5502 SPN Fault Code

Name:

Engine Unburned Fuel Percentage

Description:

The unburned amount of diesel fuel coming out of the engine. This fuel increases the temperature while oxidated in the DOC. Therefore, this amount of fuel also needs to be taken into account of the HCD temperature controller.

5502 spn fault code name is Engine Unburned Fuel Percentage. If you don't take the time to look into 5502 spn fault when it arises, it can add up quickly. One small issue like 5502 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 5502 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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