Restore Full Functionality to Your Workhorse Van
If you’re dealing with baffling electrical issues in your 2008-2012 Chevrolet Express 1500 Van, you know how frustrating it can be. One minute the power locks work, the next they don’t. The dome light has a mind of its own, or worse, you’re facing an intermittent no-start condition that’s costing you time and money. As a technician with over two decades of experience, I’ve seen these exact scenarios hundreds of times. The culprit is almost always a failing Body Control Module (BCM), the central command center for your van’s body electronics.
This isn’t just a replacement part; it’s a complete, ready-to-install solution. We take the hassle and high cost of dealership programming out of the equation. Simply provide your van’s VIN during checkout, and our experts will program this BCM with the latest GM factory software specific to your vehicle. This ensures all systems—from your interior lights and power windows to the security system—communicate correctly right out of the box, restoring the reliability your work demands.
A Technician’s Notebook: The Case of the Ghostly Gremlins
I remember a 2011 Express 1500 that came into my shop. The owner, a local plumber, was at his wit’s end. His van would randomly refuse to start, the radio would cut out, and the security light would flash for no reason. He’d already replaced the battery and checked the alternator. After hooking up my scan tool, I found a slew of ‘U’ codes, specifically U0140 (Lost Communication With Body Control Module). This told me the BCM wasn’t talking to the other modules properly. After confirming power and ground to the BCM were good, we installed a pre-programmed unit just like this one. The communication codes vanished, and all the strange electrical issues were resolved instantly. It’s a classic example of how a failing BCM can cause a chain reaction of seemingly unrelated problems.
Is Your Express Van Showing These Electrical Gremlins?
A failing BCM can manifest in numerous ways. If you’re experiencing any of the following, it’s a strong indicator that your Body Control Module needs attention:
- ✔ Power windows, mirrors, or door locks operating erratically or not at all.
- ✔ Interior or exterior lights staying on, flickering, or not turning on.
- ✔ The security system engaging randomly, causing a no-start condition.
- ✔ The dashboard displaying incorrect information or warning lights (like the airbag light).
- ✔ Communication-related Diagnostic Trouble Codes (DTCs), such as U0140, U0155, or B1001.
- ✔ Issues with the heating and A/C blower motor controls.
Your Straightforward BCM Installation Guide
Installing your new 2008-2012 Express 1500 BCM is a manageable job for a confident DIYer. For the Express and Savana vans, the BCM is typically located behind the center dash panel.
- Safety First: Always disconnect the negative terminal from your vehicle’s battery and wait at least 10 minutes to allow capacitors to discharge.
- Access the Module: Carefully remove the necessary dash trim panels to gain access to the BCM. It’s often mounted to a bracket near the center console area.
- Disconnect and Remove: Unplug the electrical connectors from the old BCM. They have locking tabs that need to be depressed. Once disconnected, unbolt the module from its mounting bracket.
- Install the New BCM: Mount the new, pre-programmed BCM onto the bracket and securely plug in all the electrical connectors. You should hear a ‘click’ as they lock into place.
- Reconnect and Test: Reconnect the negative battery terminal. Turn the key to the ‘On’ position and test all body functions—windows, locks, lights, radio, and HVAC controls—to confirm proper operation.
- Perform Final Procedures: If your airbag light is on or you notice any issues with brake lights, proceed to the post-installation relearn procedures listed below.
Important Post-Installation Steps
Because this BCM is the nerve center for multiple systems, a final ‘handshake’ with other modules may be required. Please note that these procedures require a professional-grade bidirectional scan tool.
- Airbag System Sync: If the airbag warning light is on after installation, a ‘Setup SDM Primary Key in BCM’ procedure is needed. This syncs the new BCM with the airbag system’s Sensing and Diagnostic Module (SDM).
- Brake Pedal Position Relearn: On some models, a brake pedal position sensor relearn is necessary to ensure the brake lights and traction control system function correctly.
Disclaimer: We’re here to help, but procedures can vary. Always consult a factory service manual or a qualified technician for guidance specific to your vehicle.
Verified Vehicle Compatibility List
This Body Control Module, part number 25934763, is a direct replacement for a wide range of GM vehicles. While this listing is for the 2008-2012 Express 1500 BCM, it also fits the following models. Please verify your original part number matches one from our list.
AVALANCHE 1500 10
CAPRICE 11-13
CAPTIVA SPORT 12
CTS 08-13
DTS 06-11
ENCLAVE 08-12
EQUINOX 07-09
ESCALADE 10
ESCALADE ESV 10
ESCALADE EXT 10
EXPRESS 1500 VAN 08-12
EXPRESS 2500 VAN 08-12
EXPRESS 3500 VAN 08-12
G8 08-09
HUMMER H2 08-09
IMPALA 06-13
LUCERNE 06-11
MONTE CARLO 06-07
OUTLOOK 07-10
SAVANA 1500 VAN 08-12
SAVANA 2500 VAN 08-12
SAVANA 3500 VAN 08-12
SRX 07-09
STS 10
SUBURBAN 1500 10
TAHOE 10
TORRENT 07-09
TRAVERSE 09-12
VUE 08-10
YUKON 10
YUKON XL 1500 10
This module replaces 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.
Do I need to send my old BCM back?
Do I need to send my old BCM back?
No, there is absolutely no core charge for this part. You can keep your original module, which can be helpful for double-checking part numbers or for your own records.
How do I provide my VIN for programming?
After you complete your purchase, you will need to send us your vehicle’s 17-digit VIN (Vehicle Identification Number). We will provide clear instructions on how to do this. We cannot ship the module until we have programmed it with your specific VIN.
Is this a plug-and-play part?
For most functions, yes. Because we program it to your VIN, it will control the main body electronics right away. However, as noted above, certain systems like the airbag (SRS) and sometimes the brake position sensor may require a final ‘relearn’ procedure with a professional scan tool to fully sync with the new BCM.
What happens if my airbag light comes on after installation?
This is a known possibility and simply means the new BCM needs to be formally introduced to the airbag’s computer (SDM). A qualified mechanic with a bidirectional scan tool can perform the ‘Setup SDM Primary Key in BCM’ procedure to resolve this and turn off the light.
Will this fix my no-start problem?
If your no-start issue is caused by the BCM’s control over the vehicle’s anti-theft or security system, then yes, this programmed module will resolve it. A faulty BCM is a very common cause of security-related starting problems in these GM vans.