The 2004 ford f-250 fuel pump driver module is located on the driver-side rear passenger seat. You can gain access by pulling up the carpeting to access the black box with the wiring harness plugged into it. The Lincoln LS uses a fuel pump driver module to send commands to the fuel pump from the vehicle central computer. The fuel pump driver module also sends commands to the fuel pump to isolate its electrical power in case of collision or unexpected vehicle movement. Locating the unit is straightforward because it is easily accessible for replacement.
Fix code P1233 Fuel Pump Driver Module off-line – Ford
This codes sets if the fuel pump is not starting up properly. Two things can interfere with fuel pump startup—the fuel pump relay or the inertia switch. Start by checking the fuel pump fuse. Next, manually reset the intertia switch. If that doesn’t work, check for power at the fuel pump connector. If you’re not getting power, pull the fuel pump relay (or swap it with another relay with the same part number) or jumper the relay contacts to power the pump. If that still doesn’t work, check for power coming into the relay. If you have good power, re-jumper the relay contacts and check for power coming out of the fuse box and going to the fuel pump. If you’re still fighting a losing battle, check the wiring crimp connectors. Some techs report faulty factory crimps at the relay box.
© 2012 Rick Muscoplat
2001 F150 Fuel Pump Driver Module Location
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Fuel Pump Driver Module Location 2005 Ford Escape