Apr 17, 2011 ... said ESP Fault. Anyone have any ideas? Would a battery be the problem? I have the 2yr factory backed warranty AudiPlus and I.... esp fault audi q7 won%27t start, Jul 30, 2020 if your audi q7 vehicle won't start, you are most likely dealing with a drained battery caused by alternator or.... If there is a problem in the system, You will have to read the codes and correct the fault for the light to go out. However, If the ESP light has come on after you... 538a28228