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Ok, so you think the head unit is probably gone. I wonder if there is some extra check to do to be sure it's the root cause. I say this because dealer connected the new unit just a few seconds to show me the ice icon lighted up on the display but, it usually come up each time I crank up the engine after a short stop. Then it goes off after seconds from start. Anyway, I have another head unit coming from an Audi A4 with a different code but from same year. Could it fit my 986?
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