Fault Codes:
Hyundai HX220 NL EPFC 1691（100-18）
Fault Description:
Aftertreatment diesel oxidation catalyst conversion efficiency -Data valid but below normal operating range -Moderately severe level.The temperature increases across the aftertreatment catalyst is lower than expected The data is valid but below the normal working range (moderate to severe level). The temperature rise of the post-treatment catalytic converter was detected to be lower than expected
Fault Location:
Possible frequent need for aftertreatment regeneration. Frequent post-processing regeneration may be required
