Fault Codes:
Hyundai HX220 NL EPFC 3559(3361-4)
Fault Description:
Aftertreatment diesel exhaust fluid dosing unit -Voltage below normal or shorted to low source Low signal voltage detected at the aftertreatment diesel exhaust fluid dosing unit Post-treatment diesel engine exhaust treatment fluid injection unit - voltage lower than normal value or short-circuited to low power supply. The signal voltage of the exhaust gas treatment liquid injection unit was detected to be too low.
Fault Location:
Possible reduced engine performance. It may lead to a decline in engine performance.

