9577 SPN Fault Code

Name:

Economy Mode Estimated Instantaneous Fuel Savings Rate Percent

Description:

Estimated instantaneous fuel savings rate percentage while operating in economy mode. This value is calculated by dividing Economy Mode Estimated Instantaneous Fuel Savings Percent (SPN 9576) by the current non-economy mode estimated instantaneous fuel rate * 100b.

9577 spn fault code name is Economy Mode Estimated Instantaneous Fuel Savings Rate Percent. If you don't take the time to look into 9577 spn fault when it arises, it can add up quickly. One small issue like 9577 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 9577 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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