Reprogram Existing BCM
To program and setup an existing BCM, perform the following procedure:
- With a scan tool, access the Service Programming System (SPS) and follow the on-screen instructions. Refer to Service Programming System (SPS) .
- On the SPS Supported Controllers screen, select BCM Body Control Module - Programming and follow the on-screen instructions.
- On the SPS Supported Controllers screen, select BCM Body Control Module - Setup and follow the on-screen instructions.
- Check the driver information center display for additional messages regarding further calibration instructions. If there are no addition driver information center instructions present, programming is complete.
NOTE:
When performing the Tire Pressure Monitor Sensor Learn during BCM setup, the EL-46079:
Tire Pressure Monitor Diagnostic Tool must be used to activate each tire pressure sensor. Refer to Special Tools
.
If the BCM fails to accept the program, verify all scan tool and BCM connections are secure.
NOTE:
After programming is completed, perform the following to avoid future misdiagnosis:
- Turn the ignition OFF for 10 seconds.
- Open and close the door.
- Connect the scan tool to the data link connector.
- Ignition ON, engine OFF.
- With a scan tool, clear all DTCs from all control modules.