Is Your 2010 Avalanche Plagued by Electrical Gremlins?
If you’re dealing with bizarre and unpredictable electrical issues in your 2010 Chevrolet Avalanche, the culprit is often the Body Control Module (BCM). This component is the central nervous system for your truck’s body electronics, managing everything from your power windows and door locks to the interior lights and security system. When it starts to fail, it can create a cascade of frustrating problems that seem unrelated but all point back to this single, critical computer.
A failing BCM doesn’t just cause inconvenience; it can compromise your vehicle’s functionality and security. Instead of spending a fortune at the dealership on diagnostics and programming fees, you can get a reliable, direct-fit solution right here. This is a replacement Body Control Module, programmed with the latest GM software updates specifically for your truck using its unique VIN. It arrives ready for installation, eliminating the need for expensive dealer tools or additional programming.
From the Diagnostic Bay
We had a 2010 Avalanche come into the shop that was driving the owner crazy. The dome lights would randomly turn on while driving, the power locks would work one minute and not the next, and the security light would flash intermittently, sometimes preventing the truck from starting. The owner had already replaced the battery and checked all the fuses. After connecting our scan tool, we saw multiple communication error codes pointing towards the BCM. Instead of a complex wiring issue, it was the central computer itself causing the chaos. We installed a VIN-programmed BCM just like this one, and within an hour, all the strange electrical issues were gone. It’s a perfect example of how one failing module can create a host of confusing symptoms.
Common Symptoms of a Failing BCM
- ✔️ Power windows, mirrors, or door locks operating erratically or not at all.
- ✔️ Interior or exterior lights staying on, flickering, or not turning on.
- ✔️ The vehicle’s security system malfunctioning or preventing the engine from starting.
- ✔️ Instrument cluster gauges behaving erratically or warning lights appearing without cause.
- ✔️ Key fob not responding or working intermittently.
- ✔️ Horn honking unexpectedly or not working when pressed.
- ✔️ Communication errors with other vehicle modules, often flagged by a professional scan tool.
Why Our 2010 Avalanche Body Control Module is the Right Choice
This isn’t just a replacement part; it’s a complete solution. We take the guesswork and hassle out of the repair. When you order, you provide us with your vehicle’s VIN. Our technicians then program the module with the correct software and vehicle-specific configuration files directly from GM. This ensures that the BCM communicates perfectly with your truck’s other electronic systems, like the Engine Control Module (ECM) and Transmission Control Module (TCM), right out of the box.
Key Benefits:
- VIN Programmed: Arrives flashed with the latest GM software and configured to your specific vehicle. No dealer visit required for programming.
- Easy Installation: Designed for a direct fit. Simply disconnect the battery, locate and swap your old BCM, and reconnect the battery.
- No Core Charge: You don’t need to worry about the cost or hassle of sending your old, faulty part back.
- Broad Compatibility: This module replaces a wide range of original part numbers, ensuring you get the right component.
Installation and Post-Install Considerations
Installation is generally straightforward. The BCM on a 2010 Avalanche is typically located under the steering column, accessible from the driver’s side footwell. While the physical swap is simple, some vehicles may require additional electronic relearn procedures after the new module is installed. Please be aware of the following:
- Airbag System Sync: If the airbag warning light is illuminated after installation, a ‘Setup SDM Primary Key in BCM’ procedure is necessary. This requires a professional-grade scan tool to sync 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 recalibration might be needed to ensure proper operation of the brake lights and stability control systems.
Always consult a factory service manual or a qualified technician if you are unsure about any part of the installation process.
Guaranteed Fitment for Multiple Part Numbers
This module is a direct replacement for 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. Purchasing our 2010 Avalanche Body Control Module ensures you receive a fully compatible and correctly programmed part.
Frequently Asked Questions
What does a Body Control Module do?
The BCM is a computer that controls and monitors the body electronics of your vehicle. This includes power windows, door locks, lighting, security systems, wipers, and other comfort and convenience features. It acts as a central hub for these functions.
Is this BCM difficult to install?
The physical installation is typically simple, involving unplugging the old module and plugging in the new one. However, some vehicles may require post-installation procedures like an airbag system sync or brake pedal position relearn, which may require a professional scan tool.
Do I need to program this module?
No. We handle all the programming for you before shipment. You just need to provide your vehicle’s VIN at checkout, and the module will arrive ready to be installed.
What happens if I don’t provide my VIN?
Providing your VIN is mandatory for this part. We cannot program or ship the module without it, as the programming is essential for the BCM to function correctly in your specific vehicle. This ensures compatibility and proper operation of all related systems.
Will this fix my specific electrical problem?
This BCM is the solution for failures of the module itself. While it corrects a wide range of common electrical symptoms, we always recommend a proper diagnosis by a qualified technician to confirm the BCM is the root cause of your issue before ordering.
What is the airbag light procedure you mentioned?
After installing a new BCM, the vehicle’s airbag system (SDM) may not recognize it, causing the airbag warning light to come on. A procedure called ‘Setup SDM Primary Key in BCM’ uses a diagnostic tool to create a digital handshake between the two modules, which resolves the light.