2004 Audi A6 Quattro Repair and Maintenance
A guide to problems, costs, maintenance and repair for your 2004 Audi A6 Quattro
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2004 Audi A6 Quattro ProblemsABS Light Due to Control Module Failure
The anti-lock brake system (ABS) control module may fail causing the ABS light to illuminate. Failed modules should be replaced to restore ABS operation.
The digital display portion of the instrument cluster may fail. Our technicians tell us the entire instrument cluster will need to be replaced to correct this concern.
2004 Audi A6 Quattro QuestionsESP light on (1 answer)
comes on while driving
EPS light comes on while driving. usually when i come to a stop
While driving the low oil light came on. And then the hose blew. The car shut down and after filling it with oil and repairing the hose, now the car won't start. Not even turn over. The EPC light is on as well.