Table 1 shows one common electrical system related problems of the 2014 Audi S4.
| Problem Category | Number of Problems |
|---|---|
| Electrical System problems |
My 2014 Audi S4 has a epc light that keeps turning on while driving that car. The epc light will put the car into limp mode and will have a rough idle and can barley drive. When that light turns on you have to pull over immediately and restart the car to continue driving and is a complete safety hazard because it will happen when you are on the freeway. The light mainly turns on when you are trying to get up to speeds of the flow of traffic. I have taken it to the dealer many times to get this issue resolved and they keep saying there is no issue with the car what's so ever. I decided to try to figure out what was wrong with the car myself because the dealer was no help. When I look it up hundreds of forums show up talking about it and no one can figure out what is going on with the car and everyone is having the same issue and how the dealer is no help at all. One person said they took it to the dealer and there was a faulty wire on the ecu. I think its the ecu failing and doesn't know what to do.