A new body control module (BCM) must be programmed with the proper regular production option (RPO) configurations. The BCM stores the information regarding the vehicle options and if the BCM is not properly configured with the correct RPO codes the BCM will not control all of the features properly. The Tech 2 software will automatically prompt you with the various RPO's available for the vehicle. Ensure that the following conditions exist in order to prepare for BCM programming:
Important: Use extreme care when verifying both the VIN and Odometer reading that is set in the service BCM. Once the VIN and Odometer are set in the replacement BCM it is impossible to change them, and if there is a mismatch, the part will be rendered useless.
To setup a new replacement BCM select Vehicle Control Systems, then navigate to Computer/Integrating Systems, once in the Computer/Integrating Systems menu select Module Replacement/Setup and follow the instructions on the scan tool. After the setup procedure it is necessary to perform the Remote Start setup procedure and BPP Sensor Calibration procedure. Refer to the Important's below for further information.
If the BCM fails to accept the program, perform the following steps:
• | Inspect all BCM connections. |
• | Verify that the scan tool has the latest software version. |
The remote start feature is calibrated On or Off using only the tech 2 during the BCM setup procedure for MY 2004 vehicles only. The Remote Start Enable / Disable submenu is located in the BCM Setup menu.
Important: If the BCM or the brake apply sensing system (BAS) sensor is replaced, a brake pedal position (BPP) sensor calibration must be performed.
Perform the BPP Sensor Calibration using a scan tool. Refer to Brake Pedal Position Sensor Calibration Description and Operation , for the BPP calibration procedure.
If the SDM is replaced the SDM part number must be learned by the BCM. Using a scan tool navigate to Vehicle Control Systems, Module Setup, Supplemental Inflatable Restraints then select Setup SDM Part Number In BCM. Follow the on screen directions.
Important: After programming, perform the following to avoid future misdiagnosis: