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View Full Version : A3 Sportback 2.0tdi - Rough Idle



Gavsta88
04-03-2013, 04:42 PM
Hi All!

Iv recently just purchased a 2005 Audi A3 Sport Back 2.0tdi with 119k miles with fsh.

Iv owned it for around 2 weeks and although at first i could feel a little rumble when it idles (common i was told/heard as its just something they "do") its alot more lumpier when sitting still.

I took it to my local garage to see if they would have a quick glance over it and plug it in to their diagnostics machine to see if it threw out any codes.

It did throw one code out, 18051 - P1643 and the wording with those codes were - Electronic Control Module Defective, Multifuntional control module.....Does this mean the ECU is buggered?

I was sold a warranty with the car and it stated Electronics were not covered. However looking at my consumer rights from buying from a dealer, surely this shouldnt be a problem for them to still take it off my hands and fix as it appears to have been sold


Many thanks for your replies, i wish my introduction was on a happier note!

Gavin