Is your Hummer H2 experiencing bizarre electrical issues? You’re not alone.
The Body Control Module, or BCM, is the central command for your vehicle’s body electronics. When it begins to fail in a 2003-2007 Hummer H2, it can cause a cascade of frustrating problems, from flickering lights to a complete no-start condition. This genuine OEM-quality Body Control Module, part number 15136225, is the definitive solution to restore your vehicle’s functionality and peace of mind.
We take the guesswork out of the repair. Each module is expertly programmed to your vehicle’s specific VIN before shipping. This means no expensive trips to the dealership for coding—it arrives ready for a true plug-and-play installation. Simply install the module, and watch as your vehicle’s electronic systems come back to life.
From the Diagnostic Bay
We had a 2005 Hummer H2 come into the shop that was a real head-scratcher for the owner. The radio would turn on by itself, the power locks worked intermittently, and the security light would stay on, preventing it from starting. After checking the basics like battery and grounds, all diagnostic paths led to a faulty BCM. We installed a VIN-programmed unit just like this one, and in under 15 minutes, every single issue was resolved. The owner was thrilled to have his truck back without a complicated and expensive dealer visit.
Symptoms of a Failing Hummer H2 Body Control Module
If you’re experiencing any of the following, a faulty BCM is the likely culprit:
- ✔ Power windows, door locks, or mirrors not working correctly.
- ✔ Interior or exterior lights behaving erratically or not turning on at all.
- ✔ HVAC and climate control functions are unresponsive or intermittent.
- ✔ The security system is malfunctioning, causing no-start or alarm issues.
- ✔ The airbag warning light is illuminated on the dash (often with DTC B1001).
- ✔ Unexplained battery drain when the vehicle is off.
Product Features & Benefits
- ✔ Restores Full Functionality: Corrects common electrical failures and clears related Diagnostic Trouble Codes (DTCs).
- ✔ OEM-Standard Quality: Built to meet or exceed original equipment specifications for lasting durability and reliable performance.
- ✔ No Core Charge: Keep your old module without any extra fees or the hassle of a return.
- ✔ Wide Interchangeability: This module is a direct replacement for part numbers 10383536, 15116066, 15136225, 15136877, 15137393, and more.
Installation & Post-Install Notes
Installation is straightforward. The BCM is typically located on the driver’s side, under the dashboard near the steering column. Disconnecting the battery before swapping the modules is recommended. While most installations are seamless, some vehicles may require a ‘Setup SDM Primary Key in BCM’ procedure if the airbag light remains on. This requires a professional scan tool to sync the new BCM with the airbag system. Always consult a factory service manual for your specific vehicle if you are unsure.
Frequently Asked Questions
What does the Body Control Module do on a 2003-2007 Hummer H2?
The Hummer H2 Body Control Module acts as the brain for non-engine electronics, managing power windows, locks, lights, the security system, wipers, and HVAC controls.
Is this part ready to install when I receive it?
Yes! We program the module to your vehicle’s VIN before it ships, making it a true plug-and-play part. No additional programming is required.
How do I know for sure that my BCM is bad?
While the symptoms listed are strong indicators, a professional diagnosis with a high-end scan tool that can communicate with the BCM is the best way to confirm the failure. Common DTCs include B1001 and other ‘U’ or ‘B’ codes.
Where is the BCM located on my Hummer H2?
On the 2003-2007 Hummer H2, the BCM is located on the left-hand (driver’s) side of the dashboard, typically behind the lower dash panel.
Do I need to send my old part back?
No. We do not require a core return for this part, so you can keep your original module without any core charge or hassle.
What if my airbag light is on after I install the new BCM?
If the airbag light appears, the vehicle may require an ‘SDM Key Relearn’ procedure. This syncs the new BCM with the airbag system and must be performed with a professional-grade diagnostic tool.