End the Electrical Gremlins in Your GM Van or SUV
If you’re dealing with bizarre electrical issues in your 2008-2012 Savana 2500 Van—like power windows with a mind of their own, intermittent door locks, flickering lights, or a security system that won’t cooperate—the Body Control Module (BCM) is the most likely culprit. As the central nervous system for your vehicle’s body electronics, a failing BCM can turn a reliable workhorse into a frustrating puzzle. Over my 20 years in diagnostics, I’ve seen how a faulty BCM can mimic a dozen other problems, leading to wasted time and money on incorrect repairs.
This isn’t just a replacement part; it’s a complete, hassle-free solution. We offer a professional Cloning Service for this BCM. This means we transfer the critical data from your original module directly to this replacement unit. By cloning the data, we ensure that your vehicle’s specific configuration, including security information and optional features, is perfectly preserved. We flash the module with the latest GM-certified software updates using your VIN, correcting known factory bugs and improving performance. The result is a true plug-and-play module that restores function without a mandatory, expensive trip to the dealership for programming.
A Technician’s Notebook
I remember a 2011 Express 2500 that came into the shop. The owner, a contractor, was at his wit’s end. The dome lights wouldn’t turn off, draining the battery overnight. His power locks only worked occasionally, and the radio would randomly shut off. He’d already replaced the battery and checked all the fuses. A quick scan showed a slew of communication errors, all pointing back to one component: the BCM. Instead of sending him to a dealer for a new, unprogrammed module and a hefty bill, we installed a cloned BCM like this one. In under an hour, every single electrical gremlin was gone. He was back on the job the same day, which is what it’s all about.
Is Your Vehicle Showing These Symptoms?
A failing BCM can cause a wide range of confusing symptoms. If you’re noticing any of the following, this module is the likely solution:
- ✔ Power windows or locks operating erratically or not at all.
- ✔ Interior or exterior lights staying on or not turning on.
- ✔ The security system or keyless entry failing to work correctly.
- ✔ The horn sounding unexpectedly or not working.
- ✔ Dashboard warning lights appearing for no reason.
- ✔ Communication error codes, such as U0140, U0155, or other U-codes, stored in the system.
- ✔ Intermittent issues that seem to have no pattern or cause.
Your Straightforward BCM Installation Guide
For the confident DIYer or professional mechanic, installing this cloned BCM is a direct process. Since the programming is already done, you can avoid the complex dealership tools.
- Safety First: Always disconnect the negative terminal from your vehicle’s battery and wait about 10 minutes to allow all systems to power down completely.
- Locate the BCM: On most Savana and Express vans, the BCM is located in the center dash area. On other GM models, it may be under the steering column or on the left side of the dash. A quick search for your specific model will confirm the location.
- Remove Trim Panels: Carefully remove any plastic trim or panels necessary to access the BCM. Use a trim removal tool to avoid scratching or breaking clips.
- Disconnect and Remove: Unplug the electrical connectors from the old BCM. They have locking tabs that need to be depressed. Once disconnected, unbolt or unclip the module from its mounting bracket.
- Install the New Module: Mount your new, pre-programmed BCM in the same location and reconnect all electrical harnesses. Ensure they click securely into place.
- Final Steps: Re-install the trim panels and reconnect the negative battery terminal. Start the vehicle and test all functions (lights, locks, windows, etc.). Refer to the post-installation procedures below if any warning lights appear.
Important Post-Installation Checks
Because this is a cloned module, most vehicles will not require any additional steps. However, on some GM platforms, you may need to perform a simple relearn procedure. This is standard for this type of repair.
- Airbag System Sync: If the airbag light is on after installation, a professional scan tool is needed to perform the ‘Setup SDM Primary Key in BCM’ procedure. This syncs the airbag system with the new BCM. This is only required if the light is illuminated.
- Brake Pedal Position Relearn: On some models, a brake pedal position sensor relearn may be needed to ensure correct brake light and traction control operation. This can also be done with a capable scan tool.
Disclaimer: Vehicle systems vary. We always recommend consulting a factory service manual for procedures specific to your vehicle.
Guaranteed Fitment for Your GM Vehicle
This BCM is a direct replacement for a wide range of GM cars, trucks, and SUVs. It 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, and 95151084.
This part will fit these makes and models with these options:
Note: Specific IDs or options may apply. Please match your part number or contact us with your VIN to confirm compatibility.
Frequently Asked Questions
How does the cloning service work?
After you place your order, you will send us your original Body Control Module. We use specialized equipment to extract the vehicle-specific data and transfer it to the replacement module. This ensures all your vehicle’s features and security information work perfectly. We then ship both your original and the ready-to-install replacement back to you.
Do I need to send my original BCM to you?
Yes, for the cloning service to work, we need your original module to read the data from. This is the most reliable way to ensure a seamless installation without needing a trip to the dealer for programming.
What if I don’t have my original BCM?
If your original module is missing or completely unreadable (e.g., severe water or fire damage), please contact us before ordering. We have other programming options available that may work for your situation.
Is this a difficult part for a DIYer to install?
For someone with basic mechanical skills, it’s very manageable. The main challenge is typically accessing the module behind the dash panels. Since our module is pre-programmed, you avoid the most difficult part of the job, which is the computer programming.
What is your core policy?
We do not keep your original module. Our cloning service requires your original unit to transfer data, and we always return your original BCM along with the programmed replacement unit. There are no core charges or fees.