Fault Codes:
Hyundai HX220 NL EPFC 840-2
Solution:
1. Check for open circuits or short circuits in the CN-56A(#5)-CN-52(#01) lines 2. Check for open circuits or short circuits in the CN-56A(#4)-CN-52(#02) lines
Fault Description:
For 60 seconds, the communication data of the instrument group is incorrect
Fault Location:
1. Control function - Instrument group operation failure
