Cummins X15 CM2450 X124B (2018 & Newer) Fault Code: 1881 PID: SID 324 SPN: 3251 FMI: 4 Aftertreatment Diesel Particulate Filter Differential Pressure Sensor Circuit- Voltage Below Normal or Shorted to Low Source
Circuit DescriptionThe engine control module (ECM) provides a 5 volt supply to the aftertreatment diesel particulate filter differential pressure sensor...