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P0627 Diagnostic Trouble Code Discussion for November 2021

Fuel Pump Relay Control Circuit Malfunction

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Trouble Ticket Help Requests for DTC P0627
Help Request Posted
2011 Chevrolet Traverse LT 3.6L No Start VIN: 1GNKVGEDXB
P0627: Fuel pump enable ckt. I have checked power and grounds are good. The new FSCM module won't allow communication to the differential module. The HS-LAN ckts are not open and not shorted to power or ground. Good voltage at the FSCM when ignition is turned on. I have disconnected t...
November 16, 2021