabs to be released in order to remove the headlight: two screws at the top (first tab), one at the inner side where the headlight meets the grill (second tab), and one at the very bottom (due to this bottom lug, you will not be able to remove the headlight from the car without removing the bumper, or under covers). Absolute torture to replace a simple bulb or ballast/module due to bumber being bulky. But in any case, we always recommand total removal of the headlight from the car in case of ballast/module failure to identify the condensation/moisture source. Otherwise any replacement ballast/module will burn again shortly. Thanks for your interest in our video.

[@JonasKorhonen]

I have dissassembled these B6 bixenon headlights many times, including changing the projector itself from the front of the housing by replacing the lense also. I would say im experienced with this peticular headlight.. Even still im facing an interesting issue right now... My car, 2007 passat highline with the bixenon is blowing the headlight adjustment fuse (10A) resaulting in AFS fault. The issue is fixed by unplugging the headlight temporarily and replacing fuse, until I drive the car on slippery roads and the traction control activates. I can drive long periods without AFS fault and the adjusting and other functions work 100%, also VCDS gives no errors and output test resaults in 100% function. Its only when the traction control activates when the car enters a sideways slip, the fuse blows, and if i replace the fuse without unplugging the headlight it blows again. I have dissassembled the ballast, control module and inspected fittings and wiring on the headlight and no issues visible. I am completely baffeled and I find this fault interesting and even funny. I will switch the control modules from R to L and vice versa to see if the suspected faulty control module blows the fuse on the "wrong" side. I have tested modules on the "wrong sides" no faults, only actuation is reversed, light turns L when commanded to turn R etc. If this doesnt confirm the module issue, I will use a jumper to get power to the headlight pin in question ( I figured the the fuse to supply the pin on the connector, but cant remember the number) and see if the issue is in the wiring loom. next I will change the actuator servos from R to L and vice versa to see if the other side fuse blows after that. Im interested to hear If you have any ideas why the traction control would cause the headlight to burn a fuse :D And to be clear, I can accelerate with the traction light flashing, its only when the TC applies brake to a corner in a slide when the fuse goes. I dont want to order a module before these diagnostic steps as the module is over 200 euros where I live.

[@gerzos4256]

Hi great video. I have bought a spare set of headlights from a 07 passat. These have gen 1 afs. I would like to upgrade the projectors and then swap the headlights into my 2009 r36 passat. Is this possible because because 2007 Passat has gen1 AFS, where 2009 passat has GEN2 AFS. do you know the differencec between gen1 and gen2 afs?

[@snabbstart1]

Thanks for a great video! I get the ASF inoperative error in my 2006 Passat. When checking I see that the error code is 02629 Left swivel module position sensor. However when I start the lights the left one does the up down side to side etc and the right one seems stuck (It goes a bit up and down. So the error code is on the working one. Do I need to change both? Or maybe only the motor in the right one...?

[@xenonland]

swivel module looks like this: www.ebay.de/itm/276044073766

[@xenonland]

From your post I understand that indeed your right headlight has AFS fault, but you get fault code for your left headlight. It should not be like that. Is there any fault code on RIGHT headlight?

[@snabbstart1]

@@xenonland The 02629 code is the only one coming from my reader. At least in the "Xenon range" category. My reader is a basic one where you have to look up faults in the respective categories... You probably know what I mean. So I could be missing it if it's in another category. Are there fault codes for example for the headlight motors? I will make a video of the lights tomorrow and post to youtube.

[@snabbstart1]

@@xenonland thanks for the link! Will think about it.

[@paulogeraldes2368]

Thanks

[@xenonland]

U R Welcome!

[@FDS225]

Hi, Im having an erratic low beam blink and AFS error. When it started to fail, occurred when braking or hitting a well, as if it were a false contact. The xenon bulb turns off and the afs error appear. Then I turn off and turn on again the lights and it works again. I remember once I change the xenon module (that is down of the headlight) with chinese replacement part....

[@amirshaikh6877]

Hello I have afs fault code 01042 along with many others headlight related codes like 02223 left headlight power output stage 02224 right headlight power output stage 02656 left headlight power output stage not coded 02657 right headlight power output stage not coded There dont seem to be water ingress marks but the clamps on which the screw is tightened is broken. Please help!!

