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09 C300 passenger mirror blinker - tips/tricks?

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Old 06-22-2024, 03:14 PM
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09 C300 passenger mirror blinker - tips/tricks?

Hi all
the car is throwing a notice on the dash message that the blinker in the passenger side mirror (forward facing) is out...
right blinker is ticking fast, so it seems legit (I only add this because it's been saying my license light is out too, but it isn't really)
I've gone through a lot of the threads here to find some comparable situations/fixes
but before I start unscrewing things, does anyone have any tips or tricks I should know that may keep me from finding out stuff the hard way?
thanks in advance
John
Old 06-22-2024, 05:22 PM
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Originally Posted by johncigars
Hi all
the car is throwing a notice on the dash message that the blinker in the passenger side mirror (forward facing) is out...
right blinker is ticking fast, so it seems legit (I only add this because it's been saying my license light is out too, but it isn't really)
I've gone through a lot of the threads here to find some comparable situations/fixes
but before I start unscrewing things, does anyone have any tips or tricks I should know that may keep me from finding out stuff the hard way?
thanks in advance
John
Yes, John we have the tip to save your efforts: use a scanner to test what's wrong! No disassembly needed for troubleshooting

I bet your solderless DCU "Door module" has a poor connection else mirror got wet or car washed too many time.
Testing will provide hard clues.

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