There are 9 owner-reported powertrain & transmission complaints for the 2003 Audi A6in NHTSA's database. These are unverified consumer reports and may not reflect confirmed defects.
FAILED CT EMISSIONS TEST. CHECK ENGINE LIGHT ILLUMINATED. CONFIRMED CODE TO BE P0741. INFORMED BY AUTHORIZED TECHNICIAN THAT THE TORQUE CONVERTER REQUIRES REPLACEMENT. *TR
TORQUE CONVERTER DISENGAGES AND POWER / RPM SURGE OCCURS. *TR
TRANSMISSION STARTED TO SHUDDER AND SOMETIMES THE TRANSMISSION DOES NOT GOES TO NEUTRAL WHEN THE CAR IS STOPPED, ENGINE REVS AND IT IS DIFFICULT TO STOP. PRND DISPLAY ON DASHBOARD IS BLINKING. CHECK ENGINE LIGHT IS ON. FAULT CODE SHOWS FAILURE ON TRANSMISSION CONTROL MODULE. *TR
CAR COMPLETELY STOPPED IN THE MIDDLE OF HIGHWAY AND CAR BEHIND ALMOST HIT ME. TRANSMISSION FAILED SUDDENLY. IT HAD TO BE REPLACED. RECURRING PROBLEM WITH AUDI A6 3.0 2003 CVT. *TR
CAR SHUDDERS WHEN ACCELERATING MAINLY AND ALSO SLIGHTLY FELT WHEN BRAKING-DEALER RECOMMENDS REPLACEMENT TRANSMISSION. *TR
2003 AUDI A6 HAD PROBLEMS WITH THE ENGINE LIGHT, SMOKING, AND LITTLE TO NO ACCELERATION. CONSUMER STATES THAT AFTER A FEW REPAIRS THE PROBLEM IS NOT SOLVED AND WANTS TO BE REFUNDED HER MONEY. *NJ THE DEALER INFORMED THE CONSUMER THE #1 AND #3 COIL NEEDED TO BE REPLACED. THE CONSUMER DROVE LESS THAN A MILE AND THE CHECK ENGINE LIGHT CAME BACK ON BLINKING AND THE VEHICLE WAS MOVING VERY HARD. WHEN THE CONSUMER RETURNED TO THE DEALER, THEY DIAGNOSED THE VEHICLE AGAIN, THE CONSUMER WAS TOLD THE #6 IGNITION COIL NEEDED TO BE REPLACED. BECAUSE NO ONE EVER TEST DROVE THE VEHICLE WHEN IT WAS SUPPOSE TO BE FIXED THE FIRST TIME, THE DEALER REPLACED THE #6 COIL FOR FREE. THE CONSUMER LEFT THE DEALERSHIP AGAIN ONLY TO HAVE THE ENGINE LIGHT COME AGAIN, BUT IT WASN'T BLINKING. THE DEALER DIAGNOSED THE FAILURE AND STATED IT WAS THE TORQUE CONVERTER CLUTCH CIRCUIT PERFORMANCE. *JB
I HAVE HAD NUMEROUS PROBLEMS WITH MY 2003 AUDI A6 CVT TRANSMISSION. THE ENTIRE TRANSMISSION HAD BEEN REPLACED RECENTLEY, BUT THE SLIPPING OUT OF GEAR PROBLEM CONTINUES WITH NEW ONE. THE SAN DIEGO AUDI DEALERS HAVE TOLD ME THAT THEY CANNOT FIND THE PROBLEM, BUT HAVE TOLD ME TO LET THE TRANSMISSION FAIL COMPLETELY AGAIN AND THEY WILL REPLACE IT UNDER WARRANTY AGAIN. *AK
CAR SHAKES AND SHUDDERS WHEN COMING TO A STOP. WHEN TRYING TO START FROM A STOP, CAR HESITATES BEFORE MOVING. CAN ROLL BACKWARDS IF CAR IS ON AN UPHILL INCLINE. NATURAL RESPONSE IS TO DEPRESS GAS PEDAL FURTHER. TRANSMISSION THEN ENGAGES AND CAR LURCHES FORWARD. TOOK CAR TO DEALER 3 TIMES. FIRST TIME TRANSMISSION FLUID TOPPED OFF. SECOND TIME TRANMISSION CONTROL UNIT SOFTWARE UPGRADED. 3RD TIME WE WERE TOLD THAT THE PROBLEM CANNOT BE FIXED, EVEN WITH TRANSMISSION REPLACEMENT.*AK
WHILE PUTTING VEHICLE IN THE REVERSE MODE IT WILL START SHAKING AND VIBRATING. *AK
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 May 4, 2026