ford fob key Replacement Key Programming
If you've lost your key to your ford replacement key cost and want to replace it, there are many options. You have several options such as ordering an online replacement key, go to the nearest dealer, or contact a locksmith. You can get a new ford fiesta key key cut and programmed for a price of $80-$150.
Reprogramming the PCM in the ford replacement key fob (official cs-upgrade.top blog)
If your Ford replacement key isn't working, you may have to reset the PCM. This can be done at the repair shop in your area, or at an authorized dealer. A replacement PCM will cost between $100 and $150.
Reprogramming the PCM is easy to do and should only take one hour. Before starting, make sure you check the car's ignition and battery voltage. The voltage could be too low, and the PCM could not start properly. Also, you should use a battery charger that is designed to supply a clean, constant voltage.
Ford Motorcraft offers a free guide, printable. Before you can reprogram the PCM, make sure to examine the ignition key and ignition.