Is your 2008-2009 Hummer H2 experiencing a host of bizarre electrical problems? From flickering lights and malfunctioning power windows to a vehicle that won’t start, a failing Body Control Module (BCM) is often the culprit. The BCM is the central nervous system for your vehicle’s electronics, and when it fails, it can cause widespread and frustrating issues. This replacement Body Control Module, part number 15819552, is the definitive solution to restore your H2’s functionality and reliability.
We take the guesswork and hassle out of the repair process. Unlike a standard replacement part that requires expensive programming at a dealership, this BCM arrives at your door pre-programmed to your specific vehicle. Simply provide us with your Hummer’s Vehicle Identification Number (VIN) after your purchase, and our technicians will flash the module with the latest GM software updates. This ensures a seamless, plug-and-play installation, getting you back on the road faster.
Common Symptoms of a Failing BCM
- ✔ Erratic or non-functional interior and exterior lights
- ✔ Power windows, door locks, or mirrors not working correctly
- ✔ Malfunctioning radio or instrument cluster displays
- ✔ Security system faults or anti-theft light staying on
- ✔ Intermittent no-start or no-crank conditions
- ✔ False warning lights on the dashboard
- ✔ Inoperative remote keyless entry
Guaranteed Compatibility and Simple Installation
This module is a direct replacement for a wide range of original GM part numbers, ensuring it is the correct component for your vehicle. By programming it to your VIN, we ensure all factory-installed options are recognized and function as intended. While installation is straightforward, some vehicles may require post-install procedures. For example, if your airbag light is illuminated after installation, a professional scan tool is needed to perform the ‘Setup SDM Primary Key in BCM’ procedure. Similarly, a ‘Brake Pedal Position Relearn’ might be necessary. Always consult a factory service manual or a qualified technician for guidance.
This module is a direct fit for the 2008-2009 Hummer H2 BCM and is also compatible with a vast array of other GM vehicles, replacing part numbers such as 10382479, 15093910, 15276271, 25892622, and many more listed in the fitment guide.
Frequently Asked Questions
Do I need to program this BCM?
No. We handle all the programming for you before shipment. Just provide your vehicle’s VIN during checkout or by messaging us, and the module will arrive ready for installation.
Where is the BCM located on my 2008-2009 Hummer H2?
The Body Control Module on the 2008-2009 Hummer H2 is typically located on the left-hand (driver’s side) of the firewall, inside the cabin.
What if my airbag light comes on after I install the new BCM?
If the airbag warning light is on, the vehicle’s computer systems need to be re-synced. This requires a ‘Setup SDM Primary Key in BCM’ procedure, which must be performed by a professional technician with a high-level diagnostic tool.
Do I need to send my old part back?
No, there is no core charge for this part. You can keep your original module.
Will this fix my specific electrical problem?
This BCM will correct issues directly caused by a faulty module. While the symptoms listed are common indicators of BCM failure, we always recommend a proper diagnosis by a qualified mechanic to confirm the BCM is the source of the problem before purchasing.