Is your 2008 or 2009 HUMMER H2 experiencing a host of bizarre electrical problems? From flickering lights and malfunctioning power windows to a security system that has a mind of its own, these are classic signs of a failing Body Control Module (BCM). The BCM is the central nervous system for your vehicle’s body electronics, and when it starts to fail, it can make your rugged H2 feel unreliable. Restore order and full functionality with our pre-programmed BCM, designed as a direct-fit, hassle-free solution.
From the Diagnostic Bay
We had a 2009 H2 roll into the shop that the owner described as ‘haunted.’ The dome lights would stay on, the radio would randomly change stations, and the power locks would cycle while driving. He had already replaced the battery and checked all the fuses. After connecting our diagnostic scanner, we saw multiple communication errors pointing directly to the BCM. Instead of a complicated and expensive trip to the dealer, we installed one of our VIN-programmed modules. The electrical gremlins vanished instantly, and the H2 was back to its reliable, commanding self in under an hour. It’s a common story for these vehicles, and a new BCM is often the simple, effective fix.
Common Symptoms of a Failing H2 BCM
- ✔ Erratic or non-functional interior and exterior lights.
- ✔ Power windows, door locks, or mirrors working intermittently or not at all.
- ✔ The security system or keyless entry failing to operate correctly.
- ✔ Warning lights appearing on the dash for no apparent reason (e.g., ABS, Airbag).
- ✔ Radio or infotainment system malfunctions.
- ✔ A ‘No Communication’ error when scanning with a diagnostic tool.
The Simple Solution: A VIN-Programmed Module
Don’t let a faulty computer sideline your vehicle. This isn’t just a replacement part; it’s a complete solution. We take the guesswork and extra expense out of the repair. When you order, you provide us with your H2’s Vehicle Identification Number (VIN). Our technicians then program the module with the latest GM-certified software specific to your vehicle’s configuration. This means the 2008-2009 HUMMER H2 BCM arrives at your door ready to be installed, with no need for a trip to the dealership for expensive programming.
Post-Installation Steps
While this module is designed for straightforward installation, some vehicle systems may require a ‘handshake’ with the new BCM. Please be aware of the following potential procedures:
- Airbag System Sync: If the airbag warning light is illuminated after installation, a professional scan tool is needed to perform the ‘Setup SDM Primary Key in BCM’ procedure. This syncs the new BCM with the airbag system.
- Brake Pedal Position Relearn: On some models, a brake pedal position sensor recalibration might be necessary to ensure proper brake light and traction control operation.
Always consult a factory service manual or a qualified technician if you are unsure about any part of the installation process.
Guaranteed Fitment & Part Number Compatibility
This BCM is a direct replacement for a wide range of original equipment part numbers, ensuring broad compatibility. It will fit your 2008-2009 HUMMER H2 (located on the LH firewall) and is a 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, and 95151084.
Frequently Asked Questions
What does the Body Control Module do on my HUMMER H2?
The BCM acts as the central computer for your vehicle’s body electronics. It controls non-engine related functions like power windows, locks, lights, security system, wipers, and the radio.
Do I need to program this BCM?
No. We program the module for you using your vehicle’s VIN before we ship it. It arrives ready for installation, saving you a trip to the dealer.
Where is the BCM located on a 2008-2009 HUMMER H2?
The BCM is located on the driver’s side of the vehicle, mounted to the left-hand (LH) firewall in the interior cabin.
What if my airbag light comes on after I install the new BCM?
This is a normal security measure. The new BCM needs to be electronically introduced to the airbag system. A technician with a professional diagnostic tool will need to perform the ‘Setup SDM Primary Key in BCM’ procedure to resolve this.
Is there a core charge for my old part?
No, there is no core charge for this part. You can keep your original module.
How do I provide my VIN for programming?
After you complete your purchase, you will receive instructions on how to send us your vehicle’s 17-digit VIN. We cannot ship your order until we receive this information.