Programmed BCM 20839063 for 2008-2012 Express 2500 Van Body Control Module

Restore Full Functionality to Your GM Vehicle

If your 2008-2012 Express 2500 Van is suffering from bizarre electrical issues, the Body Control Module (BCM) is the most likely culprit. As the central hub for your vehicle’s body electronics, a failing BCM can cause a cascade of frustrating problems. From flickering lights to non-responsive power windows and door locks, these symptoms can cripple your work van’s reliability. This replacement Body Control Module, part number 20839063, is the definitive solution, arriving pre-programmed with the latest GM software specifically for your vehicle’s VIN.

This isn’t just a part; it’s a complete, ready-to-install fix that saves you the time, cost, and hassle of a dealership visit for programming. Simply provide your VIN at checkout, and our experts will flash the module, ensuring it communicates perfectly with your van’s existing systems right out of the box.

Is Your Vehicle Showing These Symptoms?

A faulty BCM can manifest in numerous ways. If you’re experiencing any of the following, it’s a strong indicator that your BCM needs replacement:

• ✔ Erratic or non-functional interior/exterior lights
• ✔ Power windows, mirrors, or door locks working intermittently or not at all
• ✔ The security or anti-theft system acting up, preventing the vehicle from starting
• ✔ Horn honking unexpectedly or not working
• ✔ Instrument cluster gauges behaving erratically
• ✔ Communication Diagnostic Trouble Codes (DTCs) like U0140, U0155, or other U-series codes

A Straightforward Guide to Your BCM Installation

Replacing the 2008-2012 Express 2500 BCM is a manageable job for a DIYer with basic tools. For the Express/Savana vans, the BCM is typically located behind the center dash panel.

1. Safety First: Always disconnect the negative terminal from your vehicle’s battery before starting any electrical work.
2. Access the Module: Carefully remove the necessary dash trim panels to gain access to the BCM. It’s often secured with a few small bolts or clips.
3. Disconnect and Remove: Note the orientation of the electrical connectors. Press the release tabs firmly and pull the connectors straight out. Do not pull on the wires. Once disconnected, remove the old BCM.
4. Install the New BCM: Mount your new, pre-programmed BCM in the same location. Securely plug in all electrical connectors until they click into place.
5. Final Steps: Reassemble your dash panels and reconnect the negative battery terminal. Start the vehicle to confirm functionality.

Important Post-Installation Information

While this module is pre-programmed, some vehicle systems may require a ‘handshake’ with the new BCM. Please be aware of the following potential procedures:

• ✔ Airbag System Sync: If your airbag warning light is on after installation, a professional scan tool is needed to perform the ‘Setup SDM Primary Key in BCM’ procedure. This syncs the new BCM with the airbag system.
• ✔ Brake Pedal Position Relearn: On some models, a brake pedal position sensor recalibration may be necessary to ensure brake lights and traction control function correctly.
• ✔ No Core Charge: You are not required to return your old module. This saves you the hassle and cost of a core return.

Disclaimer: Specific procedures can vary by vehicle. Always consult a factory service manual or a qualified technician for guidance.

Verified Vehicle Compatibility

This BCM is a direct replacement for a wide range of GM vehicles and part numbers. Please verify your vehicle is on this list. This module replaces the following part numbers: 10382479, 15093910, 15276271, 15299986, 15819552, 15828601, 15837419, 15872388, 15872421, 15880684, 15921352, 15921353, 15948438, 15948439, 20815898, 20839063, 20864767, 20864768, 20921435, 20921436, 20935349, 22860591, 25826124, 25826125, 25847588, 25847589, 25892622, 25910474, 25934762, 25934763, 95151084.