Ford P1663: Fuel Delivery Command Signal Circuit Malfunction
Is your scanner showing Ford P1663?
No worries. We'll show you what it means and how to deal with it.
Ford P1663: Fuel Delivery Command Signal Circuit Malfunction
OVERVIEWWhat Does The Ford P1663 Code Mean?
Key on, KOEO Self-Test enabled and the PCM detected an unexpected low or high voltage condition on the Fuel Delivery Command Signal (FDCS) circuit during the initial test period.
What Are The Potential Causes Of The Ford P1663 Code?
- FDCS signal circuit is open
- FDCS signal circuit is shorted to ground
- FDCS ground circuit is open
- PCM has failed
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
>>> 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
Ford P1663, DTCDECODE.
