Fault Codes:Hyundai HX220 NL EPFC 529(703-3)

Fault Description:

Auxiliary input/output 3 circuit - Voltage above normal, or shorted to high source. Low signal voltage has been detected at the auxiliary input/output 2 circuit The voltage is too high or there is a short circuit to the high power supply. The auxiliary input/output 2 circuit detects a low signal voltage

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