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Rumbling woofer and faulty back up camera


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Hi Scotty. I have a 2015 Mercedes GLA250 FWD.  The backup camera only works 1/2 the time and my trunk mounted woofer is making strange noises.  The nice mechanic lady said it can only be diagnosed if I bring it in when the camera isn't working (and of course it was working that day.)  The computer codes say only that there is a communication problem with the camera. The backup camera was replaced once under warranty.

thank you!

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1 Answer

It probably didn't occur to the nice "mechanic" lady that the hatch wiring harness is faulty.