Fault Codes:Hyundai HX220 NL EPFC 3934（5851-2）
Fault Description:
Aftertreatment SCR Intermediate NH3 gas sensor power supply -Data erratic,intermittent or incorrect.Intermittent battery voltage supply detected at the aftertreatment SCR intermediate NH3 sensor. Post-processing SCR intermediate NH3 gas sensor power supply - unstable, intermittent or incorrect data. Intermittent abnormal power supply voltage of the NH3 sensor in the middle of the post-processing SCR was detected.
Fault Location:
Possible reduced engine performance. It may lead to a decline in engine performance.
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