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 MANUALSFORD1999EXPEDITION 4WD V8-4.6L SOHC VIN 6REPAIR AND DIAGNOSISACCESSORIES AND OPTIONAL EQUIPMENTANTITHEFT AND ALARM SYSTEMSSERVICE AND REPAIRKEY PROGRAMMINGSPARE KEY PROGRAMMING SWITCH
1999 Ford Expedition 4WD V8-4.6L SOHC VIN 6
Spare Key Programming Switch
1999 Ford Expedition 4WD V8-4.6L SOHC VIN 6SECTION Spare Key Programming Switch
NOTE
^ The spare key programming switch is a New Generation STAR/Service Bay Diagnostic System (NGS/SBDS) programmable switch that provides the capability to enable/disable the spare key programming procedure. This procedure is in the Owners Guide spare key programming procedure or under the procedure named Key Programming-Program a Key Using Two Programmed Keys. This programmable switch is provided as a convenience for rental company fleets or other fleet purchasers who may not want the spare key programming procedure available to the vehicle driver.
^ The spare key programming switch state can be viewed by instrument cluster PID SPARE__KY.
1. Insert a programmed ignition key into the ignition lock cylinder and turn the ignition switch to RUN.
2. Enter NGS/SBDS. Follow the SECURITY ACCESS PROCEDURE.
3. From NGS/SBDS menu, select SPARE KEY PROGRAMMING SWITCH selection to the desired setting:
NOTE: The default setting on delivery of all new vehicles is
RENDER: 1.0x
NO RELATED
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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.