GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 2000 🢒 Monte Carlo 🢒 Body and Accessories 🢒 Instrument Panel, Gauges, and Console 🢒 Body Control Module (BCM) Programming/RPO Configuration

Introduction

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

Setup New Body Control Module (BCM)

Tools Required

Scan Tool (Tech 2)

Important: 

   • Read this procedure carefully and completely.
   • The BCM will not function properly if the Setup New BCM procedure is not performed.
   • 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 crank nor start.

  1. Connect a Scan Tool (Tech 2) to the Data Link Connector (DLC).
  2. Turn the ignition switch on.
  3. Select Diagnostics and input all of the required data when prompted by the Scan Tool (Tech 2).
  4. Select BODY CONTROL MODULE.
  5. Select SPECIAL FUNCTIONS.
  6. Select Setup New BCM.
  7. Note, Input all of the required data when prompted by the scan tool.
  8. Select Setup SDM Part Number in BCM, and follow the onscreen directions.
  9. Select New VIN, and follow the onscreen directions.
  10. Select Option Configuration, and follow the onscreen directions. .
  11. Select Point of Sale, and follow the onscreen directions. .
  12. Exit back to the SPECIAL FUNCTIONS menu.
  13. When the BCM, VIN, Point of Sale and Option Configuration have been entered, proceed with the Theft Deterrent Re-learn procedure.
  14. If the scan tool displays UNABLE TO PROGRAM BCM. BCM IS SECURED, then the BCM must be replaced and this procedure must be repeated on a new BCM.

NOTE: After the above procedure has been completed, personalization of the BCM defaults to a default setting. Inform the customer that the personalization settings must be set again.

Theft Deterrent Re-Learn

Perform this procedure under the following conditions:

    • BCM has been replaced in the vehicle and the Setup New BCM procedure has been successfully completed.
    • Ignition key cylinder assembly has been replaced.

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).

Theft Deterrent Re-Learn Using Techline Equipment and Tech 2 Scan Tool
  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 re-learn procedure is complete.
  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.

Theft Deterrent Re-Learn Using T-50 or T-60
  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.

Theft Deterrent Re-Learn Without Scan Tool or Techline Equipment

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).

Important: After programming, perform the following to avoid future misdiagnosis:

  1. Turn the ignition OFF for 10 seconds.
  2. Connect the scan tool to the data link connector.
  3. Turn the ignition ON with the engine OFF.
  4. Use the scan tool in order to retrieve history DTCs from all modules.
  5. Clear all history DTCs.