Disabling Unlimited Key Mode
- 1.
From the scan tool, enter TOOLBOX. Select Body>Security>PATS Functions and follow the IDS on-screen instructions to enter PATS security access.
- 2.
Select "unlimited key mode OFF" and follow the IDS on-screen instructions.
- 3.
Select "Ignition Key Code Erase" and follow the IDS on-screen instructions.
- 4.
Turn the key to the OFF position and disconnect the scan tool (the key does not need to be removed from the ignition at this time).
- 5.
Turn the first PATS key to the RUN position for a minimum of 3 seconds.
- 6.
Turn the first PATS key to the OFF position and remove the key from the ignition.
- 7.
Insert the second PATS key into the ignition and turn the key to the RUN position for a minimum of 3 seconds.
- 8.
The engine should now start with both PATS keys.