[@saschakohler6793]

Hello XenonManiac, I have a problem with the AFS on my VW Passat B7. The computer shows that there is no power from the left main headlight. The low beam works normally, but the high beam and the automatic high beam do not work. But when I turn it on, the blue high beam indicator light on the display comes on. The AFS control unit is installed under the plastic housing of the headlight and is very difficult to access to repair or replace. Do you have an idea or could publish a video about it. Or you can't replace it at all and have to replace the entire main headlight, which is very expensive. Thank you for your reply. Greetings from Austria. 😊

[@xenonland]

Probably, the high beam mechanism is powered via the afs module as it is the case with B6 headlights. If the bixenon mechanism itself is not faulty, then your afs module is. Especially if you noticed condensation at your headlight, most probably the afs module is defective. Unfortunately you should take the headlight from the car to inspect properly (removing bumper etc...) and to replace the module. No need to change the entire headlight, just the afs module if the module is defective. If the bixenon shutter turns out to be faulty, then you should go for a new headlight

[@fasuer]

i have a 2007 passat While driving at night, afs malfunction occurs and this causes the left headlight to turn off. When I turn the headlights on and off using the headlight switch, the headlights return to normal. Is it possible to replace the AFS sensor without removing the bumper?

[@xenonland]

Better remove the bumper, otherwise risking to break the headlight tabs.

[@TactileTomb]

Dear! I have a 2010 Passat B6 with bixenon headlights. If im stationary and i am turning the steeringwheel the lights does not move. While i drive it looks like it's lighting too close to me and while i am turning i can't notice they are moving into the corner. When i start the car the lamps are moving and doing the reference run. (I do not have any error codes.) Is it posible that my headlights does not support AFS? or It's just a coding error. I would prreaciate if you could help me. Thank you for reading!

[@xenonland]

When you first star the car, does it make the "dance" to all 4 sides? Or just up and down?

[@TactileTomb]

@@xenonland yes it does. Down side back and up.

[@xenonland]

@@TactileTomb It should make the dance in all ways: up-down-right-left. Not only up-down. If not (given that you have factory fitted bi-xenon afs headlights), AFS function is not working.

[@TactileTomb]

I did not write it properly then. Left lamp goes down, left then back to the middle and up the right lamp goes down, right then back to the middle after up. So this is good i think but everything else is not 😅

[@MoleculeMedia]

@@TactileTomb Hi I have a similar issue in my car. Lights are suddenly super close on the street, when starting the car it does all the movement and while in corners no movement. Have you found what your issues were? I have not been to a workshop yet

[@Kevin-nm8hn]

Hello. I have a passat CC 2010, and wonder if the module from a regular passat 2008 will fit? Both have xenon but I don't know if the modules are the same

[@xenonland]

They are completely different. One is Valeo made, the other is AL made.

[@Kevin-nm8hn]

@@xenonland alright damn. Guess I'll need to pay then haha

[@hardcle]

I have a 2006 Passat. I have an AFS fault on the dashboard . Right side headlight comes on then goes out. Are both the ballast and the AFS bad or is a problem with one causing the other?

[@xenonland]

Ballast is only for the low and high beam. If the low beam works and you have AFS fault only at the dash, more probably your AFS module is faulty,

[@burimismaili4136]

Hello I want to ask about the AFS error in passat b7 euro spec.Does it have the same modules and motors are they replacable?

[@xenonland]

Yes euro spec and UK spec has same modules and motors

[@luckymefpv]

Is there a way to troubleshoot the afs module, would it look/smell burned? Thanks

[@xenonland]

Unfortunately since it does not generate voltage it would not smell burnt. If you see any oxidation on the electronic circuit (on the small bits/their legs), 99% burnt. Since it is sided, you can not swap it with the other side headlight. Only way (if no visible water/moisture damage) is to use diagnostic scanner or to find other Tuareg with same headlights.

[@Paulbroers1963]

Is the G474 sensor failure part of this module? Because I have a AFS problem at my dashboard. Diagnosis says G474 sensor.

[@xenonland]

GIVEN ALL WIRING/PLUGS IS INTACT, swivel sensor is a different story and is an independent part. In 1-2 days I will try to make another video showing and explaining the swivel sensor issue.

[@Paulbroers1963]

@@xenonland I’m very interested in the swivel sensor issue so that I can dissolve the problem with it

[@xenonland]

@@Paulbroers1963 Tomorrow for sure we will make short video regarding the swivel circuits,, sorry for the delay

[@Paulbroers1963]

@@xenonland is there still a video?

[@xenonland]

Just uploaded, sorry for the delay, it took time for a bit research and tech info from VW cat.

