Fault Codes:Hyundai HX220 NL EPFC 3237（4340-3）
Fault Description:
Aftertreatment diesel exhaust fluid line heater 1 circuit -Voltage above normal or shorted to high source. High signal voltage detected at the diesel exhaust fluid line heater 1 circuit. Post-treatment diesel engine exhaust treatment fluid pipeline heater 1 Circuit - voltage higher than normal value or short-circuited to high power supply. The signal voltage of circuit 1 of the exhaust gas treatment liquid pipeline heater is detected to be too high.
Fault Location:
Possible reduced engine performance. It may lead to a decline in engine performance.
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