Fault Codes:
Hyundai HX220 NL EPFC 3151（4794-31）
Fault Description:
Aftertreatment SCR catalyst system missing - Condition exists. The aftertreatment SCR catalyst in the exhaust system is not present. The post-treatment SCR catalytic system is missing - this situation exists. The SCR catalyst for post-treatment is not installed in the exhaust system.
Fault Location:
Possible reduced engine performance. It may lead to a decline in engine performance.
