Key Programming Using Diagnostic Equipment

Fig 1: Identifying Special Tool

Courtesy of FORD MOTOR CO.

NOTE: This procedure is used when a customer needs keys programmed into the system and does not have two programmed ignition keys available. This procedure is also useful when programmed ignition key(s) have been lost or a new ignition switch assembly has been installed, and it is desired to erase key(s) from the passive anti-theft system (PATS) memory.

NOTE: This procedure will erase all programmed ignition keys from the vehicle memory and the vehicle will not start until two keys have been reprogrammed to the vehicle.

NOTE: Two PATS encoded keys with the correct mechanical cut must be available to carry out this procedure. One or both of them may be the original keys.

NOTE: If additional keys are to be programmed, refer to KEY PROGRAMMING USING TWO PROGRAMMED KEYS . If the remaining keys are not available with the vehicle, instruct the customer to Refer to the owner literature for instructions on programming the remaining keys.

Turn the ignition from OFF to ON.
Using the diagnostic tool, follow the SECURITY ACCESS to obtain security access. For additional information, refer to ANTI-THEFT SECURITY ACCESS .
From the diagnostic tool menu, select IGNITION KEY CODE ERASE.

NOTE: Do not select any additional commands from this menu.

Turn the ignition OFF and disconnect the diagnostic tool.
Insert the first encoded key into the ignition and turn the ignition to ON for one second.
Insert the second encoded key into the ignition and turn the ignition to the ON position for one second.
Remove the second encoded key from the ignition.
The vehicle should now start with both ignition keys.