4440 SPN Fault Code

Name:

Aftertreatment 2 Diesel Exhaust Fluid Pump 1 Motor Speed

Description:

Rotational speed of the motor driving the first or only pump for the diesel exhaust fluid used in aftertreatment system 2 (exhaust bank 2).

4440 spn fault code name is Aftertreatment 2 Diesel Exhaust Fluid Pump 1 Motor Speed. If you don't take the time to look into 4440 spn fault when it arises, it can add up quickly. One small issue like 4440 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 4440 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.

4440 SPN Fault Code

Name:

Description:

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