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General E46 Forum
This is the place to get answers, opinions and everything you need related to your E46 (sedan, coupe, convertible and wagon) BMW!

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Old 10-17-2012, 08:24 PM   #1
01black330i
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No turns, no fogs, no brights?!

It's exactly what it looks like. I woke up this morning, went out to the car, and started driving. I realized the turns weren't working. Upon further inspection I realized that the fogs would not come on, and the brights weren't working! What's going on here?
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Old 10-17-2012, 08:48 PM   #2
choxor
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Have you checked fuses.
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Old 10-17-2012, 09:06 PM   #3
Andy2108
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maybe your lcm has failed
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Old 10-17-2012, 11:43 PM   #4
01black330i
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I checked and couldn't find turn signal fuses. I found break and fog. I dont know what the ICM is. What is it and how do I check to see if it's malfunctioning? thx
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Old 10-18-2012, 12:10 AM   #5
Andy2108
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sorry, LCM. Light Control Module.
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Old 10-18-2012, 12:12 AM   #6
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Are they working, but, just not showing up on the instrument cluster? If they really aren't working it sounds like the LSZ (LSZ is basically what the light control module is called on the E46) is bad. LSZ is the module with the big headlight switch on the dash. That guy controls the headlight, fogs, brights, turn signals and marker lights.

Last edited by scottjoh; 10-18-2012 at 12:14 AM.
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Old 10-18-2012, 06:03 AM   #7
01black330i
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No, they aren't working at all. No indicator on the dash lights up, nor do they physically work. If I try to replace the LSZ, is it difficult? Do I need to have someone do it, or can I attempt to do it? I feel that it is something that controls the cluster of lights. I can't imagine something like all separate fuses all going at once. Also when I shut the car down, there was a series of beeps that went off. Does that mean anything?
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Old 10-18-2012, 11:41 AM   #8
FenderGuy05
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When i turn the car off with headlights on, the car beeps to let me know to turn the lights off. Maybe that's it?
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