8166 SPN Fault Code

Name:

Directional Vehicle Speed

Description:

The velocity and direction of the vehicle. Positive values are used for forward vehicle motion, negative values for reverse vehicle motion. This SPN is intended for control purposes where vehicle direction is required. It is not intended to replace SPN 84.

8166 spn fault code name is Directional Vehicle Speed. If you don't take the time to look into 8166 spn fault when it arises, it can add up quickly. One small issue like 8166 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 8166 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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