|SPN 4364||FMI 18||FMI 31|
Code Description: Aftertreatment SCR Catalyst Conversion Efficiency data valid but below normal operating range - moderately severe level.
Best case scenario: Do a forced Regen and be on your way.
If the Code comes back: if the code reappears you will need to consider getting DPF filter changed or getting it cleaned.
Possible solution: your DPF Filter has over 500k miles its time for a change or a clean of said filter. Check to see if your inlet or outlet sensors are not damaged or have loose wiring and are within operating parameters.
DPF Filters range in price: from 1,400 for a remanufactured or 2,000 brand new
If you are mechanically inclined, you can do easily do this DPF Filter swap project and save thousands of dollars in shop fees.
Cost of DPF Change: SHOP PRICES VARY FROM STATE TO STATE BUT ARE IN THE RANGE OF 160.00 HR - 250.00 HR