3701 SPN Fault Code

Name:

Aftertreatment Diesel Particulate Filter Status

Description:

Indicates the state of the diesel particulate filter regeneration need and urgency. This is an aggregate of bank 1 and bank 2. It is a system status and not individual bank status.000b = Regeneration not needed 001b = Regeneration needed – lowest level 010b = Regeneration needed – moderate level 011b = Regeneration needed – highest level 100b = reserved for SAE assignment 101b = reserved for SAE assignment 110b = reserved for SAE assignment 111b = not available

3701 spn fault code name is Aftertreatment Diesel Particulate Filter Status. If you don't take the time to look into 3701 spn fault when it arises, it can add up quickly. One small issue like 3701 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 3701 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.

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