There are 4 owner-reported brakes complaints for the 2006 Audi A6in NHTSA's database. These are unverified consumer reports and may not reflect confirmed defects.
SEE ATTACHED MEMO.
THIS IS AN ON GOING PROBLEM WITH THE A6 (C6) PLATFORM. IF YOU HAVE YOUR PARKING BRAKE LIGHT ON, WHETHER IT BE RANDOM OR CONSTANT IT IS MORE THAN LIKELY THE PARKING BRAKE MODULE LOCATED IN THE TRUNK ON THE RIGHT HAND SIDE BEHIND THE SIDE PANEL CARPET. THIS IS A WELL KNOWN ISSUE THAT SHOULD HAVE BEEN CONSIDERED A RECALL. I HAVE SEEN PLENTY OF AUDI'S WITH THE ELECTRONIC PARKING BRAKE HAVE THIS FAILURE. HOWEVER IT IS AN EASY FIX AND ABOUT A 100-AND UP PART (I BOUGHT MINE USED FOR 120). BUT I THINK THIS SHOULD BE A RECALL.
PARKING BRAKE MALFUNCTION LIGHT ON. DEALERS FOUND PARK BRAKE SWITCH WAS FAULTY. *TR
I WAS PARKED AT A STOP LIGHT FACING DOWN A SLIGHT HILL. THE CAR SUDDENLY ACCELERATED AND CRASHED INTO THE CAR IN FRONT OF ME. AFTERWARDS, UPON INSPECTION, IT IS POSSIBLE WHILE AT IDLE TO DEPRESS THE BRAKE PEDAL WITH A LITTLE BIT OF PRESSURE TO THE FLOOR. MY FOOT MUST HAVE HIT THE ACCELERATOR WHILE THE BRAKE WAS SLOWLY BEING DEPRESSED. THE HARDER I TRIED TO BRAKE THE FASTER THE CAR WENT. I VISITED THE AUDI DEALER AND WE TRIED THIS EXPERIMENT IN A SIMILAR MODEL WITH THE SAME RESULT. THE DEALER SAYS THIS IS PART OF THE DESIGN! IT IS NOT POSSIBLE TO DO THIS IN MY OTHER CAR OR OTHER MODELS I HAVE CHECKED. I BELIEVE IT IS AN EXTREMELY DANGEROUS DESIGN AND COULD HAVE RESULTED IN A VERY SERIOUS ACCIDENT IF THERE WAS NO CAR JUST A FEW FEET IN FRONT OF ME. *JB
Complaints are unverified consumer reports submitted to NHTSA. A high complaint count may reflect vehicle popularity, not defect severity. Data sourced from NHTSA public records.
Data synced from NHTSA on Apr 26, 2026