Fault Codes:
Hyundai HX220 NL EPFC 3526(84-9)
Fault Description:
Wheel-Based vehicle speed-Abnormal update rate.No communication or an invalid data transfer rate has been detected on the J1939 data link between the ECM and the wheel-based vehicle speed sensor. Wheel speed signal - Abnormal data update rate. It was detected that the J1939 data link communication between the ECM and the wheel speed sensor was interrupted or the data transmission rate was invalid.
Fault Location:
Engine speed limited to maximum engine speed without VSS parameter value.Cruise control,gear-down protection,and road speed governor will not work. The engine speed is limited to the maximum speed without the vehicle speed signal parameter. The cruise control, downshift protection and vehicle speed adjustment functions will be invalidated.

