Is Your 2010 Avalanche Plagued by Bizarre Electrical Gremlins?
If your truck’s dashboard is lighting up unexpectedly, your power windows have a mind of their own, or you’re facing intermittent no-start conditions, the culprit is often a failing Body Control Module (BCM). As the central nervous system for your vehicle’s body electronics, a faulty BCM can cause a cascade of frustrating and seemingly unrelated problems. In my 20+ years as a diagnostician, I’ve seen these modules cause headaches that send owners on expensive wild goose chases, replacing batteries and alternators unnecessarily.
Common Symptoms of a Failing GM BCM:
- โ Erratic instrument cluster behavior (flickering lights, dead gauges)
- โ Power windows, door locks, or interior lights not working correctly
- โ Security system faults or the vehicle refusing to start
- โ Radio or infotainment system randomly shutting off
- โ False warning messages on the driver information center (DIC)
- โ Communication error codes with other modules (U-codes)
The Direct-Fit Solution: A Pre-Programmed 2010 Avalanche 1500 BCM
Skip the dealership hassle and high costs. This Body Control Module, part number 25826125, is the definitive solution for your 2010 Avalanche 1500 BCM issues. We take the complexity out of the repair by pre-programming the unit to your truck’s specific Vehicle Identification Number (VIN) before it ever leaves our facility. We flash it with the latest, most stable software updates from GM, ensuring optimal performance and compatibility right out of the box. This isn’t just a replacement part; it’s a fully prepared, plug-and-play solution.
Real-World Diagnosis: From the Shop Floor
“A customer’s 2010 Tahoe came in last week with these exact symptomsโthe radio was cutting out and the security light would stay on, preventing it from starting. He’d already replaced the battery. After checking the main power and ground circuits, my scan tool showed a loss of communication with the BCM. We swapped in a VIN-programmed module just like this one. The entire job, including the security relearn, took less than 45 minutes. It’s a common failure, and having a pre-programmed unit is the fastest way to a reliable fix.”
Easy Installation to Get You Back on the Road
Installing your new BCM is straightforward for a DIYer with basic tools. For the 2010 Avalanche 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 before starting any electrical work.
- Locate the BCM: Find the module under the driver’s side dash. You may need to remove a lower dash panel for access.
- Disconnect Connectors: Carefully unplug all electrical connectors from the old BCM. They have locking tabs, so don’t force them.
- Swap the Module: Unbolt or unclip the old BCM and remove it. Mount your new, pre-programmed module in its place.
- Reconnect Everything: Plug all connectors firmly back into the new BCM. Re-install any trim panels you removed.
- Power Up: Reconnect the negative battery terminal.
CRITICAL: Post-Installation Procedures
Because this module communicates with critical safety systems, a couple of final steps with a capable bi-directional scan tool are necessary to ensure full functionality. This is not optional.
- Airbag System (SRS): To clear the airbag warning light, you must perform the ‘Setup SDM Primary Key in BCM’ procedure. This re-establishes the security handshake between the new BCM and the airbag module.
- Brake System: Some vehicles require a ‘Brake Pedal Position Sensor Relearn’ after BCM replacement to ensure the brake lights and stability control systems function correctly.
Guaranteed Compatibility
This module is a direct replacement for a wide range of GM vehicles. Simply provide your VIN at checkout, and we’ll handle the rest. This part is guaranteed to be the correct, programmed replacement for the following part numbers and vehicles.
This BCM 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
Confirmed Vehicle Fitment (Partial List):
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, EXPRESS VANS 08-12, G8 08-09, HUMMER H2 08-09, IMPALA 06-13, LUCERNE 06-11, MONTE CARLO 06-07, OUTLOOK 07-10, SAVANA VANS 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, and more. Please verify your part number or contact us with your VIN.