4406 SPN Fault Code

Name:

Aftertreatment 2 Diesel Exhaust Fluid Doser Heating Mode Request

Description:

Used if multiple heater modes are available in the Doser. 000b = Heater off 001b = Heater economy mode 010b = Heater automatic mode 011b = Heater on 100b to 110b = Reserved 111b = Not available

4406 spn fault code name is Aftertreatment 2 Diesel Exhaust Fluid Doser Heating Mode Request. If you don't take the time to look into 4406 spn fault when it arises, it can add up quickly. One small issue like 4406 can cause a larger component to become damaged without taking the time to investigate. If you suspect your truck is suffering from one of these issues, look into replacing those small components to save money down the road.

Note: The name and description of 4406 code represents text descriptions for faults supported by another coding system and does not necessarily comply with SAE J1939. For a specific engine manufacturer's explanation for codes, please consult the engine's technical manual. See also other spn codes.

4406 SPN Fault Code

Name:

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