Restore Your Truck’s Electrical System with a VIN-Programmed BCM
Are you chasing electrical gremlins in your 2010 Chevy Avalanche? One moment the power windows work, the next they don’t. The security light is flashing for no reason, or worse, the truck won’t start at all. These frustrating, intermittent issues often point to one culprit: a failing Body Control Module (BCM). As the central command center for your truck’s body electronics, a faulty BCM can cause widespread and confusing problems. Stop throwing parts at the problem. This is the definitive, reliable solution.
This isn’t just a replacement part; it’s a complete, ready-to-install solution. We take the guesswork and dealer expense out of the equation by pre-programming this BCM specifically for your vehicle using your VIN. It arrives at your door with the latest GM software updates already loaded, ensuring seamless integration and optimal performance. By installing our 2010 Avalanche 1500 BCM, you’re not just fixing a symptom—you’re restoring the core of your vehicle’s electronic stability and convenience features.
Case Study: A Tricky Diagnosis
A customer’s 2010 Avalanche 1500 came into the shop last month with a laundry list of complaints: the radio would cut out, the interior lights flickered, and occasionally the anti-theft system would prevent it from starting. The owner had already replaced the battery and checked the alternator, but the problems persisted. A quick scan showed a dozen communication codes pointing in different directions. From over 20 years of experience, I know this pattern well. It’s rarely multiple separate failures; it’s almost always the central hub—the BCM. We confirmed the diagnosis, ordered a VIN-programmed module like this one, and installed it. The moment it was connected and the relearn procedures were done, every single electrical issue vanished. It’s a classic case where a single, high-quality part solves a dozen headaches.
Is Your Avalanche Showing These Electrical Gremlins?
- ✔ Power windows, door locks, or mirrors operating erratically or not at all.
- ✔ Interior or exterior lights flickering, staying on, or not turning on.
- ✔ The security or anti-theft system light is on, preventing the engine from starting.
- ✔ The horn honks unexpectedly or doesn’t work.
- ✔ False warnings appearing on the instrument cluster (e.g., ‘Service 4WD’ light).
- ✔ Key fobs are no longer recognized by the vehicle.
- ✔ Complete loss of communication with diagnostic scan tools.
Your Straightforward Installation Guide
Replacing the BCM is a manageable job for a DIY enthusiast. The module is typically located under the steering column on the driver’s side. Always consult a service manual for the exact location on your vehicle.
- Safety First: Disconnect the negative terminal from your vehicle’s battery and wait a few minutes for the system to fully discharge.
- Locate the BCM: On the 2010 Avalanche, it’s generally found under the driver’s side of the dashboard, near the steering column. You may need to remove a lower dash panel for access.
- Disconnect and Remove: Carefully unplug all electrical connectors. They have locking tabs, so be gentle. Once disconnected, unbolt or unclip the old BCM and remove it from its bracket.
- Install the New BCM: Mount the new, pre-programmed BCM in the same location and securely reconnect all electrical harnesses. Ensure each connector clicks into place.
- Reconnect Battery: Reattach the negative battery terminal.
- Critical Post-Installation Steps: After installation, certain procedures are required. You will need a capable diagnostic tool to perform the ‘Setup SDM Primary Key in BCM’ to clear any airbag faults. Some vehicles may also require a Brake Pedal Position Sensor recalibration. Failure to perform these steps can leave warning lights on and systems non-functional.
Verified Vehicle Compatibility
This Body Control Module is a direct-fit replacement for a wide range of General Motors vehicles. While this listing is focused on the 2010 Avalanche 1500 BCM, please verify your part number and specific model below. Providing your VIN at checkout guarantees we will program it correctly for your exact application.
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
Fits Models Including:
- AVALANCHE 1500 10 (ID 25892622)
- ACADIA 07-12
- CAPRICE 11-13
- CAPTIVA SPORT 12
- CTS 08-13
- DTS 06-11
- ENCLAVE 08-12
- ESCALADE / ESV / EXT 10
- EXPRESS VANS 08-12
- G8 08-09
- HUMMER H2 08-09
- IMPALA 06-13
- LUCERNE 06-11
- MONTE CARLO 06-07
- OUTLOOK 07-10
- SAVANA VANS 08-12
- SRX 07-09
- STS 10
- SUBURBAN 1500 10
- TAHOE 10
- TRAVERSE 09-12
- YUKON / YUKON XL 1500 10
Frequently Asked Questions
What exactly does a Body Control Module do?
The BCM acts as the main computer for your vehicle’s non-engine related functions. It controls power windows, locks, lights, the security system, wipers, and many other comfort and convenience features. When it fails, you see strange electrical problems.
Is this part really plug-and-play?
Yes, because we program it to your vehicle’s VIN before shipping, it is designed to be a plug-and-play installation. This eliminates the need for expensive programming at a dealership. However, you must perform the required post-installation relearn procedures (like for the airbag system) with a proper scan tool.
How do I provide my VIN number?
After you complete your purchase, you will need to send us your 17-digit Vehicle Identification Number (VIN). We cannot program and ship the module without it. Please double-check it for accuracy to ensure a perfect match.
Will this fix my ‘Service Theft Deterrent System’ message?
In many cases, yes. A failing BCM is a very common cause of security system faults and no-start conditions related to the anti-theft system on these GM vehicles. This programmed module restores that functionality.
What happens if I skip the post-installation procedures?
Skipping the ‘Setup SDM Primary Key’ or brake sensor recalibration can result in persistent warning lights on your dash (like the airbag light) and may cause certain systems to not function correctly. It is a critical final step for safety and proper operation.