Ford Mustang (1999-2004) Service Manual: Key Programming - Enable/Disable Spare Key Programming

Ford Mustang (1999-2004) Service Manual / Electronic Feature Group / Anti-Theft - PATS / Key Programming - Enable/Disable Spare Key Programming

Special Tool(s)

Worldwide Diagnostic System (WDS) 418-F224, New Generation STAR (NGS) Tester 418-F052, or equivalent diagnostic tool

NOTE: The spare key programming switch is a diagnostic tool 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 in this section under 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.

NOTE: 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 diagnostic tool. Follow the SECURITY ACCESS PROCEDURE. For additional information, refer to Security Access-Procedure to obtain security access.

3. NOTE: The default setting on delivery of all new vehicles is <ENABLE>.

From diagnostic tool menu, select SPARE KEY PROGRAMMING SWITCH selection to the desired setting: <ENABLE> Spare key programming procedure is accessible.

<DISABLE> Spare key programming procedure is not accessible.

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