How To Program 2003 Ford F150 Key [OFFICIAL]

If you only have one key or no keys at all, you use the onboard sequence. You have three alternatives:

The 2003 F-150 uses a Passive Anti-Theft System (PATS). You can only program a new chip key yourself if you already have . Method: With Two Working Keys How To Program 2003 Ford F150 Key

Within 10 seconds, and turn it to RUN .

and, within 10 seconds, insert the second working key . Turn it to RUN for another 3–5 seconds, then remove it. If you only have one key or no