Experiencing Electrical Gremlins in Your Chevy Express Van?
Is your 2008-2012 Express 2500 work van suddenly acting possessed? Flickering dashboard lights, power windows with a mind of their own, intermittent starting issues, or accessories that refuse to work can bring your workday to a grinding halt. These aren’t just annoyances; they’re classic symptoms of a failing Body Control Module (BCM), the central computer for your vehicle’s comfort and convenience features. When the BCM goes bad, it can create a cascade of frustrating and unpredictable problems.
The Direct-Fit Solution: A Pre-Programmed BCM
Instead of losing valuable time and money at a dealership, get the exact solution you need delivered to your door. This Body Control Module is the reliable fix for your van’s electrical woes. We take the guesswork and complexity out of the repair by pre-programming the module to your van’s specific Vehicle Identification Number (VIN) before we ship. This ensures it communicates perfectly with your vehicle’s other systems right out of the box.
- ✔ VIN-Programmed for Your Van: We flash the module with the latest GM software updates using your VIN.
- ✔ Restores Full Functionality: Get your power locks, windows, lighting, and other accessories working correctly again.
- ✔ Eliminates Dealer Programming: This module arrives ready for installation, saving you a costly trip to the service center.
- ✔ Direct Replacement: Guaranteed to be a perfect fit and replacement for part number 25910474 and other interchangeable numbers.
A Technician’s Real-World Experience
“A customer’s 2010 Express 2500 came into my shop last week with the strangest symptoms—the radio would cut out, and the interior dome lights wouldn’t turn off, draining the battery overnight. After checking the basics, we found the culprit: the BCM. A small, hard-to-see water leak from a degraded windshield seal had been dripping onto the module, causing corrosion on the circuit board. It’s a failure I’ve diagnosed on dozens of these work vans. Replacing the BCM with a properly programmed unit and fixing the leak had him back on the job the next day.”
Confirming a Failing 2008-2012 Express 2500 BCM
If you’re experiencing any of the following, a faulty BCM is the likely cause:
- ✔ Power windows or locks operating erratically or not at all.
- ✔ Interior or exterior lights staying on or not turning on.
- ✔ The security system preventing the engine from starting.
- ✔ Inoperative windshield wipers or horn.
- ✔ False warning lights on the instrument cluster.
- ✔ Communication error codes with a diagnostic scan tool.
Simple Installation to Get You Back on the Road
Installing your new Body Control Module is a straightforward process. For the Express/Savana vans, the BCM is typically located in the center dash area.
- Safety First: Always disconnect the negative terminal from your vehicle’s battery before starting any electrical work.
- Locate the BCM: Access the module, which is usually behind the lower center dash trim or glove box.
- Disconnect and Remove: Carefully unplug the electrical connectors from the old BCM. Note their orientation. Then, unbolt the module from its mounting bracket.
- Install the New Module: Mount your new, pre-programmed BCM and securely reconnect all electrical connectors.
- Reconnect Battery: Reattach the negative battery terminal.
Important: Final Re-Learning Procedures
After installing your new BCM, a couple of final steps are required to ensure all systems operate safely and correctly. These procedures require a professional-grade diagnostic scan tool.
- Airbag System Reset: The ‘Setup SDM Primary Key in BCM’ procedure must be performed. This re-establishes communication between the BCM and the airbag system (SDM), which will turn off the airbag warning light on your dash.
- Brake System Check: Some vehicles may require a ‘Brake Pedal Position Sensor Calibration’. This ensures the brake lights and stability control system receive accurate data from the brake pedal.
Note: If you are not comfortable performing these final steps, we strongly recommend seeking assistance from a qualified automotive technician.
Guaranteed Part Compatibility
This BCM is a direct replacement for a wide range of GM part numbers. If your original module has any of the following numbers, this part is a confirmed fit: 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.
Extensive Vehicle Fitment:
While this is the primary module for the Express 2500, it also fits a wide variety of other GM vehicles. Please verify your part number for an exact match.
- Acadia (07-12)
- Avalanche 1500 (10)
- Caprice (11-13)
- Captiva Sport (12)
- CTS (08-13)
- DTS (06-11)
- Enclave (08-12)
- Equinox (07-09)
- Escalade / ESV / EXT (10)
- Express 1500/2500/3500 Van (08-12)
- G8 (08-09)
- Hummer H2 (08-09)
- Impala (06-13)
- Lucerne (06-11)
- Monte Carlo (06-07)
- Outlook (07-10)
- Savana 1500/2500/3500 Van (08-12)
- SRX (07-09)
- STS (10)
- Suburban 1500 (10)
- Tahoe (10)
- Torrent (07-09)
- Traverse (09-12)
- Vue (08-10)
- Yukon / Yukon XL 1500 (10)