[@bimbrlok]

Hello Passat b6 2007, I have an AFS error. VCDS shows an error on both headlights. 02629 and 02628. Both errors refer to the sensor for swivel module position. Please help. What could be the cause of these errors. Thanks a lot.

[@xenonland]

www.ebay.de/itm/276044073766?mkcid=16&mkevt=1&mkrid=707-127634-2357-0&ssspo=kcsM2drvQye&sssrc=4429486&ssuid=kcsM2drvQye&var=&widget_ver=artemis&media=WHATS_APP

[@xenonland]

Very strange 🤔 to have same fault at both headlights

[@bimbrlok]

Thanks for the answer 😉. My headlights are from 09/2007. If you were to install headlights manufactured in 2010, would they need any modifications?

[@xenonland]

second phase 2008-2010 are different, most probably will not a direct swap@@bimbrlok

[@numastresa1892]

Hello. On my Passat the afs error appears when i turn left and it burns the fuse. Do you know what the problem is?

[@xenonland]

It can be everything at the thumbnail picture of the latest video, see kzbin.info/www/bejne/b5ybdpicjr2HgKc

[@Cristivwg]

Hello! On my passat when i start The car, the headlight make they'r test, work perfect, but after 10 second, the right headlight lowers a litle bit and apear în my bordcomputer afs inoperativ, what should i do? Thanks

[@xenonland]

AFS function in mainly related to the AFS module and horizontal headlight motor. In your case it looks like that the AFS module is for replacement since headlight motor is a mechanical part which either works or not. If you have a condensation in your headlight, more likely this module is burnt (or check if it is the original Valeo module GENUINE/Original part and is 7L6941330, if you have a different number or China replica again afs will (not) work erratic).

[@Cristivwg]

@@xenonland Thank you very much! I'll check what module I have

[@TomKlisanin]

I have AFS error. But when put key in and turn on lights projectors move in all sides and level themselves. But in drive right projector not moving. Only have cornering light working. Not many people here knows how to sort that 😔😔

[@xenonland]

Which year is your passat headlight? 2005-2008 or 2008-2010? Do you have AFS error at your dashboard?

[@TomKlisanin]

@@xenonland 2007. Dashboard dispaly shows AFS inoperative only when turn steering into right side

[@xenonland]

Please see the latest video on Passat 3C 2005-2008 kzbin.info/www/bejne/b5ybdpicjr2HgKc

[@xenonland]

It can be everything in the latest video, if you have condensation in your headlight control unit or the sensors can be burnt.

[@Ergin34]

So, i use 7L6907329 and 7L6907330 and 5M0907357 but i dont make coding yet. How can i afs coding passat 2006 b6 ?

[@xenonland]

Unfortunately we can not help with coding. We are specialized only in headlights and their blocks.

[@michaelmartins7457]

I’m having an issue, I turn on the car the lights go up and down and side to side, no problem When I’m driving at random times it will say afs inoperative, but the error disappears immediately. Only error I get is 02071:014 Hope you can help, thanks

[@xenonland]

02071 - Possible Symptoms - Control Modules connected to Local Databus not functioning, Possible Causes Wiring/Connectors from/to Control Modules in Local Databus faulty, Control Module in Local Databus faulty Possible Solutions Check/Repair Wiring/Connectors from/to Control Modules in Local Databus Check/Replace Control Module in Local Databus

[@xenonland]

AFS system is very complex system, please see last video on Passat AFS, you can see all parts including sensors consisting the whole system

[@michaelmartins7457]

I just saw the video, if the swivel motor position sensor is damaged in one of the sides, what are the symptoms? Will a diagnostics machine point directly to it? What do you advise me to do to solve the problem?

[@xenonland]

Unfortunately whether sensor circuit faulty or not can be understood only with diagnostic tool and you should get exactly the fault codes described in the video.

[@xenonland]

you should get exact fault code before doing anything, since as you can see a lot of parts consist of AFS system, and all of them are related.

[@nikc9272]

Hi do you have a video showing the swap on a MK6 AFS?

[@xenonland]

You mean 2010-215?

[@nikc9272]

@@xenonland yes Golf 2009-2013

[@xenonland]

This week we will try to make a video review on Golf 6 xenon AFS headlight

[@nikc9272]

@@xenonland looking forward to it :)

[@nikc9272]

@@xenonland My right hand low beam is not working - bend lighting AFS failure message and bulb light errors is showing on my MK6 Golf. I changed to new bulbs and the headlight is still not working. If I change the Black box part 7L6941329B would this sort my issue?