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BMW 3-Series (E90 E92) Forum
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Rear left turn signal not working (it is not the housing)
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02-19-2023, 09:42 PM | #1 |
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Rear left turn signal not working (it is not the housing)
Hi all,
I recently noticed my rear left turn signal on my 2011 E92 328xi LCI stopped working. Originally I thought it was a bulb or the tail light housing... but I was wrong. I swapped the housings and the rear left turn signal works fine on the rear right wiring harness! So now, I am not sure where to start. My research points towards the footwell module. Is this correct? Why would a footwell module only cause the left side not to function? Where should I start with my diagnosis? All help is appreciated. Cheers |
02-22-2023, 11:26 PM | #4 |
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02-22-2023, 11:27 PM | #5 |
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02-22-2023, 11:43 PM | #6 |
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I am not sure how often the FRM wants to see the short before it stops sending power.
Does it do it right away as to prevent any fires? If so, could a bulb internally short and cause the issue? Does it wait until it sees it a few times? I think there’s only 1 ground wire on the pigtail, you can check for continuity from the other power wires to chassis ground to see if any of the wires are touching ground. |
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