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HOMESERVICE MANUALSCHEVROLET2002MONTE CARLO LSREPAIR AND DIAGNOSISACCESSORIES & EQUIPMENTBODY INTERIORBODY CONTROL SYSTEMREPAIR INSTRUCTIONSBODY CONTROL MODULE (BCM) PROGRAMMING/RPO CONFIGURATIONSETUP NEW BODY CONTROL MODULE (BCM)
2002 Chevrolet Monte Carlo LS

Setup New Body Control Module (BCM)

2002 Chevrolet Monte Carlo LSSECTION Setup New Body Control Module (BCM)

Important: 

  • The BCM will not function properly if the Setup New BCM procedure is not performed.
  • Make sure the battery is fully charged before performing the setup procedure.
  • Make sure all disconnected devices and connectors have been reconnected
  • Perform the Theft Deterrent Re-learn procedure after successfully finishing the Setup New BCM procedure. Refer to PASSLOCK(tm) SYSTEM in Theft Deterrent. 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 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.
  4. Select BODY CONTROL MODULE.
  5. Select SPECIAL FUNCTIONS.
  6. Select New VIN and input all required data.
  7. Exit back to the SPECIAL FUNCTIONS menu.
  8. Select BCM REPROGRAMMING.
  9. The scan tool will display DO YOU WANT TO SETUP A BODY CONTROL MODULE? At the prompt, select SETUP BCM on the scan tool.
  10. The scan tool will display: NOW SETTING UP THE NEW BODY CONTROL MODULE.
  11. When the BCM has been setup successfully, the scan tool will display: BODY CONTROL MODULE SETUP IS COMPLETE.
  12. Exit back to the SPECIAL FUNCTIONS menu.
  13. Select Point of Sale in this menu.
  14. Input all of the required data when prompted by the scan tool.
  15. Exit back to the SET OPTIONS menu.
  16. Select Option Configuration.
  17. Input all of the required data when prompted by the scan tool.
  18. When the BCM, VIN, Point of Sale and Option Configuration have been entered, proceed with the Theft Deterrent Re-learn procedure.
  19. 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.

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.
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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.