Two problems related to vehicle shudder have been reported for the 2003 Audi A6. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2003 Audi A6 based on all problems reported for the 2003 A6.
Car shudders when accelerating mainly and also slightly felt when braking-dealer recommends replacement transmission.
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.