Restore Your GM Truck’s Electrical System with a Plug-and-Play Solution
If you’re dealing with frustrating and unpredictable electrical issues in your 2010 GMC Yukon or another compatible GM vehicle, a failing Body Control Module (BCM) is often the culprit. As a technician with over two decades of experience, I’ve seen firsthand how a bad BCM can cause chaos—from flickering lights and a constantly dead battery to power windows that have a mind of their own. This isn’t just an annoyance; it can be a serious safety concern. The BCM acts as the central nervous system for your vehicle’s body electronics, and when it fails, the symptoms can be widespread and confusing.
We make the repair process straightforward. This isn’t just a replacement part; it’s a complete solution. We pre-program this Body Control Module with the latest GM software updates, specifically flashed to your vehicle’s unique VIN. This means you can skip the expensive trip to the dealership and the hassle of finding a shop with the right programming tools. Simply provide your VIN at checkout, and we’ll ship a module that’s ready for installation, saving you significant time and money.
A Technician’s Notebook: The Case of the Phantom Battery Drain
A customer brought in their 2010 Yukon, completely frustrated. Every few days, the battery would be dead for no apparent reason. They had already replaced the battery and the alternator, but the problem persisted. After connecting my diagnostic scanner, I ran a parasitic draw test and found a significant power drain even when the truck was off. Instead of painstakingly pulling fuses one by one, I went straight to the BCM data stream. I noticed the BCM wasn’t letting certain accessory circuits go to ‘sleep’ after the key was turned off. It was keeping things powered on internally, slowly draining the battery overnight. Swapping in a new, correctly programmed BCM solved the issue instantly. This is a classic failure mode I’ve seen on hundreds of these GM platforms.
Is Your Vehicle Showing These Symptoms?
- ✔ Intermittent or non-working power windows, door locks, or mirrors.
- ✔ Interior or exterior lights flickering, staying on, or not working at all.
- ✔ The security system acting erratically or preventing the vehicle from starting.
- ✔ Unexplained battery drain that leaves you with a dead battery.
- ✔ Dashboard warning lights appearing randomly.
- ✔ Horn honking unexpectedly or not working when pressed.
Your Straightforward BCM Installation Guide
Replacing the BCM in your 2010 Yukon is a manageable job for a DIYer. The module is typically located under the driver’s side dashboard, near the steering column.
- Safety First: Always disconnect the negative terminal from your vehicle’s battery before starting any electrical work. Wait a few minutes to allow all systems to power down.
- Locate the BCM: On your Yukon, look under the dashboard to the left of the steering column. You may need to remove a lower dash panel for access.
- Disconnect the Connectors: Carefully unplug the multiple wiring harnesses connected to the old BCM. Each connector has a locking tab that must be pressed or lifted to release it. Do not force them.
- Remove the Old Module: The BCM is usually held in place by a few bolts or clips. Remove the fasteners and take out the old module.
- Install the New Module: Seat your new, pre-programmed BCM into the mounting bracket and secure it with the original fasteners.
- Reconnect Everything: Plug all the wiring harnesses back into their correct ports on the new BCM. They are often color-coded or shaped to only fit in the correct location. Reconnect your vehicle’s battery.
Important Final Steps for Full Functionality
After your new BCM is physically installed, a few final configuration steps are necessary to ensure all vehicle systems operate correctly. These procedures sync the new module with other critical components in your vehicle.
- Airbag System Reset: To clear the airbag warning light, a ‘Setup SDM Primary Key in BCM’ procedure must be performed with a compatible high-level diagnostic tool. This ensures the new BCM can communicate correctly with the airbag system’s Sensing and Diagnostic Module (SDM).
- Brake Pedal Position Sensor Relearn: Some vehicles require a recalibration of the brake pedal position sensor after a BCM replacement. This is crucial for the proper function of the anti-lock brakes (ABS) and traction control systems.
Note: While this module is pre-flashed, these specific relearn procedures are required on-vehicle. If you are not equipped to perform these steps, a professional technician can complete them for you.
Verified Vehicle Compatibility
This Body Control Module is a direct replacement for a wide range of General Motors vehicles. Please verify your part number or vehicle model in the list below to ensure proper fitment. This unit replaces 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.
Fits Models Including:
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 10, ESCALADE ESV 10, ESCALADE 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 10, YUKON XL 1500 10.
Frequently Asked Questions
What exactly is a Body Control Module (BCM)?
The BCM is a computer in your vehicle that controls and monitors most of the non-engine related electronic accessories. This includes power windows, locks, interior and exterior lighting, wipers, the security system, and more.
Why do I need to provide my VIN number?
Your Vehicle Identification Number (VIN) allows us to program the BCM with the specific software and settings for your vehicle’s exact configuration. This ensures all features work correctly and makes the installation process much simpler for you.
Is this a difficult part to install myself?
For someone with basic mechanical skills, the physical installation is very manageable. It involves removing a dash panel and swapping the module. The most important part is having access to a diagnostic tool for the final relearn procedures, or having a local shop perform them for you.
What happens if I don’t perform the airbag and brake relearn procedures?
If the ‘Setup SDM Primary Key’ procedure is not done, your airbag warning light will likely stay on, and the system may not function correctly in an accident. Skipping the brake sensor relearn can cause issues with ABS and traction control. These steps are critical for safety.
Will this fix my ‘Check Engine’ light?
Generally, no. The BCM controls body electronics, while the ‘Check Engine’ light is typically related to the Engine Control Module (ECM) or Powertrain Control Module (PCM), which manage engine and transmission functions. If your primary issue is a Check Engine light, you may need a different module.