Replacing Lost Passkey(R) Ignition Keys

To replace lost PASSKey(R) ignition keys, it is necessary to determine the mechanical cut and the electrical key code.

The mechanical and electrical codes are recorded in the vehicle invoice. If these codes are available, use them to create a new key. If they are not, continue with this procedure.

The mechanical cut must be determined first. The mechanical cut can be determined from the key code on the ignition lock cylinder or from the original key "Lock Outs". If the mechanical cut cannot be determined, the ignition lock cylinder should be replaced. Make a key with the correct mechanical cut to use while determining the proper electrical key code.

1. To determine the proper electrical key code, use the VATS Interrogator (J 35628-A). Connect the tool wiring to the PASSKey(R) dash connector at the base of the steering column. Do not connect to the steering column wiring.
2. Turn the J 35628-A on and place key code switch to "1" and attempt to start engine with proper mechanically cut key. If engine starts, the key code is "1".
3. If engine does not start, turn ignition off and press 4 minute timer on the J 35628-A.
4. When timer light goes out place key code switch to "2" and attempt to start engine. If engine starts, key code is "2".
5. Continue trying different key codes until proper key code is found.

Make a new key with the proper PASSKey key code and mechanical cut.