8405 SPN Fault Code

Name:

HVES Fan Command Status

Description:

Indicates the source of the speed command to this HVES fan. 00b is communicated when the fan is self-controlled (e.g. based on a temperature sensor). 01b is communicated when responding to the HVES Fan Speed Command (SPN 8386) or HVES Fan Percent Speed Command (SPN 8387). 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

8405 spn fault code name is HVES Fan Command Status. If you don't take the time to look into 8405 spn fault when it arises, it can add up quickly. One small issue like 8405 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 8405 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.

8405 SPN Fault Code

Name:

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