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Door cards have to be removed to directly access the speaker terminals. Alternatively, the harness connectors can be unplugged at the...

Many thanks. I was hoping that a test signal would have been sent to each speaker resulting in an audible output. Btw there was a long...

My 2015 Audi A4 8k has sound problems. A scan shows the following for Address 56 Radio - dtc 02558 for left rear speaker R159 dtc 02559...