Fault Codes:
Hyundai HX220 NL EPFC 3562（5491-3）
Fault Description:
Aftertreatment diesel exhaust fluid line heater relay-Voltage above normal or shorted to high source.High signal voltage detected at the diesel exhaust fluid line heater relay. Post-treatment diesel engine exhaust treatment fluid pipeline heater relay - voltage higher than normal value or short-circuited to high power supply. The relay signal voltage of the exhaust gas treatment liquid pipeline heater was detected to be too high.
Fault Location:
Possible reduced engine performance. It may lead to a decline in engine performance.
