Restore Full Electrical Control to Your HUMMER H2
As a technician with over two decades of experience, I’ve seen firsthand the chaos a failing Body Control Module (BCM) can cause. It’s the central hub for your vehicle’s comfort and security features, and when it goes bad, you’re left with a frustrating mess of electrical gremlins. From power windows that won’t budge to a security system that randomly immobilizes your truck, the symptoms can be maddening. This isn’t just an inconvenience; it’s a matter of reliability and safety.
This Body Control Module is the definitive solution for your 2008-2009 HUMMER H2. We take the guesswork and dealership hassle out of the equation. Before we ship it, we program the module with the latest GM software, specifically matched to your vehicle’s VIN. This means it arrives at your door ready for installation, saving you hundreds in dealer programming fees and getting your H2 back to its fully functional state quickly and efficiently.
A Technician’s Notebook: The Case of the Confused H2
A customer brought in his ’08 HUMMER H2 last month with a list of bizarre issues. The dome lights would flicker, the radio would cut out, and sometimes the remote keyless entry just wouldn’t respond. He’d already replaced the battery and checked fuses. After hooking up my scan tool, I saw a slew of communication error codes pointing toward the BCM. These modules are notorious for causing these exact kinds of phantom problems due to internal circuit board failures. We installed one of our pre-programmed BCMs, and within an hour, every single issue was resolved. It’s a common failure, but thankfully, it’s a straightforward fix with the right part.
Is Your HUMMER H2 Showing These Electrical Gremlins?
A faulty BCM can manifest in numerous ways. If you’re experiencing any of the following, a failing BCM is the likely culprit:
- ✔ Power windows, mirrors, or door locks operating intermittently or not at all.
- ✔ Interior or exterior lights staying on, flickering, or not turning on.
- ✔ The security system acting up, causing no-start conditions or false alarms.
- ✔ Inaccurate readings on the instrument cluster gauges.
- ✔ Remote Keyless Entry (RKE) system failure.
- ✔ Communication error codes (U-codes) stored in the system.
- ✔ Wipers behaving erratically or not working.
Your Straightforward BCM Installation Guide
Replacing the 2008-2009 HUMMER H2 BCM is a manageable job for a confident DIYer. On the H2, it’s typically located on the left-hand (driver’s side) firewall. Always consult a vehicle-specific repair manual for exact location and torque specs.
- Safety First: Disconnect the negative terminal from your vehicle’s battery to prevent any electrical shorts.
- Locate the BCM: Access the BCM, which is usually found on the driver’s side, attached to the firewall or under the dash.
- Disconnect and Remove: Carefully unplug all electrical connectors. Note their orientation. Then, unbolt the old module from its mounting bracket.
- Install the New Module: Mount your new, pre-programmed BCM in place and securely fasten it. Reconnect all electrical connectors to their correct ports.
- Reconnect Power: Re-attach the negative battery terminal and tighten it securely.
- Perform Final Procedures: After installation, certain relearn procedures are critical. You will need a capable scan tool to perform the ‘Setup SDM Primary Key in BCM’ to clear the airbag light and a ‘Brake Pedal Position Sensor Calibration’ to ensure proper brake light and stability control function.
Verified Fitment Across a Wide Range of GM Vehicles
While this is the correct module for the 2008-2009 HUMMER H2, this versatile BCM also serves as a direct replacement for a vast number of other GM cars, trucks, and vans. It is a direct replacement for part numbers 15921352, 10382479, 15093910, 15819552, 25892622, and many more. Please see the detailed fitment list below to confirm compatibility with your specific vehicle.
This part will fit these makes and models with these options
EQUINOX 07-09 Body Control (BCM); (center dash)
EXPRESS 2500 VAN 10 Body Control (BCM); (center dash), 6.0L
EXPRESS 3500 VAN 08-09 Body Control (BCM); (center dash)
SAVANA 3500 VAN 10 Body Control (BCM); (center dash), 6.6L, VIN 6 (8th digit, opt LMM)
IMPALA 06-12 Body Control (BCM); (LH dash)
ACADIA 07-12 Body Control (BCM); (LH dash)
MONTE CARLO 06-07 Body Control (BCM); (LH steering column)
TAHOE 10 Body Control (BCM); (under steering column), ID 25892622
TRAVERSE 09-12 Body Control (BCM); (LH dash)
DTS 06-11 Body Control (BCM); (RH center dash)
OUTLOOK 07-10 Body Control (BCM); (center dash)
HUMMER H2 08-09 Body Control (BCM); (LH firewall)
…and many more. Please verify your part number from the full list.
Frequently Asked Questions
Do I need to do any programming after I receive the module?
No, the main programming is done by us before shipping. However, after installation, you MUST perform a ‘Setup SDM Primary Key in BCM’ and potentially a ‘Brake Pedal Position Sensor Calibration’ using a professional scan tool to sync the BCM with your vehicle’s other systems and clear any related warning lights.
How do I provide my VIN number?
After you complete your purchase, simply reply to your order confirmation email with your 17-digit Vehicle Identification Number (VIN). We cannot program and ship your module without it.
What exactly does a Body Control Module do?
The BCM is a computer that manages the electronic systems in the vehicle’s body. This includes power windows, locks, lights, wipers, security system, and instrument cluster functions. It’s essential for modern vehicle operation.
Is this a brand new part?
This is a high-quality, tested, and verified recycled OEM part. Each unit is inspected and then programmed with the latest official GM software for your specific vehicle, ensuring OEM performance and reliability without the new-part price tag.
Will this fix my ‘Service 4WD’ message?
While the BCM communicates with many systems, a ‘Service 4WD’ message is more commonly related to the Transfer Case Control Module (TCCM) or sensors in the 4WD system. It’s best to get a proper diagnosis with a scan tool to confirm the source of the fault before ordering.