Passive Anti-Theft System (PATS) Key Programming Switch State Control

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Key Programming Switch State Control





NOTE: The spare key programming switch is a programmable switch which provides the capability to enable/disable the normal customer spare key programming procedure detailed in the Owner's Literature. It must read "Enabled" if more than 2 keys need to be programmed into the Instrument Panel Cluster (IPC). For additional information, refer to Key Programming Using Two Programmed Keys Passive Anti-Theft System (PATS) Key Programming Using Two Programmed Keys procedure. 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 with the IC (Instrument Cluster) SPAREKEY PID.

NOTE: If the IC (Instrument Cluster) SPAREKEY PID reads "Enabled", up to 8 keys total can be programmed into the IC (Instrument Cluster). For additional information, refer to Key Programming Using Two Programmed Keys Passive Anti-Theft System (PATS) Key Programming Using Two Programmed Keys procedure. If the IC (Instrument Cluster) SPAREKEY PID reads "Disabled", the Key Programming Using Two Programmed Keys procedure does not function. This PID is set to "Enabled" when the vehicle is built. This switch does not affect the Key Programming Using Diagnostic Equipment procedure, the Spare Key Programming - Unlimited Key Mode, or the Spare Key Programming - Using Diagnostic Equipment procedures.

NOTE: The spare key programming procedure is available in order to program more than 2 keys, but no more than 8 keys into the PATS (Passive Anti-Theft System) using the Key Programming Using Two Programmed Keys Passive Anti-Theft System (PATS) Key Programming Using Two Programmed Keys procedure.

1. Insert a programmed Passive Anti-Theft System (PATS) key into the ignition lock cylinder and turn the key from the OFF position to the ON position.

2. From the scan tool, enter TOOLBOX. Select BODY-SECURITY-PATS Functions and follow the on-screen instructions to ENTER SECURITY ACCESS. For additional information, refer to Anti-Theft Security Access Component Tests and General Diagnostics. This procedure takes approximately 10 minutes to carry out, during which time the ignition switch must be in the ON position and the scan tool must be connected to the vehicle.

3. NOTE: The default setting on delivery of all new vehicles is "Enabled".
From the scan tool menu toggle: SPARE KEY PROGRAMMING SWITCH selection to the desired setting:

- "Enabled"- Spare Key Programming Procedure is accessible.

- "Disabled"- Spare Key Programming Procedure is not accessible.


4. Exit from the scan tool menu.
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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.
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