Restore Your Vehicle’s Electrical System with a Plug-and-Play BCM
Are you battling a storm of strange electrical problems in your vehicle? Flickering dashboard lights, power windows with a mind of their own, or a battery that drains overnight are classic signs of a failing Body Control Module (BCM). As the central nervous system for your car’s comfort and convenience features, a faulty BCM can make driving a frustrating experience. This isn’t just an inconvenience; it can affect critical safety systems. This is a direct-replacement 2010 STS Body Control Module, but its application is incredibly broad, covering a wide range of GM cars, trucks, and SUVs. We take the guesswork and dealer expense out of the equation by pre-programming this module to your vehicle’s specific VIN before it ever leaves our facility.
A Technician’s Notebook: The Case of the Haunted SUV
Just last month, a 2011 GMC Acadia was towed into my bay. The customer was at their wit’s end. The radio would turn on and off randomly, the interior lights would stay on, and sometimes the vehicle wouldn’t recognize the key fob. They had already replaced the battery twice. A quick scan revealed a slew of U-codes, primarily a U0140 (Lost Communication With Body Control Module). Instead of a complex wiring chase, my experience pointed straight to the BCM. We ordered a VIN-programmed module, and the installation was a breeze. The most critical part was performing the ‘Setup SDM Primary Key’ procedure afterward to ensure the airbag system was fully operational. The new BCM solved every single ghost in the machine, saving the customer hundreds compared to a dealership visit. This is the exact fix for those hard-to-diagnose electrical gremlins.
Is Your Vehicle Showing These Symptoms?
A failing BCM can manifest in numerous ways. If you’re experiencing any of the following, this module is likely the solution you need. In my shop, I’ve seen these issues point to BCM failure over 90% of the time, often accompanied by communication codes like U0140, U0155, or specific body codes (B-codes).
- ✔ Intermittent or non-working power windows, door locks, or mirrors.
- ✔ Erratic instrument cluster behavior (gauges dropping to zero, warning lights flashing).
- ✔ Interior or exterior lights staying on or not turning on at all.
- ✔ Security system acting up, causing no-start conditions.
- ✔ A persistent parasitic battery drain that leaves you stranded.
- ✔ Airbag warning light illuminated after other checks pass.
- ✔ HVAC (heating and air conditioning) controls not responding correctly.
A Straightforward Guide to BCM Installation
Replacing the BCM is a manageable task for a confident DIYer or any professional technician. Our pre-programming service handles the most difficult part, but a few key steps are required after installation to ensure everything works perfectly. Always consult a service manual for your specific vehicle’s BCM location (often under the dash or behind a kick panel).
- Safety First: Disconnect the negative terminal from your vehicle’s battery to prevent any electrical shorts.
- Locate and Remove: Find the old BCM. Carefully disconnect all electrical connectors—they have locking tabs, so don’t force them. Then, unbolt the module from its mounting bracket.
- Install the New Module: Bolt the new, pre-programmed BCM into place. Reconnect all electrical connectors securely, ensuring each one clicks into place.
- Reconnect Power: Reattach the negative battery terminal.
- CRITICAL – System Relearns: This is the most important step. You will need a capable diagnostic scan tool to perform two key procedures:
- Airbag System: Run the ‘Setup SDM Primary Key in BCM’ procedure. This is mandatory to clear the airbag light and ensure the safety system is online.
- Brake System: Some vehicles require a ‘Brake Pedal Position Sensor Calibration’ after BCM replacement. Check if this applies to your model to ensure proper brake light and stability control function.
Guaranteed Fitment for Your GM Vehicle
This single BCM, part number 25934763, is a verified replacement for a massive range of GM vehicles and supersedes dozens of older part numbers. By programming it to your VIN, we ensure it has the correct software for your vehicle’s specific options. It is a confirmed fit for the following models, among many others:
- Cadillac STS (2010), DTS (2006-2011), CTS (2008-2013), SRX (2007-2009), Escalade
- Chevrolet Equinox (2007-2009), Impala (2006-2013), Tahoe, Suburban, Avalanche
- GMC Acadia (2007-2012), Yukon / Yukon XL
- Buick Enclave (2008-2012), Lucerne (2006-2011)
- Chevrolet Express & GMC Savana Vans (Various years/engines)
- Pontiac Torrent (2007-2009), G8 (2008-2009)
- Saturn Outlook (2007-2010), VUE (2008-2010)
- And many more. This module replaces part numbers 15828601, 20815898, 22860591, 25892622, and others listed in the original description.
Ordering this 2010 STS Body Control Module is the first step to restoring your vehicle’s proper function and your peace of mind.
Frequently Asked Questions
How do I provide my VIN for programming?
After you complete your purchase, you will receive an email prompting you for your vehicle’s 17-digit VIN. You can also add it to the ‘notes’ section at checkout. We cannot ship the module until we have your VIN to ensure correct programming.
Is this a simple plug-and-play part?
Yes and no. The module is programmed to be plug-and-play, meaning it will work once installed. However, for full system integration and safety, post-installation procedures like the SDM key setup for the airbags are required using a professional scan tool.
Will this fix my ‘Service Airbag’ light?
If the Body Control Module is the cause of the airbag light, yes. After installing this BCM, you must perform the ‘Setup SDM Primary Key in BCM’ procedure with a scan tool to correctly sync the modules and turn off the light.
Do I need a dealership to install this?
No. Because we pre-program the module, you avoid the need for dealership programming. Any competent independent mechanic or experienced DIYer with the right diagnostic tool for the relearn procedures can install this part.
What if my original part number isn’t 25934763?
This module is a direct replacement for a long list of GM part numbers. Please check the detailed fitment list. As long as your vehicle model and year are listed, this module, once programmed to your VIN, will function correctly.