What does P1233 mean?
What does P1233 mean?
Error Code P1233 is defined as Fuel Pump Driver Module Disabled Or Off Line. This means the fuel pump is not starting up correctly, which could be caused by problems with the FPDM (fuel pump driver module).
Where is the fuel pump driver module located?
The module is typically installed on or very close to the fuel pump, and in the early years of the component’s use, this practice led to a design fault. Manufacturers, including Ford, initially placed the module inside the vehicle immediately above the fuel pump, typically just beneath the floor pan.
What does a Ford fuel pump driver module do?
The Fuel Pump Driver Module controls the voltage delivered to a vehicle’s fuel pump. By controlling the voltage, the module maintains optimal fuel pressure and fuel delivery to the engine throughout its full operating range.
