8009 SPN Fault Code

Name:

Power Electronics Coolant Fan 1 Controller Command Status

Description:

Indicates the source of the speed command to the Power Electronics Coolant Fan 1 system or component. 00b is communicated when the controller is self-controlled (e.g. based on a temperature sensor). 01b is communicated when responding to the Power Electronics Coolant Fan 1 Speed Command (SPN 8005) or Power Electronics Coolant Fan 1 Percent Speed Command (SPN 8006). 10b is communicated when neither an internal nor external command is provided (e.g. failed temperature sensor or loss of the command message). 00b = Internal Command 01b = External Command 10b = Default Command 11b = Not Available

8009 spn fault code name is Power Electronics Coolant Fan 1 Controller Command Status. If you don't take the time to look into 8009 spn fault when it arises, it can add up quickly. One small issue like 8009 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 8009 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.

8009 SPN Fault Code

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