Restore Your GM Vehicle’s Electrical System
If you’re dealing with flickering lights, a possessed instrument cluster, or power accessories that have a mind of their own, you’ve likely met the frustrating reality of a failing Body Control Module (BCM). As the central hub for your vehicle’s body electronics, a faulty BCM can cause chaos. This isn’t just an annoyance; it can affect vehicle security and drivability. This replacement Body Control Module is the definitive solution, arriving pre-programmed to your vehicle’s specific VIN for a straightforward installation.
Forget about expensive dealership visits for programming. Simply provide your VIN after purchase, and our team of experts will flash the module with the latest GM software updates. This ensures it communicates perfectly with your vehicle’s other systems right out of the box, restoring the reliable performance you depend on. We’re here to get you back on the road without the typical hassle and expense.
A Technician’s Notebook
I remember a 2010 GMC Yukon that came into my bay with a laundry list of bizarre symptoms. The owner said the dome lights would stay on, the radio would randomly shut off, and the power locks were unresponsive. His original mechanic had replaced the battery and alternator, but the problems persisted. A quick scan with a pro-tool revealed multiple U-codes, specifically U0140 (Lost Communication With Body Control Module). This is a classic sign. The internal circuits of the original BCM were failing, sending garbled messages across the vehicle’s network. Installing a VIN-programmed BCM like this one resolved every single issue in under an hour. It’s a fix I’ve performed hundreds of times on these GM platforms.
Common Signs of a Failing BCM
The BCM is the nerve center for your vehicle’s comfort and convenience features. When it fails, the symptoms can be widespread and confusing. Here’s what to look for:
- ✔ Erratic or non-functional interior and exterior lights (headlights, dome lights, dash lights).
- ✔ Power windows, door locks, or mirrors working intermittently or not at all.
- ✔ The security system acting up, causing no-start conditions or a constantly flashing security light.
- ✔ The horn honking unexpectedly or not working when needed.
- ✔ Diagnostic Trouble Codes (DTCs) related to communication errors, such as U0140, U0155, or various B-codes.
- ✔ Instrument panel gauges behaving erratically or going dead.
A Straightforward Guide to BCM Installation
Replacing the BCM in your 2010 Yukon or other compatible GM vehicle is a manageable job for a confident DIYer. Our pre-programming service handles the most complex part for you.
- 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 most GM trucks and SUVs like the Yukon and Tahoe, the BCM is located under the driver’s side of the dashboard, near the steering column. For vans and other models, it may be in the center dash area. A quick search for your specific model will confirm its location.
- Disconnect and Remove: Carefully unplug the electrical connectors. They have locking tabs that need to be depressed. Once disconnected, unbolt or unclip the old BCM from its mounting bracket.
- Install the New Module: Mount your new, pre-programmed BCM in the same location and securely re-attach all electrical connectors. You should hear a click as they lock into place.
- Reconnect and Test: Reconnect the negative battery terminal. Turn the key to the ‘On’ position (without starting the engine) and test your lights, locks, windows, and other accessories to confirm functionality.
Important Post-Installation Information
While our programming gets you 95% of the way there, some GM vehicles require a final handshake between modules after installation. Be aware of the following potential procedures:
- Airbag System Sync: If your airbag/SRS warning light is illuminated after installation, a ‘Setup SDM Primary Key in BCM’ procedure is needed. This requires a professional bi-directional scan tool to sync the BCM with the airbag system.
- Brake Pedal Position Relearn: In some cases, a Brake Pedal Position (BPP) sensor relearn may be necessary to ensure correct brake light operation and to prevent issues with the traction control system.
- No Core Charge: You are not required to return your old BCM. This saves you the time and money associated with core returns.
Disclaimer: Vehicle systems vary. Always refer to a factory service manual or consult with a qualified automotive technician if you are unsure about any step.
Verified Fitment for Your GM Vehicle
This Body Control Module is a direct replacement for a wide range of General Motors vehicles. It is compatible with multiple part numbers, ensuring broad coverage. Please verify your vehicle is on the list below. The critical step is providing your VIN so we can ensure perfect software matching.
Compatible 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:
- Acadia (2007-2012)
- Avalanche 1500 (2010)
- Caprice (2011-2013)
- Captiva Sport (2012)
- CTS (2008-2013)
- DTS (2006-2011)
- Enclave (2008-2012)
- Equinox (2007-2009)
- Escalade, ESV, EXT (2010)
- Express Vans (2008-2012)
- G8 (2008-2009)
- Hummer H2 (2008-2009)
- Impala (2006-2013)
- Lucerne (2006-2011)
- Monte Carlo (2006-2007)
- Outlook (2007-2010)
- Savana Vans (2008-2012)
- SRX (2007-2009)
- STS (2010)
- Suburban 1500 (2010)
- Tahoe (2010)
- Torrent (2007-2009)
- Traverse (2009-2012)
- Vue (2008-2010)
- Yukon & Yukon XL 1500 (2010)
Frequently Asked Questions
Do I really need to provide my VIN?
Yes, this is a critical step. We use your Vehicle Identification Number (VIN) to load the exact software and vehicle-specific options your car came with from the factory. This ensures all features work correctly and eliminates the need for dealer programming.
Is this a simple plug-and-play installation?
For the most part, yes. Because we program it to your VIN, the module itself is plug-and-play. However, as noted in the description, some GM vehicles may require a simple ‘relearn’ or ‘sync’ procedure for the airbag or brake systems, which may require a pro-level scan tool.
Will this fix my ‘Service Security System’ message?
A failing BCM is a very common cause of security system errors and no-start conditions. While other issues can cause this message, if you have other BCM-related symptoms, there is a very high probability this part will solve the problem.
What happens if I don’t do the airbag or brake relearn procedures?
If the airbag light is on, the system is disabled and will not deploy in an accident. If the brake pedal position isn’t learned, you may have issues with brake light function or the traction/stability control system may not work as intended. It’s important to complete these steps if required for your vehicle.
Is there a core charge for my old part?
No, there is absolutely no core charge. You can keep your old module or dispose of it responsibly without needing to send it back to us.