2008-2009 HUMMER H2 BCM 25892622 Programmed to Your VIN

Is Your HUMMER H2 Experiencing Bizarre Electrical Problems?

If your 2008 or 2009 HUMMER H2 is acting possessed—with flickering dash lights, power windows with a mind of their own, a security system that won’t cooperate, or even a frustrating no-start condition—the Body Control Module (BCM) is the likely culprit. As the central computer for your truck’s comfort and convenience features, when the BCM fails, it can create a cascade of confusing and annoying issues.

In my 20+ years as a diagnostic technician, I’ve seen this exact scenario play out countless times. A customer’s 2008 H2 came into my shop last month with intermittent power lock failure and a radio that would randomly shut off. After checking the basics, we found the original BCM was failing internally due to heat cycles and age. This isn’t just an inconvenience; a faulty BCM can leave you stranded.

The Direct Solution: A Programmed 2008-2009 HUMMER H2 BCM

Don’t let electrical gremlins ruin your driving experience. This Body Control Module is the reliable, straightforward solution to restore your H2’s functionality. We take the guesswork and dealership hassle out of the equation. Simply provide us with your vehicle’s VIN during checkout, and our experts will program the module with the latest GM software specific to your H2. It arrives at your door ready for installation.

• ✔ VIN Programmed: Arrives ready to install with no need for expensive dealership programming.
• ✔ Fixes Common Issues: Solves problems like erratic lights, non-functional power accessories, and security system faults.
• ✔ Latest GM Software: Flashed with the most current updates for optimal performance and reliability.
• ✔ Direct-Fit Replacement: Engineered to be a perfect match for the original module, ensuring a smooth installation.

Expert Pro Tip: Before installing your new BCM, take a moment to inspect the cowl and windshield seals directly above the module’s location on the driver-side firewall. Water intrusion is a leading cause of BCM failure on these H2 models. A quick check for dampness or water trails in that area can prevent you from having to do this repair again down the road.

Simple Installation Process

1. Safety First: Disconnect the negative terminal from your vehicle’s battery.
2. Locate the BCM: On the 2008-2009 HUMMER H2, the BCM is located on the driver’s side (LH) firewall, inside the cabin.
3. Disconnect and Remove: Carefully unplug the electrical connectors and unbolt the old module from its mounting bracket.
4. Install New BCM: Mount the new, pre-programmed BCM and securely reconnect all electrical harnesses.
5. Reconnect Battery: Re-attach the negative battery terminal.
6. Perform Final Steps: Follow the critical post-installation procedures outlined below.

CRITICAL: Post-Installation Procedures Required

To ensure full functionality and safety, certain relearn procedures must be performed with a compatible high-level diagnostic scan tool after installation. This is not optional and is required for the systems to work correctly.

• Airbag System (SRS): You must perform the ‘Setup SDM Primary Key in BCM’ procedure. Failure to do so will result in a persistent airbag warning light on your dash.
• Brake System: Some vehicles may require a ‘Brake Pedal Position Sensor Calibration’ to ensure the brake lights and stability control systems function correctly.

Note: If you are not familiar with these procedures or do not have access to the necessary diagnostic equipment, we strongly recommend seeking assistance from a qualified professional technician.

Compatible Part Numbers:

This module is a direct replacement for 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.

Vehicle Fitment:

This BCM fits a wide range of GM vehicles, including but not limited to the HUMMER H2, Chevrolet Tahoe, Suburban, Express, GMC Yukon, Savana, Cadillac Escalade, and more. Please verify your part number to ensure compatibility.