Cummins X15 CM2450 X124B (2018 & Newer) Fault Code: 3748 PID: SPN: 3216 FMI: 20 Aftertreatment 1 Intake Nox Sensor- Data Not Rational- Drifted High
Circuit DescriptionThe aftertreatment intake NOx (nitrogen oxides) sensor is a smart device and communicates with the engine control module (ECM)...