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P2636 Diagnostic Trouble Code Discussion for March 2007

Fuel Transfer Pump Flow Insufficient

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Trouble Ticket Help Requests for DTC P2636
Help Request Posted
2005 GMC Sierra 3500 6.6L no fuel transfer VIN: 1GDJK34295
P2636: Fuel Transfer Pump Flow Insufficient. Code PO2636 comes up. Fuel gauge quites, transfer pump quites. Code may take a few days to come up. This problem does not occur during fueling, it happens while driving.
March 29, 2007