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Home >> Ford >> 2005 >> Mustang Base, 2D Convertible, Automatic >> Repair and Diagnosis (Single Page) >> Body & Frame >> Door Locks >> Anti-Theft System - Pats >> General Procedures >> Key Programming - Enable/Disable Spare Key Programming >> Unlimited Key Mode Programming >> Disabling Unlimited Key Mode
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Disabling Unlimited Key Mode

  1. Using a diagnostic tool, select PCM from the menu. Follow SECURITY ACCESS to obtain security access. For additional information, refer to SECURITY ACCESS - PROCEDURE .
  2. Select: DISABLE UNLIMITED KEY MODE.
  3. Select: IGNITION KEY CODE ERASE and RESET SERVICE BIT, if applicable.
  4. Disconnect the diagnostic tool and turn the ignition switch to the OFF position.
  5. Program 2 keys to enable the vehicle.
  6. Program any additional keys using either the Key Programming - Program a Key Using Two Programmed Keys procedure or the Key Programming - Erase All Key Codes and Program Two Keys procedure.