Fault Codes:
Hyundai HX220 NL EPFC 3531（171-9）
Fault Description:
Ambient air temperature -Abnormal update rate.No communication or an invalid data transfer rate has been detected on the J1939 data link between the ECM and the ambient air temperature sensor. Ambient air temperature - Abnormal data update rate. It is detected that the J1939 data link communication between the ECM and the ambient air temperature sensor is interrupted or the data transmission rate is invalid
Fault Location:
Possible reduced engine performance. It may lead to a decline in engine performance.
