During Body Control Module (BCM) related service, there are several procedures designated to set-up the BCM correctly. Before you start, read these procedures carefully and completely.

Tools Required

Scan Tool (Tech 2)

Important: 

1. Connect a Scan Tool to the Data Link Connector (DLC) in the vehicle.
2. Input all of the required data when prompted by the Scan Tool .
3. Turn the ignition switch on.
4. Select SPECIAL FUNCTIONS at the MAIN MENU screen.
5. At the SPECIAL FUNCTION MAIN MENU screen, select BCM reprogramming.
6. Select SETUP NEW BCM at the SPECIAL FUNCTION MAIN MENU screen.
7. Perform the Theft Deterrent Re-Learn procedure after successfully finishing the Setup New BCM procedure. If the Theft Deterrent Re-Learn procedure is not performed after a BCM replacement, the following conditions may occur:

-	The vehicle will not be protected against theft by the PASSLOCK system.

-	The engine will not start.

Perform this procedure under the following conditions:

There are three ways of performing the Theft Deterrent Re-Learn procedure, depending on the type of Techline equipment available:

1. Techline terminal and a Scan Tool (quickest method).
2. T-50 or T-60.
3. Re-Learn without a Scan Tool or Techline equipment (slowest method).

1. Connect the Scan Tool to the Data Link Connector (DLC) on the vehicle.
2. At the Scan Tool main menu, select SERVICE PROGRAMMING.
3. Enter the requested information.
4. Select REQUEST INFO.
5. Disconnect the Scan Tool from the vehicle.
6. Connect the Scan Tool to the Techline terminal.
7. Select SERVICE PROGRAMMING SYSTEM (SPS).
8. Select TERMINAL TO TECH 2 PROGRAMMING.
9. Select DONE.
10. Follow instructions on the Techline terminal to Handheld Communications Setup screen.
11. Select THEFT MODULE RE-LEARN.
12. Select PROGRAM at the summary screen. The terminal will download information to the Scan Tool .
13. Disconnect the Scan Tool from the Techline terminal.
14. Connect the Scan Tool to the DLC on the vehicle.
15. At the Scan Tool main menu, select SERVICE PROGRAMMING.
16. Answer the question prompted by the Scan Tool .
17. Select RE-LEARN.
18. The Powertrain Control Module (PCM) and the BCM will be prepared for re-learn.
19. A security timer will be on for approximately 10 minutes. During the 10 minute wait period, Scan Tool must remain connected to the vehicle.
20. Turn the ignition switch off when the PCM and BCM are prepared to re-learn.
21. Turn the ignition switch to the start position.
22. The engine should start when the ignition switch is turned to the start position.
23. Disconnect the Scan Tool from the DLC.

1. Enter the T-50 or T-60 Service Programming System (SPS).
2. Select TERMINAL TO VEHICLE PROGRAMMING.
3. Select DONE.
4. Follow the instructions on the VEHICLE SETUP screen.
5. Select THEFT MODULE RE-LEARN.
6. Follow the instructions on the remaining screens.
7. The PCM and BCM will be prepared for re-learn.
8. A security timer will be on for approximately 10 minutes. During the 10 minute wait period, the T-50 or T-60 terminal must remain connected to the vehicle.
9. When the PCM and BCM are prepared to re-learn, turn the ignition switch off.
10. Turn the ignition switch to start. The vehicle should now start.

This procedure takes approximately 30 minutes. Make sure the battery is fully charged before proceeding.

1. Turn the ignition switch off.
2. Turn the ignition switch all the way from the off to the start position, then leave it in the on position. Note: The engine will not crank.
3. The SECURITY will come on and stay on for at least 10 minutes.
4. Turn the ignition switch off for five seconds.
5. Repeat steps 2, 3, and 4 again for a second time.
6. Repeat steps 2, 3, and 4 again for a third time.
7. Turn the ignition switch off.
8. Turn the ignition switch all the way to the start position. The engine should now start.
9. Check for BCM Diagnostic Trouble Codes (DTCs).