10-Minute Relearn Procedure

Use this procedure after replacing the following components:

• The PASS-Key III (PK3) keys
• The BCM
• The PCM

IMPORTANT: If replacing a BCM with a GM SPO replacement part, perform the procedure to setup a new BCM prior to the 10-Minute Relearn Procedure. Refer to Diagnostic System Check - Vehicle in Vehicle DTC Information.
1. Connect a scan tool to the vehicle.
2. Turn ON the ignition, with the engine OFF.
3. Insure that all power consuming devices are turned OFF on the vehicle.
4. With a scan tool, select Request Info. under Service Programming System and follow the scan tool on-screen instructions.
5. Disconnect the scan tool from the vehicle and connect the scan tool to a Techline Terminal with the current Service Programming System (SPS) software.
6. On the Techline Terminal, select Service Programming System and follow the Techline Terminal on-screen instructions.
7. Disconnect the scan tool from the Techline Terminal and re-connect the scan tool to the vehicle.
8. With a master PASS-Key III key, turn ON the ignition with the engine OFF.
9. With a scan tool, select Program ECU under Service Programming System.
10. At this point the scan tool must remain connected for the duration of the 10-Minute Relearn Procedure.
11. Observe the scan tool, after approximately 10 minutes the scan tool will display "Programming Successful, Turn OFF Ignition". The vehicle is now ready to relearn the key information and/or the passwords on the next ignition switch transition from OFF to ON.
12. Turn OFF the ignition and wait 5 seconds.
13. With a master PASS-Key III key, start the vehicle. The BCM has now learned the key transponder information and the PCM has now learned the fuel continue password.
IMPORTANT: Perform this step ONLY on vehicles with EXPORT configured BCMs.
14. Turn OFF the ignition and wait 15 seconds minimum.
IMPORTANT: Perform this step ONLY on vehicles with EXPORT configured BCMs.
15. With a second master PASS-Key III key, start the vehicle. The BCM has now learned the second master PASS-Key III key transponder information
16. With a scan tool, clear any DTCs.