3751 SPN Fault Code

Name:

Aftertreatment 2 Diesel Particulate Filter Conditions Not Met for Active Regeneration

Description:

Indicates that diesel particulate filter 2 is not able to begin or continue an active regenerate event at the current engine operating conditions.Intended to be used with FMI 31 – condition exists This SPN would indicate that the diesel particulate filter (bank 2) is not able to begin or continue an active regeneration event due to current engine operating conditions.

3751 spn fault code name is Aftertreatment 2 Diesel Particulate Filter Conditions Not Met for Active Regeneration. If you don't take the time to look into 3751 spn fault when it arises, it can add up quickly. One small issue like 3751 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 3751 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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SPNFMI Faults and Engine error code check tool. SPN code listing with names and descriptions.

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