Mack 600 8639 SPN Fault Code

Name:

Engine PTO Governor Disable Switch

Description:

Customer or body builder installed switch to prevent operation of engine in PTO mode. 00b = Off (PTO mode allowed) 01b = On (PTO mode is not allowed) 10b = Error 11b = Not Available

Mack 600 8639 spn fault code name is Engine PTO Governor Disable Switch. If you don't take the time to look into Mack 600 8639 spn fault when it arises, it can add up quickly. One small issue like Mack 600 8639 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 Mack 600 8639 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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