Medium and Heavy Trucks
Have Truck Repair Questions? Ask an Expert
Thank you. The DPF needs to be removed and inspected by Cummins due to the 1922 fault code Fault 321 -0 is not showing up for your engine. If you have less than 100,000 miles on the engine than you are covered under the emissions warranty. if not than it's on you. Please don't forget to rate my service
Fault Code: 1922PID: S324SPN: 3251FMI: 0
Aftertreatment Diesel Particulate Filter Differential Pressure - Data Valid But Above Normal Operating Range - Most Severe Level. The soot load of the aftertreatment diesel particulate filter (DPF) has exceeded the recommended limits. Engine protection derate is enabled.
Severe engine derate.
Possible causes of this fault code include:
Fault Code: 3147PID: SPN: 4363 FMI:
Aftertreatment SCR Outlet Temperature Sensor Circuit - Voltage Below Normal or Shorted to Low Source. Low signal voltage detected at the SCR outlet temperature sensor circuit.
Default temperature used for SCR outlet temperature.
Hi just following up. Do you need more assistance? Please don't forget to rate my service.
Hi, Just following up. Please don't forget to rate my service.