Restore Command of Your Hummer H2’s Electronics
If you’re dealing with bizarre electrical issues in your 2008-2009 Hummer H2—like power windows with a mind of their own, flickering interior lights, or a security system that randomly engages—you’re likely facing a failing Body Control Module (BCM). As the central command center for your vehicle’s body electronics, a faulty BCM can cause a cascade of frustrating and unpredictable problems. This isn’t just an annoyance; it’s a matter of reliability. Get a dependable, plug-and-play solution with this professionally prepared BCM.
We take the guesswork and dealership hassle out of the equation. Before this module ships, we program it with the latest GM software updates, specifically matched to your Hummer’s VIN. This ensures that when it arrives, it’s ready to integrate seamlessly with your vehicle’s existing systems. You get a direct-fit replacement that restores function without the need for expensive dealer-only programming tools. This is the straightforward fix you’ve been looking for to get your H2 back to factory-spec operation.
A Technician’s Notebook: The Phantom Drain Mystery
I had a 2008 Hummer H2 in my bay that was a classic BCM failure case. The owner complained of a dead battery every few days and said the radio would sometimes stay on after he’d locked the doors. We checked for a parasitic draw and found a significant one. After isolating circuits, we traced it back to the BCM not properly putting all the accessory circuits to ‘sleep’. Instead of a complex wiring repair, the solution was a new, correctly programmed BCM. This replacement 2008-2009 Hummer H2 BCM solved the battery drain and the erratic radio behavior instantly. It’s a common failure point I’ve seen dozens of times.
Is Your Hummer H2 Showing These Symptoms?
- ✔ Erratic or non-functional power windows, door locks, and mirrors.
- ✔ Interior or exterior lights that stay on, flicker, or don’t work at all.
- ✔ The security system or horn activates without reason.
- ✔ Inaccurate gauge readings or warning lights on the instrument cluster.
- ✔ Communication error codes, particularly U-codes like U0140, indicating a loss of communication with the BCM.
- ✔ A no-start condition where the engine cranks but won’t fire up due to security system confusion.
A Straightforward Guide to Your BCM Installation
- ✔ Safety First: Always disconnect the negative terminal from your vehicle’s battery before starting any electrical work.
- ✔ Locate the BCM: On the 2008-2009 Hummer H2, the Body Control Module is typically found on the left-hand (driver’s side) firewall area, inside the cabin.
- ✔ Disconnect and Remove: Carefully unplug the electrical connectors. Note their orientation. They are designed to only fit one way. Once disconnected, unbolt the old module from its mounting bracket.
- ✔ Install the New Module: Mount your new, pre-programmed BCM in place of the old one. Reconnect all electrical connectors firmly until they click into place.
- ✔ Power Up: Reconnect the negative battery terminal. Turn the key to the ‘On’ position (without starting the engine) and test all body functions—windows, locks, lights, etc.
Important Post-Installation Information
While this module is programmed for your VIN, some vehicle systems may require a ‘handshake’ procedure after installation. Please be aware of the following:
- Airbag System Sync: If your airbag warning light is on after installation, a professional scan tool is needed to perform the ‘Setup SDM Primary Key in BCM’ procedure. This syncs the new BCM with your airbag system.
- Brake Pedal Position Relearn: Depending on your H2’s specific options, a brake pedal position sensor relearn may be required to ensure correct brake light and traction control operation.
- No Core Charge: You are not required to return your old BCM. There is no core charge or hassle involved.
Disclaimer: Vehicle systems vary. For detailed procedures specific to your vehicle, always consult a factory service manual or a certified automotive technician.
Verified Vehicle Compatibility
This BCM, part number 95151084, is the correct replacement for the 2008-2009 Hummer H2 BCM. It is also a direct replacement for a wide range of other GM vehicles and supersedes multiple older part numbers, including 15872388, 25892622, and 25934763. Please verify your part number or contact us with your VIN to confirm fitment. Compatible models include:
ACADIA 07-12 Body Control (BCM); (LH dash)
AVALANCHE 1500 10 Body Control (BCM); (under steering column), ID 25892622
CAPRICE 11-13 Body Control (BCM)
CAPTIVA SPORT 12 Body Control (BCM); (center dash)
CTS 08-13 Body Control (BCM); LH dash
DTS 06-11 Body Control (BCM); (RH center dash)
ENCLAVE 08-12 Body Control (BCM); (LH dash)
EQUINOX 07-09 Body Control (BCM); (center dash)
ESCALADE & ESV & EXT 10 Body Control (BCM); (under steering column)
EXPRESS & SAVANA VANS 08-12 Body Control (BCM); (center dash)
G8 08-09 Body Control (BCM); (center dash)
IMPALA 06-13 Body Control (BCM); (LH dash)
LUCERNE 06-11 Body Control (BCM); (right side dash)
MONTE CARLO 06-07 Body Control (BCM); (LH steering column)
OUTLOOK 07-10 Body Control (BCM); (center dash)
SRX 07-09 Body Control (BCM); LH dash
STS 10 Body Control (BCM); center dash
SUBURBAN 1500 10 Body Control (BCM); (under steering column)
TAHOE 10 Body Control (BCM); (under steering column)
TORRENT 07-09 Body Control (BCM); (center dash)
TRAVERSE 09-12 Body Control (BCM); (LH dash)
VUE 08-10 Body Control (BCM); (center dash)
YUKON & YUKON XL 1500 10 Body Control (BCM); (under steering column)
Frequently Asked Questions
Do I need to take this BCM to the dealer for programming?
No. We program the module to your vehicle’s specific VIN before shipping it to you. It arrives ready for installation, saving you time and money.
Is there a core charge for this part?
Absolutely not. You can keep your old module. We do not require a core return, which simplifies the process for you.
What tools are required for the installation?
Basic hand tools for accessing the module (like a socket set and screwdrivers) are all that’s typically needed for the physical swap. In some cases, a professional scan tool may be needed for post-installation relearn procedures like the airbag sync.
How do I provide my VIN for programming?
After you complete your purchase, you will need to send us your 17-digit Vehicle Identification Number (VIN). We cannot program and ship your BCM without it.
Will this fix my ‘Service Security System’ message?
A faulty BCM is a very common cause of false security alerts and messages. While other issues can cause this, replacing a known bad BCM often resolves these problems and restores proper function.