Fault Codes:
Hyundai HX220 NL EPFC 1777（2634-4）
Fault Description:
Power relay driver circuit -Voltage below normal or shorted to low source.An open circuit or low voltage has been detected at the power relay circuit. Power relay drive circuit - voltage lower than normal value or short circuit/open circuit to ground. The voltage of the power relay circuit is detected to be too low or open
Fault Location:
Possible reduced engine performance. It may lead to a decrease in engine power
