Adaptive Headlight Icon
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Some times, not often, the controller on the backside of the headlight unit goes bad and must be replaced, but those are easy to diagnose by swapping the controller side-to-side, and are usually obvious by looking at the headlights/patterns, where one light doesn't move correctly or at all. This is not very common.
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I am having the same issue. The light icon is on and both my headlights point at the ground. I tried the tap on method a few times but no go Its strange because only 1 light was doing it at first and the message would come and go as it reset itself now all the sudden both are pointed down. Is there any type of programming or reset? I did change the battery in the middle of all this happening.
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Wouldn't you know it, I commented earlier today about how it's been about a year since the warning light has come on, and then as I pull into my driveway about 15 minutes ago, and it comes on. I turned off the car and locked, pounded the two lights, got back into the car and started it, and the warning was still there. I then repeated the process and warning disappeared as predicted. Back to normal now.
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Hi all,
I also wrote on the forum about my intermittent AFS issue (amber blinking warning light & left headlight pointing down).
Latest attempt to fix was to ensure that the mass connection behind the wheel liner near the left headlight was really ok.
I had my mechanic remove the front left wheel liner and clean & retorque this mass connection. This mass connector is infamous for causing various problems on XK with lights such as indicators. Not sure if also AFS may be affected by it. But it was worth a try and for the time being I didn’t get the AFS warning anymore since then (however only one month ago).
If both headlights are pointing down, a possible culprit could also be the AFS control module located in right A-pilar. There is a TSB out there on this, search forum.
Personally, I have not read much about the 2 modules mounted behind the headlights to cause these AFS issues, but keen to hear about details if available.
Br,
ter
I also wrote on the forum about my intermittent AFS issue (amber blinking warning light & left headlight pointing down).
Latest attempt to fix was to ensure that the mass connection behind the wheel liner near the left headlight was really ok.
I had my mechanic remove the front left wheel liner and clean & retorque this mass connection. This mass connector is infamous for causing various problems on XK with lights such as indicators. Not sure if also AFS may be affected by it. But it was worth a try and for the time being I didn’t get the AFS warning anymore since then (however only one month ago).
If both headlights are pointing down, a possible culprit could also be the AFS control module located in right A-pilar. There is a TSB out there on this, search forum.
Personally, I have not read much about the 2 modules mounted behind the headlights to cause these AFS issues, but keen to hear about details if available.
Br,
ter
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Cee Jay (03-23-2019)
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BEFORE you go there, arm yourself with some knowledge...
Do one or both lights aim weird? Do they move at all when first on or while turning? If only one is a problem, it may be the controller on the back of the light assembly, and you could verify that by removing both headlights and swapping the controller thing and see if the problem either follows the controller (simple fix) or stays with the same headlight (larger problem).
Do one or both lights aim weird? Do they move at all when first on or while turning? If only one is a problem, it may be the controller on the back of the light assembly, and you could verify that by removing both headlights and swapping the controller thing and see if the problem either follows the controller (simple fix) or stays with the same headlight (larger problem).
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jjackerson (07-05-2019)
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