2004 VW passat you started the car drove for a bit and then the car turned off you restarted the car and the epc light came on what does this mean?

2004 VW passat you started the car drove for a bit and then the car turned off you restarted the car and the epc light came on what does this mean?
The EPC light means something is wrong in the drive-by-wire path, the "gas pedal" potentiometers or the electric motor-controlled throttle body, etc.