Restore Full Electrical Control to Your HUMMER H2
Is your 2008-2009 HUMMER H2 acting possessed? Flickering lights, malfunctioning power windows, a security system that won’t cooperate, or strange warning messages on the dash are classic signs of a failing Body Control Module (BCM). As the central nervous system for your vehicle’s electronics, when the BCM goes down, it can cause a cascade of frustrating and seemingly unrelated problems. This isn’t just an annoyance; it can impact vehicle security and the proper function of safety-related systems. We offer a reliable, straightforward solution: a replacement BCM with a cloning service that gets your H2 back to factory-spec performance without the exorbitant dealership costs.
A Technician’s Notebook: The H2 with a Mind of Its Own
I remember a 2008 H2 rolling into my bay that had stumped two other shops. The owner complained of intermittent no-starts, the radio turning on and off by itself, and the power locks going wild. There were no engine codes, but the scan tool showed a dozen ‘U’ codes, indicating a massive communication breakdown between modules. After checking the main power and ground circuits, all signs pointed to the BCM. The internal logic had failed, causing it to flood the vehicle’s data network with corrupt information. By providing a cloned 2008-2009 HUMMER H2 BCM, we transferred the vehicle’s original immobilizer and options data to the new unit. The result? A simple plug-and-play repair that solved every single ghost in the machine. The customer was back on the road in under an hour after receiving the part.
Is Your HUMMER H2 Showing These Symptoms?
A failing BCM can manifest in many ways. If you’re experiencing any of the following, this module is the likely solution:
- ✔ Intermittent or non-functional power windows, door locks, or mirrors.
- ✔ Erratic interior or exterior lighting behavior.
- ✔ The security system light stays on, or the vehicle won’t start due to a security fault.
- ✔ Inaccurate gauge readings on the instrument cluster.
- ✔ Communication error codes (often starting with ‘U’) when scanned, such as U0140, U0155, or U0164.
- ✔ Non-responsive key fob or remote start functions.
How Our Cloning Service Works for You
Forget about costly trips to the dealer for programming. Our process is designed for simplicity and effectiveness. After you place your order, you’ll send us your original BCM. We then perform a professional cloning service, transferring the vital data—like your VIN, key information, and factory-installed options—from your original module to this replacement unit. We then ship both your original module and the ready-to-install replacement back to you. This ensures a seamless, plug-and-play installation with no additional programming required.
A Straightforward Guide to Your H2 BCM Installation
Installing your cloned 2008-2009 HUMMER H2 BCM is a job most DIYers can handle with basic tools. Follow these steps for a successful replacement.
- Safety First: Always disconnect the negative terminal from your vehicle’s battery and wait a few minutes to ensure all systems are powered down.
- Locate the BCM: On the 2008-2009 HUMMER H2, the Body Control Module is typically located on the driver’s side, attached to the firewall or up under the dashboard near the steering column.
- Remove Connectors: Carefully unplug the electrical connectors from the old BCM. They have locking tabs that need to be depressed or lifted. Do not force them.
- Swap the Modules: Unbolt the old BCM from its mounting bracket. Secure the new, cloned BCM in the same position.
- Reconnect and Power Up: Plug the electrical connectors firmly into the new module. Reconnect the negative battery terminal.
- Final Checks: Start the vehicle and test all body functions: windows, locks, lights, wipers, and radio to confirm the repair was successful.
Important Post-Installation Notes
While our cloning service makes this a plug-and-play process, some GM vehicles may require a simple relearn procedure to sync all systems perfectly. Please be aware of the following possibilities:
- Airbag System Sync: If your airbag warning light is illuminated after installation, a ‘Setup SDM Primary Key in BCM’ procedure may be needed. This requires a professional-grade scan tool to sync the airbag module with the new BCM.
- Brake Pedal Position Relearn: On some models, a brake pedal position sensor relearn might be necessary to ensure correct brake light operation and to prevent issues with the traction control system.
Disclaimer: Vehicle systems can vary. We always recommend consulting a factory service manual or a certified technician if you are unsure about any step.
Verified Compatibility Across GM Platforms
This BCM is a direct fit for a wide range of General Motors vehicles. Please verify your part number is on this list. This module is compatible with part numbers: 10382479, 15093910, 15276271, 15299986, 15819552, 15828601, 15837419, 15872388, 15872421, 15880684, 15921352, 15921353, 15948438, 15948439, 20815898, 20839063, 20864767, 20864768, 20921435, 20921436, 20935349, 22860591, 25826124, 25826125, 25847588, 25847589, 25892622, 25910474, 25934762, 25934763, and 95151084. It fits the following models:
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), ID 20921435, 20921436, 22860591
CTS 08 Body Control (BCM); RH 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 10 Body Control (BCM); (under steering column), ID 20815898, 25892622
ESCALADE ESV 10 Body Control (BCM); (under steering column), ID 20815898, 25892622
ESCALADE EXT 10 Body Control (BCM); (under steering column), ID 25892622
EXPRESS 1500 VAN 08-12 Body Control (BCM); (center dash)
EXPRESS 2500 VAN 08-12 Body Control (BCM)
EXPRESS 3500 VAN 08-12 Body Control (BCM)
G8 08-09 Body Control (BCM); (center dash)
HUMMER H2 08-09 Body Control (BCM); (LH firewall)
IMPALA 06-12 Body Control (BCM); (LH dash)
IMPALA 13 Body Control (BCM); (LH dash), ID 22820315
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)
SAVANA 1500 VAN 08-12 Body Control (BCM); (center dash)
SAVANA 2500 VAN 08-12 Body Control (BCM)
SAVANA 3500 VAN 08-12 Body Control (BCM)
SRX 07-09 Body Control (BCM); LH dash
STS 10 Body Control (BCM); center dash
SUBURBAN 1500 10 Body Control (BCM); (under steering column), ID 20815898, 25892622
TAHOE 10 Body Control (BCM); (under steering column), ID 20815898, 25892622
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 10 Body Control (BCM); (under steering column), ID 20815898, 25892622
YUKON XL 1500 10 Body Control (BCM); (under steering column), ID 20815898, 25892622
Frequently Asked Questions
Frequently Asked Questions
What exactly is a ‘cloning service’?
Cloning is the process of reading the critical software and vehicle-specific data (like VIN and security information) from your original BCM and writing it directly onto the replacement module. This makes the new module an exact copy, allowing it to work in your vehicle without any additional programming.
Do I need to send my original BCM to you?
Yes. For the cloning service to work, we need your original module to extract the necessary data. We will return your original part along with the newly programmed replacement.
Is this part guaranteed to fix my problem?
This part is a guaranteed fix for a faulty BCM. We strongly recommend proper diagnosis by a qualified mechanic or by confirming your symptoms match those listed. A 2008-2009 HUMMER H2 BCM failure is common, but other issues can sometimes cause similar symptoms.
What if the airbag light comes on after I install it?
This is an uncommon but possible scenario. It means the BCM and the Supplemental Restraint System (SRS) or Airbag module (SDM) need to be re-synced. This is a simple procedure called ‘Setup SDM Primary Key in BCM’ that can be performed with a professional scan tool.
Will I lose my key fob functions?
No. Because we clone your original data, the new BCM will recognize your existing key fobs just as the old one did. There’s no need for key reprogramming.