- Faulty Power Take Off (PTO)
- PTO Control Module harness is open or shorted
- PTO Control Module circuit poor electrical connection
- Engine Light ON (or Service Engine Soon Warning Light)
P064b Gmc DescriptionThe Engine Control Module (ECM) monitors the Power Take Off (PTO) Control Module. The ECM sets the OBDII code when PTO Control Module is not working properly.
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P064B GMC CommentsHelp us improve AutoCodes.com. Leave a comment below or tell us if the information above help you fix the code. What are the symptoms on your vehicle for the P064b Gmc code? Have you replaced any parts?
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