Ford P1231: Fuel Pump Secondary Low, High Speed Pump On
Is your scanner showing Ford P1231?
No worries. We'll show you what it means and how to deal with it.
Ford P1231: Fuel Pump Secondary Low, High Speed Pump On
OVERVIEWWhat Does The Ford P1231 Code Mean?
Key on, KOEO Self-Test enabled; High Speed Fuel Pump (HFP) relay energized, fuel pump driver in VLCM off (to VLCM Pin 7) off, the PCM detected voltage on the FPM circuit.
What Are The Potential Causes Of The Ford P1231 Code?
- HFP relay circuit to battery power (B+) is open
- HFP relay is damaged or it has failed
- Power-To-Pump circuit between HFP relay and splice is open
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
>>> INNOVA 5210
Note: During the purchasing process, please check carefully whether the part you want to buy fits your car!
Reference Sources
Ford P1231, DTCDECODE.
