During Body Control Module (BCM) related service, use the procedures below
to set-up the BCM correctly. Read these procedures carefully and completely before
starting the setup procedure.
Setup New Body Control Module (BCM)
Important:
• | Read this procedure carefully and completely. |
• | The BCM will not function properly if the Setup New BCM procedure is
not performed. |
• | Perform the Programming Theft Deterrent System Components procedure after
successfully finishing the Setup New BCM procedure. Refer to
Programming Theft Deterrent System Components
in Theft Deterrent. If
the 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 or start. |
- Connect a Scan Tool
(Tech 2) to the Data Link Connector (DLC).
- Turn the ignition switch on.
- Select Diagnostics and input all of the required data when prompted by
the Scan Tool
(Tech 2).
- Select BODY CONTROL MODULE.
- Select SPECIAL FUNCTIONS.
- Select Setup New BCM.
- Note, Input all of the required data when prompted by the scan tool.
- Select Setup SDM Part Number in BCM, and follow the onscreen directions.
- Select New VIN, and follow the onscreen directions.
- Select Option Configuration, and follow the onscreen directions. .
- Select Point of Sale, and follow the onscreen directions. .
- Exit back to the SPECIAL FUNCTIONS menu.
- When the BCM, VIN, Point of Sale and Option Configuration have been entered,
proceed with the Theft Deterrent Re-learn procedure.
- 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 completing the
above procedure , personalization of the BCM defaults to default settings.
Inform the customer that the personalization settings must be reset.
Programming Theft Deterrent System Components
Refer to
Programming Theft Deterrent System Components
in Theft Deterrent.
Important: After programming, perform the following to avoid future misdiagnosis:
- Turn the ignition OFF for 10 seconds.
- Connect the scan tool to the data link connector.
- Turn the ignition ON with the engine OFF.
- Use the scan tool in order to retrieve history DTCs from all modules.
- Clear all history DTCs.