Fault Codes:
Hyundai HX220 NL EPFC 1668（1761-4）
Fault Description:
Aftertreatment diesel exhaust fluid tank level sensor circuit -Voltage below normal or shorted to low source.Low signal voltage detected at the aftertreatment diesel exhaust fluid tank level sensor circuit. Post-treatment diesel engine exhaust fluid level sensor circuit - voltage lower than normal value or short-circuited to ground. The signal voltage of the exhaust gas treatment liquid level sensor is detected to be too low
Fault Location:
Possible reduced engine performance. It may lead to a decrease in engine power
