5559 SPN Fault Code

Name:

Supplemental Fan Controller Temperature Status

Description:

Internal Controller Temperature Status of Supplemental Fan. 000b = High most severe 001b = High Least severe 010b = In Range 011b = Low Least severe 100b = Low Most severe 101b = Not Defined 110b = Error 111b = Not available

5559 spn fault code name is Supplemental Fan Controller Temperature Status. If you don't take the time to look into 5559 spn fault when it arises, it can add up quickly. One small issue like 5559 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 5559 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.

5559 SPN Fault Code

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