Rick's Free Auto Repair Advice

Posts Tagged: P1233

P1233 Fuel Pump Driver Module off-line

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 … Read More

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