So I've had a flashing adaptive lighting warning light on my dash for several weeks now. It's quite aggravating to be honest due to the fact its distracting while driving. Anyways, I finally took it to the shop and they told me the entire headlamp assembly needed to be replaced ($3100) which my extended warranty company says they will not cover. Does anyone have any suggestions on different things to try vs having to spend that kind of money for a new headlight? The lights shine evenly, the only thing I've noticed different is the driver side headlight isn't as bright as the passenger side and I don't think its rotating vertically anymore. High beams, and low beams work fine, lights still come on automatically when lighting gets dark outside etc. Any help or pointers on things I can try are greatly appreciated. Thank you.

 

I can't feature light intensity being an issue for the warning but I've seen others post that "giving them a couple raps" with your hands on them may make each return to their intended positions.
I don't have that feature on my XK so I hope others who have encountered the issue will chime in with something more complete and accurate than me.
Have you tried a thread search on the subject?

 

Yes sir I have done a search, and seen where "giving them a couple raps" have worked for some people, but after trying it SEVERAL times lol, still no change.

 

I'd also do a check of the wiring connectors (unplug/plug back in) on the affected unit as a just in case too. Otherwise, if bumping doesn't work and connectors are ok, you may be in the market for a replacement. eBay maybe?
Again though, others will have more knowledge than me on the subject.

 

Enroute30,
Hit both your lights very, very hard with the side of your fist, then make sure you lock the car a couple of times. Repeat a couple of times if it doesn't work the first or second time. I get the flashing warning several times a year along with the headlights crosseyed and pointing toward the ground, and this procedure has never failed to clear the warning and the problem.

 

tberg, I tried this about 3-4 times, but only hit the driver side light that seemed to be the one acting up. Followed by locking the car as well. Guess it wont hurt to try several more times, but with both sides this time.

 

This happened to me a while back. I locked the car and came back after a few hours. Before unlocking it, I smacked both sides hard with my palm and haven't had the problem since. I'm not sure if the smacking or locking the car solved the problem. You could try locking it and coming back after a few hours. It's an easy test and might be worth a shot.

 

What you do is take the module off the back of the faulty assembly and put it on the other side. Take that good one and put it on the faulty side assembly. See if the code follows the module or stays with the headlight assembly.
If the code moves with the module, just replace that and no need to replace the entire headlight.

 

Cee Jay, I will def give that a try and see what happens.

 

Why has no one suggested cleaning the ground connections? This is basic to any electrical malfunction. If there is not enough power to the modules, well....

 

Pulled the headlights and cleaned/checked all connections, tried the “beat on em” method too lol. Still no change.

 

Did you ever do the Swap Modules Side-to-Side to see if the fault stayed or moved with the module?

 

Cee Jay I forgot all about trying that while I had the headlights out, but it was a lot easier to remove them then I imagined it would be, so I will give that a try next and see what happens.

 

Enroute30,
When you beat on the headlight, you really have to hit it hard, and you need to lock the car after doing it, and then unlock and start the car. It typically, in my car, takes a couple of cycles, but always has worked.

 

I've done it several times just like stated above, with no success. But everytime someone tells me to do it I feel like it should work, so I'll keep trying it and hopefully it will eventually lol.

 

I have the same problem... did it finily work? Can you gave a up date please?

Thanks

 

There’s a few reasons for this failure including deteriorating wiring insulation within the headlamps, faulty AFS modules or faulty AFS ECU. Many threads on this forum regarding this topic.

 

Check the ground lugs on the chassis.

 

I have the same problem for the last 2 years and it happens about 3-4 times a year. The tberg-method works for me every time but the question remains why it works. Has tberg himself any idea or has someone else suggestions where to look for to explain the miracle of the tberg-method?

 

*sigh*