We don't have a lot of Audi S4 electrical problems on file — feel free to add yours here. The most common S4 electrical problems cost $700 to fix & occur at 38,000 miles. Click on a year below.

Worst Electrical Problems
defective software 2014 Audi S4
voltage regulator failure caused car to go to limp mode 2011 Audi S4
no crank, no start 2012 Audi S4