Restore Full Control and End Electrical Gremlins in Your GM Vehicle
Are you battling bizarre electrical issues in your 2010 Suburban 1500? Flickering lights, malfunctioning power windows or door locks, a security system that acts up, or strange warning messages on your dash are classic signs of a failing Body Control Module (BCM). The BCM is the central command center for your vehicle’s body electronics, and when it starts to fail, it can cause a cascade of frustrating and seemingly unrelated problems. This isn’t just an inconvenience; it can affect your vehicle’s safety and security.
This is a direct-fit replacement Body Control Module, part number 25826125, that arrives at your door ready for installation. We utilize a professional Cloning Service, where we transfer the precise data from your original BCM to this replacement unit. This process ensures that all your vehicle’s specific options and security information are perfectly matched, eliminating the need for an expensive trip to the dealership for programming. Simply provide your Vehicle Identification Number (VIN) after purchase, and we handle the rest.
From the Diagnostic Bay: The Case of the Haunted Tahoe
A customer brought in a 2010 Tahoe—a close cousin to the Suburban—with a list of symptoms that sounded like something out of a ghost story. The radio would change stations on its own, the dome lights would flicker while driving, and occasionally, the power locks would cycle repeatedly after shutting the engine off. They had already replaced the battery and checked all the fuses. After connecting my diagnostic scanner, I saw multiple U-series (communication) error codes, pointing to a network problem. In my 20+ years of experience, these widespread, chaotic electrical faults almost always point back to one component: the BCM. We performed a cloning service on a replacement module, and the installation took less than 30 minutes. All the ghostly issues vanished instantly. This is a common failure, and this programmed module is the most effective fix.
Common Signs of a Failing BCM
If you’re experiencing any of the following, a faulty BCM is the likely cause. Replacing it can restore your vehicle’s proper function and your peace of mind.
- ✔ Erratic or non-functional power windows, door locks, or mirrors.
- ✔ Interior or exterior lights that stay on, flicker, or don’t work at all.
- ✔ The security system or keyless entry failing to operate correctly.
- ✔ Instrument cluster warning lights (like the airbag or security light) illuminating for no reason.
- ✔ Communication error codes, particularly U-codes (e.g., U0140, U0155) stored in the system.
- ✔ Wipers or horn activating unexpectedly.
Your Straightforward BCM Installation Guide
Installing your programmed BCM is a manageable job for a confident DIYer. On a 2010 Suburban 1500, the BCM is typically located under the driver’s side of the dashboard, near the steering column.
- 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 Old BCM: Remove the lower dash panel beneath the steering wheel to gain access. You’ll see a module with several large electrical connectors.
- Swap the Modules: Carefully disconnect all electrical connectors from the old BCM. The connectors have release tabs that must be pressed. Unbolt or unclip the old module from its mounting bracket and remove it.
- Install the New BCM: Mount your new, programmed BCM in the same location and securely reconnect all the electrical connectors. You should hear a ‘click’ as they lock into place.
- Power Up: Reinstall the dash panel and reconnect the negative battery terminal. Your vehicle is now ready to start.
Important Post-Installation Notes
Our cloning service makes this process as simple as possible, but due to the complexity of modern vehicle systems, a couple of follow-up procedures may be necessary in some cases.
- Airbag System Sync: If the airbag warning light is on after installation, a simple ‘Setup SDM Primary Key in BCM’ procedure is needed. This syncs the new BCM with the airbag system and can be done with a professional-grade scan tool.
- Brake Pedal Position Relearn: Some models may require a brake pedal position sensor relearn to ensure brake lights and traction control function correctly. This is also performed with a scan tool.
Disclaimer: Vehicle systems vary. Always refer to a factory service manual or consult a certified technician if you are unsure about any step.
Verified Vehicle Compatibility List
This Body Control Module is a direct replacement for a wide range of GM vehicles and interchanges with numerous part numbers. Please verify your vehicle is on this list. This unit replaces 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.
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 1500 VAN 08-12
EXPRESS 2500 VAN 08-12
EXPRESS 3500 VAN 08-12
G8 08-09
HUMMER H2 08-09
IMPALA 06-13
LUCERNE 06-11
MONTE CARLO 06-07
OUTLOOK 07-10
SAVANA 1500 VAN 08-12
SAVANA 2500 VAN 08-12
SAVANA 3500 VAN 08-12
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
Frequently Asked Questions
What exactly does the BCM do?
The Body Control Module acts as the main computer for your vehicle’s non-engine related functions. It controls features like power windows, locks, interior/exterior lighting, security system, wipers, and more, ensuring all your comfort and convenience features work as they should.
Why is your cloning service better than just buying a used BCM?
A standard used BCM from another vehicle will not work correctly because it contains the other vehicle’s VIN and options data. Our cloning service transfers your vehicle’s exact information to the replacement module, making it a true plug-and-play solution that avoids anti-theft issues and the need for dealer programming.
Do I need any special tools to install this?
For most installations, you will only need basic hand tools like a socket set and screwdrivers to remove the lower dash panel. No programming tools are required. However, a professional scan tool may be needed for post-installation procedures like the airbag sync, if required.
What happens to my old BCM?
After we clone the data, your original module is always returned to you along with the programmed replacement unit. We do not keep your original part.
Is this a guaranteed fix for my problem?
If your vehicle is exhibiting multiple, strange electrical symptoms as described, the BCM is the most common cause. This programmed module is the correct and reliable solution for a failed BCM. Proper diagnosis is always recommended to confirm the BCM is the point of failure.