P1663 FORD - Fuel Demand Command Signal Circuit Malfunction

Repair Importance Level: 3/3
Repair Difficulty Level: 3/3   
Comments  |  Add Comment

Possible causes

  • Fuel Demand Command Signal open circuit
  • Faulty Injector Driver Module (IDM)
  • Injector Driver Module (IDM) harness is open or shorted
  • Injector Driver Module (IDM) circuit poor electrical connection

Possible symptoms

  • Engine Light ON (or Service Engine Soon Warning Light)

P1663 Ford Description

The P1663 code indicates that the Powertrain Control Module (PCM) has detected a failure on the Fuel Delivery Command Signal (FDCS) line.
OBDII Code P1663 Ford - Fuel Demand Command Signal Circuit Malfunction - AutoCodes.com

Need more help?

Get the P1663 Ford code diagnosed by a professional: Find a repair shop in your area

Related Information

P1663 FORD Comments

Help us improve AutoCodes.com. Leave a comment below or tell us if the information above help you fix the code. What are the symptoms on your vehicle for the P1663 Ford code? Have you replaced any parts?
Any information is appreciated. Thanks
Top ⇧