Restore Full Control and End Electrical Frustration in Your GM Vehicle
Are you battling bizarre electrical issues in your 2006-2013 Chevrolet Impala? Flickering lights, malfunctioning power windows, a security system with a mind of its own, or warning lights that won’t go away are classic signs of a failing Body Control Module (BCM). The BCM is the central command for your vehicle’s body electronics, and when it starts to fail, it can make driving an unpredictable and frustrating experience. In my 20+ years as a technician, I’ve seen how a faulty BCM can mimic a dozen other problems, leading to wasted time and money on incorrect diagnoses.
This isn’t just a replacement part; it’s a complete, ready-to-install solution. We take the hassle and high cost of dealership visits out of the equation. Simply provide us with your vehicle’s VIN (Vehicle Identification Number) after purchase, and our experts will program this BCM with the latest GM factory software specific to your car. This ensures seamless integration and restores all functions to factory specifications. This is the most reliable and efficient way to replace your faulty 2006-2013 Impala BCM and get your car back to normal.
A Technician’s Notebook: The Haunted Impala
A customer brought in their 2011 Impala last month with a laundry list of complaints: the dome light would stay on, the driver’s side power window worked intermittently, and the anti-theft light would flash randomly, sometimes preventing the car from starting. They had already replaced the window switch and a few relays with no luck. After connecting my scan tool, I found a U0140 code—Lost Communication With Body Control Module. This pointed directly to the problem. Instead of a complex wiring repair, we installed a VIN-programmed 2006-2013 Impala BCM. The new module immediately resolved all the ghostly electrical issues, saving the customer from further diagnostic headaches and the high cost of dealer programming.
Common Signs of a Failing Body Control Module
- ✔ Erratic or non-functional interior and exterior lights (headlights, taillights, dome lights).
- ✔ Power windows, door locks, or mirrors behaving unpredictably or not at all.
- ✔ The security system or keyless entry failing to work correctly, or the alarm sounding for no reason.
- ✔ Dashboard warning lights (like the airbag or security light) illuminating incorrectly.
- ✔ Communication error codes, most commonly U-series codes like U0140, stored in the vehicle’s computer.
- ✔ Wipers activating on their own or not working when switched on.
Your Step-by-Step BCM Replacement Guide
- Safety First: Always disconnect the negative terminal from your vehicle’s battery and wait a few minutes to ensure all systems are powered down.
- Locate the BCM: On the 2006-2013 Impala, the BCM is typically located on the left (driver’s) side of the dash, often near the steering column or behind the lower dash panel. Consult a repair manual for your specific vehicle if you’re unsure.
- Disconnect and Remove: Carefully unplug the electrical connectors from the old BCM. They have locking tabs that need to be pressed. Once disconnected, unbolt or unclip the module from its mounting bracket and remove it.
- Install the New Module: Mount your new, pre-programmed BCM in the same location and securely plug in all the electrical connectors. Ensure they click into place.
- Reconnect the Battery: Re-attach the negative battery terminal.
- Perform Final Procedures: After installation, certain procedures are non-negotiable for safety and function. You will need a capable diagnostic scan tool to perform the ‘Setup SDM Primary Key in BCM’ procedure to extinguish the airbag light. Additionally, some vehicles require a Brake Pedal Position Sensor recalibration. If you are not equipped to do this, assistance from a professional technician is required.
Verified Fitment for Your GM Vehicle
This BCM is a direct replacement for a wide range of GM vehicles and part numbers. Please verify your original part number is on this list. This module is compatible with the following models and part numbers:
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
Compatible Models: 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/Savana Vans (08-12), G8 (08-09), Hummer H2 (08-09), Impala (06-13), Lucerne (06-11), Monte Carlo (06-07), Outlook (07-10), SRX (07-09), STS (10), Suburban 1500 (10), Tahoe (10), Torrent (07-09), Traverse (09-12), Vue (08-10), Yukon/Yukon XL 1500 (10). Please check the detailed fitment list for specific options and IDs.
Frequently Asked Questions
Why do you need my VIN?
Your VIN is essential for us to program the BCM with the exact software and vehicle-specific options your car came with from the factory. This ensures all features work correctly and makes the installation a true plug-and-play experience without needing a dealership.
Is this a difficult part to install myself?
For someone with basic mechanical skills, the physical swap is straightforward. However, the critical final steps, like the airbag system reset and brake pedal recalibration, require a professional-grade scan tool. We recommend this for experienced DIYers or professional installation.
What happens if I don’t do the airbag or brake pedal procedures?
Failure to perform the ‘Setup SDM Primary Key’ procedure will result in the airbag warning light staying on, and the airbag system may not function correctly in an accident. Skipping the brake pedal recalibration (if required for your vehicle) can affect brake light operation and stability control performance.
Will this fix my specific problem?
This module is the definitive solution for a failed BCM. If your vehicle has been properly diagnosed with a faulty 2006-2013 Impala BCM, this part will resolve the associated symptoms. Common signs include erratic lights, lock/window failure, and communication codes.
Is this a new or used part?
This is a high-quality, inspected, and tested recycled OEM part that has been expertly programmed with the latest GM software for your vehicle. It provides OEM reliability without the high dealership price tag.