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Programming and Relearning



BODY CONTROL MODULE (BCM) PROGRAMMING/RPO CONFIGURATION

1. The body control module (BCM) must be set up 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. Ensure that the following conditions exist in order to prepare for BCM programming:
- The battery is fully charged.
- The ignition switch is in the ON position.
- All accessories are turned OFF.
- The data link connector (DLC) is accessible.
- All modules and devices are connected.

2. To setup a new BCM, access the SPECIAL FUNCTIONS menu on the scan tool. Select NEW BCM SETUP and follow the instructions on the scan tool.
3. If the BCM fails to accept the setup options, perform the following steps:
- Inspect all BCM connections.
- Verify that the scan tool has the latest software version.

Passlock Learn Procedure - Domestic Vehicles Only

IMPORTANT: If any module or device listed is replaced, programming of the module must be done prior to performing the Passlock Learn procedure.

Perform the Learn Procedure if any of the following components have been replaced:
- The BCM
- The Passlock sensor-Refer to Programming Theft Deterrent System Components in Theft Deterrent for the proper procedure.
- The powertrain control module (PCM)

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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