Based on car owner complaints, the most common issues with the 2012 Audi S4 fall into the category of POWER TRAIN. Below we had classified the complaints into groups by components affected.
We have singled out the top-3 most critical reports that involved victims or injuries.
Very abruptly shifts up or down launching the car forward without warning
While driving in traffic, my car dropped into lower gears and stopped moving, and two error codes popped up "gearbox malfunction" and "tpms malfunctio...
Vehicle flashes a gearbox malfunction warning and most electronics went dead. vehicle would not accelerate causing me to nearly be rear ended. after t...