Fuel Demand Command Signal Circuit Malfunction
Table of contents
P1663 FORD 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
How do I fix code P1663 FORD?
Check the “Possible Causes” listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector’s pins.
Cost of diagnosing the P1663 FORD code
The cost of diagnosing the P1663 FORD code is 1.0 hour of labor. The auto repair labor rates vary by location, your vehicle’s make and model, and even your engine type. Most auto repairs shops charge between $75 and $150 per hour.
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.