Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSFORD2004ECONOLINE E150, VAN CARGO, 4.6 WREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 911 (ANTI-THEFT SYSTEM -- PATS)GENERAL PROCEDURESKEY PROGRAMMING - UNLIMITED KEY MODEDISABLING UNLIMITED KEY MODE
2004 Ford Econoline E150, Van Cargo, 4.6 W
Disabling Unlimited Key Mode
2004 Ford Econoline E150, Van Cargo, 4.6 WSECTION Disabling Unlimited Key Mode
WARNING: This page is about a different car, the 2005 Mercury Mountaineer and 2005 Ford Explorer. However, it is still accessible from the selected car via links, so may be relevant.
- Using a diagnostic tool, select PCM from the menu. Follow SECURITY ACCESS to obtain security access. For additional information, refer to ANTI-THEFT SECURITY ACCESS .
- Select: DISABLE UNLIMITED KEY MODE.
- Select: IGNITION KEY CODE ERASE.
- Disconnect the diagnostic tool and turn the ignition key to OFF.
- Program-in 2 keys to enable the vehicle.
- Program any additional keys using either KEY PROGRAMMING USING TWO PROGRAMMED KEYS or KEY PROGRAMMING USING DIAGNOSTIC EQUIPMENT .
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.