Restore Full Functionality to Your HUMMER H2
Is your 2003-2007 HUMMER H2 suffering from baffling electrical problems? Flickering lights, unresponsive power windows, or a dead HVAC system can point directly to a failing Body Control Module (BCM). As the central command for your vehicle’s body electronics, a faulty BCM can create a cascade of frustrating issues. This replacement BCM, part number 15137393, is the definitive solution to get your iconic H2 running reliably again. We take the guesswork and dealer expense out of the equation with our professional cloning service, delivering a part that is truly plug-and-play.
What is BCM Cloning and Why Do You Need It?
Unlike standard pre-programmed modules that require expensive dealership tools for final setup, our cloning service makes this repair accessible to any DIY enthusiast or independent shop. You simply send us your original BCM, and we perform a full data transfer to this replacement unit. This process copies all your H2’s unique informationāincluding security settings, key fob data, and vehicle options (RPOs). The result is a module that is a perfect electronic match for your vehicle, requiring no further programming. This is the most reliable way to ensure a seamless installation and avoid common post-replacement headaches.
A Technician’s Notebook: The Ghost in the Machine
I once had a 2005 Hummer H2 in my bay that was driving the owner crazy. The radio would turn on and off, the driver’s side window worked intermittently, and the security light would flash, sometimes causing a no-start condition. The owner had already replaced the window switch and checked fuses. After connecting my scan tool, I saw a dozen communication codes pointing in different directions. From over 20 years of experience, I know these ‘ghosts’ are almost always a sign of a failing BCM. The internal logic board develops micro-fractures or grounding issues, causing it to send corrupt data across the vehicle’s network. By replacing the BCM with a cloned unit, we solved all issues in one shot, saving the customer hundreds in unnecessary diagnostic time and parts.
Is Your H2 Showing These Electrical Gremlins?
- ā The HVAC blower motor works intermittently or not at all.
- ā Your airbag warning light is on, often with a DTC like B1001 (Option Configuration Error).
- ā Power windows, door locks, or interior lights behave erratically or have stopped working completely.
- ā The factory security system malfunctions, leading to a no-start or crank-no-start situation.
- ā Gauges on the instrument cluster drop out or give false readings.
- ā A scan tool reveals multiple communication (U-codes) or body-related (B-codes) diagnostic trouble codes.
Your Straightforward H2 BCM Installation Guide
- ā Send Us Your Original BCM: After purchase, you will receive instructions on how to ship your original module to us for the cloning service.
- ā Safety First: Once you receive the cloned module back, begin by disconnecting the negative terminal on your vehicle’s battery to prevent electrical shorts.
- ā Locate the Module: In the 2003-2007 HUMMER H2, the BCM is located on the left-hand (driver’s) side of the dash, typically behind the lower dash panel near the steering column.
- ā Swap the Connectors: Carefully disconnect the electrical connectors from the old BCM and remove it from its mounting bracket. Install the new, cloned BCM and securely re-attach all connectors.
- ā Power Up: Reconnect the negative battery terminal.
- ā Test All Functions: Start your H2 and systematically check all body functions: lights, wipers, windows, locks, HVAC, and radio to confirm the repair was successful.
Post-Installation Procedures & Notes
While our cloning service eliminates the need for programming, some vehicle systems may require a relearn or sync procedure after the BCM has been replaced. This is a normal part of the repair process. Please note the following:
- Airbag System Sync: If the airbag light remains on after installation, a technician will need to use a professional scan tool to perform the “Setup SDM Primary Key in BCM” procedure. This syncs the airbag system with the new BCM.
- Brake Pedal Position Relearn: On some models, a brake pedal position sensor recalibration may be needed to ensure proper operation of the brake lights and traction control system.
- No Core Charge: We always return your original module along with the cloned replacement. There is no core charge or need to send it back again.
Verified Fitment For Your HUMMER and More
This BCM is a direct-fit, cloned replacement for the 2003-2007 HUMMER H2 BCM. It is also interchangeable with part numbers 10383536, 15116066, 15136225, 15136877, 15137394, 15198116, and others, fitting a wide range of GM trucks and SUVs, including:
- Cadillac Escalade, ESV, EXT (2003-2006)
- Chevrolet Avalanche, Silverado, Suburban, Tahoe (2003-2007 Classic)
- GMC Sierra, Yukon, Yukon XL (2003-2007 Classic)
- Chevrolet Express & GMC Savana Vans (2004-2007)
Frequently Asked Questions
What is a BCM cloning service?
Cloning is a service where we transfer the complete software and vehicle-specific data (like key programming and options) from your original BCM to the replacement unit. This makes the new module a perfect electronic match for your HUMMER H2, eliminating the need for expensive dealership programming.
Do I need to program this module at the dealer after installation?
No. Our cloning service makes this a true plug-and-play solution. Once installed, it will function immediately without any additional programming or setup, saving you time and money.
What happens to my old BCM?
Your original module is always returned to you along with the programmed replacement unit. We do not keep the core, and there is no core charge associated with this purchase.
Why is my airbag light on after installing the new BCM?
This can happen because the airbag system (SDM) needs to be electronically ‘re-introduced’ to the new BCM. A professional scan tool is required to perform the ‘Setup SDM Primary Key in BCM’ procedure to sync the modules and turn off the light.
Where is the BCM located on my 2004 Hummer H2?
The Body Control Module on 2003-2007 HUMMER H2 models is found on the driver’s side, behind the lower dashboard panel to the left of the steering column.
Will this fix my H2’s security system and no-start problem?
Yes, a failing BCM is a very common cause of security system malfunctions and no-start conditions in these vehicles. Because our cloning service transfers your security data, this module is an effective solution for those specific issues.