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U1A39-87 error - adaptive headlamp failure
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Madrilleno
 


Member Since: 13 Oct 2014
Location: Nottingham
Posts: 1746

England 2012 Discovery 4 3.0 SDV6 HSE Auto Santorini BlackDiscovery 4

Later on I changed my sidelight bulbs for LEDs. This time I didn't get a failed unit. It could have been something from the LED affecting the headlamp, but I very much doubt it. I think it's much more likely, that the actuator mechanism was damaged somehow when I removed the headlamp. Now I took great care when handling it, but one thing I cannot guarantee was that I didn't turn the unit over when I had removed it.
I still haven't seen a post on here from someone who has successfully repaired one.
 There are two rules for success,
1. Never tell everything you know.



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Post #157754014th Dec 2015 3:44 pm
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