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Faults, Fixes and DIY Please share your experience and knowledge with other members by contributing your own DIY, or by helping another member find the elusive fix!


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Old Wed, Aug-29-2018, 04:17:12 AM   #1
Pardeep
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Default All bulb warning lights came on, LCM (light control module) didn't work

Hey, I've got a problem that is really getting to my nerves here.
All of my lights currently work (except for the fog lights) however the car is giving me faults saying that all of the lights are out.
I thought it might be the LCM, ordered it in and plugged it in and it still has the same issue.
Any ideas? Checked all the fuses they look fine, besides the headlights wouldn't be on if the fuse was bad.
Thinking it might be a bigger ECU issue which I'm dreading.

Any and all help is much appreciated, thank guys!

2002 e46 m3.
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Old Fri, Sep-14-2018, 02:40:47 AM   #2
Pardeep
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Default Re: All bulb warning lights came on, LCM (light control module) didn't work

I think it might be a faulty ground, the electrical wires might have melted together at some point. This is a worst case scenario as it won't be easy to find. But easy to fix once found.
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Old Mon, Sep-17-2018, 08:00:23 PM   #3
Pardeep
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Default Re: All bulb warning lights came on, LCM (light control module) didn't work

Bump! Someone has to have a similar problem before please help!
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Discussing All bulb warning lights came on, LCM (light control module) didn't work in the Faults, Fixes and DIY Forum - Please share your experience and knowledge with other members by contributing your own DIY, or by helping another member find the elusive fix! at BMW M3 Forum.com (E30 M3 | E36 M3 | E46 M3 | E92 M3 | F80/X)