Disabling Unlimited Key Mode

Using a scan 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: PROGRAM UNLIMITED XPONDER security key command. Enter any four digit code that is non-zero (to prevent future vehicle owners from knowing fleet code).
Select: IGNITION KEY CODE ERASE.
Disconnect scan tool and turn ignition key to OFF.
Program-in two keys to enable vehicle.
Program any additional keys using either KEY PROGRAMMING USING TWO PROGRAMMED KEYS or KEY PROGRAMMING USING DIAGNOSTIC EQUIPMENT .