Program A Key Using Two Programmed Keys

KEY PROGRAMMING - PROGRAM A KEY USING TWO PROGRAMMED KEYS

NOTE: This procedure only works if two or more programmed ignition keys are available and it is desired to program additional key(s). If two keys are not available, see KEY PROGRAMMING USING DIAGNOSTIC EQUIPMENT.

PID SPARE_KY must be enabled for this procedure to operate. If this PID is not enabled, see SECURITY ACCESS - PROCEDURE. With the WDS or equivalent tester, select Spare Key Programming Switch: Enabled.

If the programming procedure is successful, the new key(s) will start the vehicle and the THEFT INDICATOR will illuminate for approximately three seconds.

If the programming procedure is not successful, the new key(s) will not start the vehicle and the THEFT INDICATOR will flash. If the programming procedure was not successful, leave the ignition switch in the RUN position for at least 30 seconds then repeat the Key Programming procedure from step 1. If the failure repeats, see DTC INDEX - PASSIVE ANTI-THEFT SYSTEM (PATS), Symptom Diagnostic Index, to review Diagnostic Trouble Codes (DTC)s and perform pinpoint tests as required.

A maximum of eight ignition keys can be programmed to a passive anti-theft system (PATS) equipped vehicle. If more are needed, see KEY PROGRAMMING - SPARE KEY PROGRAMMING SWITCH.

If the steps are not performed as outlined, the programming procedure will end.

Ignition keys must have correct mechanical key cut for the vehicle and must be a PATS encoded key.

If the vehicle is in unlimited key mode, this spare programming procedure still functions. Any two keys that can start the vehicle may be used to program in an additional unlimited key.

1. Insert the first programmed ignition key into the ignition lock cylinder and turn the ignition switch from OFF to RUN (maintain the ignition switch in RUN for three seconds).
2. Turn the ignition switch to OFF and remove the first key from the ignition lock cylinder.
3. Within seconds of turning the ignition switch to OFF, insert the second programmed ignition key into the ignition lock cylinder and turn the ignition switch from OFF to RUN (maintain the ignition switch in RUN for three seconds).
4. Turn the ignition switch to OFF and remove the second key from the ignition lock cylinder.
5. Within 20 seconds of turning the ignition lock cylinder to OFF, insert the unprogrammed ignition key (new key) into the ignition lock cylinder and turn the ignition switch from OFF to RUN (attempt to start the vehicle).
6. If it is desired to program additional key(s), repeat the key programming procedure from the beginning.