What does the EPC light mean in Volkswagen?

[DiAmara]

Possible reasons for the EPC light to illuminate: The car's throttle is dirty and needs cleaning. Brake system malfunction, in which case the brake light may also not work. Fuel quality issues, which can trigger the EPC warning light. EPC (Electronic Power Control) stands for Electronic Power Control system. When a sensor fails or detects an abnormal condition, the control system will take appropriate measures based on pre-set protocols. Reasons for the EPC light to illuminate include: Engine intake system malfunction, throttle failure, fuel system issues, Engine faults, ECU control unit problems, brake light failures. Solutions for EPC light illumination: Troubleshoot intake system issues, use compliant fuel, clean the throttle body, etc. Remove carbon deposits and clean related components. Re-flash relevant data (this is done when other issues have been resolved but the light persists). Other faults cannot be ruled out; proceed with repairs based on actual vehicle diagnostics. If the EPC light comes on, follow these steps: Restart the vehicle and check if the EPC light turns off. If it does, there may be no serious issue, as the EPC light can sometimes illuminate due to external interference. If the EPC light frequently illuminates over a period, first check if the brake lights are functioning. If they are not, inspect the brake switch, bulbs, and wiring (sometimes a faulty brake bulb can cause this issue; replacing it may solve the problem). If the EPC light remains on after checking the brake lights, visit a 4S shop for further inspection. The EPC indicator usually displays in two colors: yellow and red. A yellow EPC light means the vehicle can still be driven, but proceed cautiously to a repair point. A red EPC light indicates a serious issue; pull over immediately and contact a technician. Continuing to drive may damage core components or compromise safety.