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      08-15-2015, 06:02 PM   #1
rjc03001
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Trunk lid tail light problem

Hi, both sides of the reverse lights in the trunk lid of my 06 330xi are not working. Through INPA, I found the attached codes, 9CBC, 930D and 9322. 9CBC corresponds to a short circuit. I checked continuity from ground of each bulb to the center pin of every bulb and found no shorts. I check continuity from each center pin of every bulb to each other and found no shorts.

I don't know much at all about coding, but can someone let me know if this is a software issue and how to resolve?

The bulbs all check out OK with a multimeter, but any chance they were the wrong bulbs to begin with?
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Last edited by rjc03001; 08-15-2015 at 06:54 PM.
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      08-16-2015, 09:12 PM   #2
rjc03001
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Also these errors indicate that the warning light will not light up, but the warning light (looks like a light bulb), is displayed on my dash.
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      08-17-2015, 09:34 AM   #3
matteblue3er
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The FRM will store a short circuit if the fixture has been out for 50+ ignition cycles as well. It does not actually have to be a short circuit.

The short circuit counter has to be reset via Tool32. An FRM1 CAN be reset. I don't care what anyone else says. I just did a reset on a 2007 335 FRM1 this weekend at Bimmerfest. It's possible.
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