Ford P1237: Fuel Pump Secondary Circuit Malfunction
Is your scanner showing Ford P1237?
No worries. We'll show you what it means and how to deal with it.
Ford P1237: Fuel Pump Secondary Circuit Malfunction
OVERVIEWWhat Does The Ford P1237 Code Mean?
Key on or engine running; and the PCM received a signal from the FPDM that it had detected a fault in the fuel pump secondary circuit.
What Are The Potential Causes Of The Ford P1237 Code?
- FP PWR circuit is open or shorted
- FPDM fuel pump return circuit is open
- Fuel pump windings are open or shorted, or the rotor is locked
- FPDM is damaged
Recommended Parts
Below are some recommended auto parts to help you address the trouble code affecting your vehicle and get it running smoothly again:
>>> WORKPRO 582-piece Crimp Terminals, Wire Connectors, Heat Shrink Tube, Electrical Repair Kit
>>> Dorman 590-001 Fuel Pump Driver Module with Mounting Bolts
>>> Cardone 78-4937 Remanufactured Ford Engine Control Module (ECM) / Computer (Renewed)
Note: During the purchasing process, please check carefully whether the part you want to buy fits your car!
Reference Sources
2007 Powertrain Control Emissions Diagnosis On Board Diagnosis – Sections 4: Powertrain DTC Charts and Descriptions, P1237, page 95.
