Fault Codes:
Hyundai HX220 NL EPFC 441（168-18）
Fault Description:
Battery 1 voltage - Data valid but below normal operational range - Moderately severe level. ECM supply voltage is below the minimum system voltage level. Battery 1 voltage - data valid but below the normal operating range (moderate severe level). The supply voltage of the ECM is lower than the minimum voltage value of the system
Fault Location:
The Engine may stop running or be difficult to start.
