What does it mean that Audi A7 dashboard shows EPC?

Audi A7 dashboard shows epc refers to the failure of vehicle mechanical and electronic systems. The reasons for EPC on vehicles are: the throttle valve is dirty and needs to be cleaned; The brake light is not on, so it is necessary to check the brake switch and wiring; There is something wrong with the oil; If the engine is turned off due to improper operation, the indicator light will also light up, and the light will go out after re-ignition, indicating that everything is normal. Take Audi a7' s 202 1 40TFSI luxury model as an example. Its wheelbase is 2928mm, its body structure is a five-door four-seat hatchback, its fuel tank volume is 73l, its trunk volume is 535l, and its curb weight is 1895kg. Audi a7' s 202 1 40TFSI luxury model is equipped with a 2.0t turbocharged engine, with maximum horsepower 190ps, maximum power 140kw and maximum torque of 320nm, matching a 7-speed dual-clutch gearbox. The front and rear suspension type is multi-link independent suspension, and the driving mode is front drive. Million car purchase subsidy