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-   -   Light control module fault.adaptive xenons related? (https://xoutpost.com/bmw-sav-forums/x5-e53-forum/96387-light-control-module-fault-adaptive-xenons-related.html)

four.8is 03-18-2014 05:49 AM

Light control module fault.adaptive xenons related?
 
1 Attachment(s)
Got some abs and suspension codes reset today after I replaced the old weak battery with a new one and most of them are gone but this LCM light check module looks like it's faulty.
Now everything works but I noticed when I turn the wheel to the right the adaptive lights work just fine but when I turn to the left they don't turn anymore they just return to initial middle position...what am I looking at?probably I should mention the passenger side angel eye bulb was burnt and I replaced it right after diagnose but didn't check for faults again.i can't think that has anything to do with the LCM but I might be wrong..
Here's a picture with the code:

Attachment 62685

Ricky Bobby 03-18-2014 06:12 AM

Sounds like one of the stepper motors for the adaptive lights could be bad

four.8is 03-18-2014 06:18 AM

Quote:

Originally Posted by Ricky Bobby (Post 986082)
Sounds like one of the stepper motors for the adaptive lights could be bad

That means taking apart the headlight right?...I'll have to look into it..not willing to go as far as opening the headlight just for that. MAN I hate things that don't work...

four.8is 03-18-2014 06:28 AM

Now I'm reading this on another forum:

a) the headlight switch has to be in Auto position
b) if you're parked, only the passenger side will move
c) when moving, both sides should move.

That gets me thinking ...then nothing is actually wrong cuz I did the test parked so it's normal just the passenger side to move..hmm...
What is throwing a fault at the LCM then?...

TerminatorX5 03-18-2014 09:45 AM

going from the memory ( I need ro reconfirm this info)

i would say that stepping motors are fine... the lights should move:

LHD car, US specs, when parked, engine running, lights on autolight, steering wheel at center

steering wheel to the right

left light turns right about 8*, right light turns right about 15*

steering wheel to the left

left light not moving, right light not moving ( return to center, if they were to the right).

car is moving

steering wheel to the right

left light turns right 8*
right light turns right 15*

steering wheel to the left
left light turns 15*
right light turns 8*

car is in reverse, the lights are in the center, not moving

light switch is in manual - the lights in the center, not moving

Those numbers are nominal, and actual number can vary...


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