For 1990-2009 cars only
Perform a Passlock™ Learn Procedure if any of the following components have been replaced:
| • | Passlock™ sensor |
| • | Body control module |
| • | Vehicle control module |
Both of the above modules except for the Passlock™ sensor must be programmed using their own vehicle configuration. See the individual module service manual section.
There are 2 types of Passlock learn procedures:
| • | A 10 minute procedure which requires a Techline Terminal and a Tech 2 scan tool PASSLOCK Reprogramming Seed and Key . |
| • | A 30 minute procedure which requires a scan tool used in order to clear codes. This procedure is listed below: |
Auto Learn - 30 Minute Procedure
- Ensure that the battery is fully charged.
- Use a scan tool in order to clear the Passlock™ DTCs.
- Turn the ignition switch from the OFF position to the CRANK position, and then to the RUN position.
- Leave the ignition ON until the security telltale turns OFF in 10 minutes.
- Repeat Steps 3-5 for 2 more times (3 times total)
- The Body Control Module will learn the new data on the next start attempt.
- Use a scan tool in order to clear all DTCs.
The vehicle will start and then stall.
