CAT 3406E 975 SPN Fault Code

Name:

Engine Fan 1 Estimated Percent Speed

Description:

Estimated fan speed as a ratio of the fan drive (current speed) to the fully engaged fan drive (maximum fan speed). A two state fan (off/on) will use 0% and 100% respectively. A three state fan (off/intermediate/on) will use 0%, 50% and 100% respectively. A variable speed fan will use 0% to 100%. Multiple fan systems will use 0 to 100% to indicate the percent cooling capacity being provided.Note that the intermediate fan speed of a three state fan will vary with different fan drives, therefore 50% is being used to indicate that the intermediate speed is required from the fan drive.

CAT 3406E 975 spn fault code name is Engine Fan 1 Estimated Percent Speed. If you don't take the time to look into CAT 3406E 975 spn fault when it arises, it can add up quickly. One small issue like CAT 3406E 975 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 CAT 3406E 975 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.

CAT 3406E 975 SPN Fault Code

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Description:

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