Passive Anti-Theft System (PATS)
Passive Anti-Theft System (PATS) Parameter Reset
NOTE: When using the Integrated Diagnostic System (IDS), the Instrument Cluster (IC) and the PCM parameters are reset at the same time.
1. Turn the key from the OFF position to the ON position.
2. From the scan tool, follow the on-screen instructions to ENTER SECURITY ACCESS. For additional information, refer to Anti-Theft Security Access Programming and Relearning.
3. From the scan tool, select: Parameter Reset and follow the on-screen instructions.
4. NOTE: If the IC was replaced, follow Steps 4-9. If the IC and the PCM were replaced, follow Steps 4-9. If only the PCM was replaced, go to Step 9.
From the scan tool, select: Ignition Key Code Erase and follow the on-screen instructions.
5. Turn the key to the OFF position and disconnect the scan tool.
6. Turn the key to the ON position for a minimum of 3 seconds.
7. Turn the key to the OFF position and remove the key.
8. Insert the second key into the ignition lock cylinder and turn the key to the ON position for a minimum of 3 seconds.
9. Both keys will now start the vehicle.
10. If more keys are required to be programmed, refer to Key Programming Using Two Programmed Keys Using Two Programmed Keys.