2008-2009 HUMMER H2 BCM Body Control Module 20839063

Restore Your H2’s Electrical System

Fix frustrating electrical problems with this pre-programmed Body Control Module for your 2008-2009 HUMMER H2. Programmed to your VIN for a simple, plug-and-play installation. No dealership visit required. Order today to get your Hummer back in top shape!

$224.95

+11.99 USPS Priority Shipping

Availability: In stock



SKU: 591-01465-765 Categories: ,
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Is your 2008-2009 HUMMER H2 suffering from baffling electrical issues? A faulty Body Control Module (BCM) is often the culprit behind these frustrating problems. The BCM acts as the central command center for your vehicle’s body electronics, managing everything from power windows and locks to interior lighting and security systems. When it fails, it can cause a cascade of seemingly unrelated symptoms, making diagnosis a nightmare.

This is a direct-fit replacement Body Control Module for your HUMMER H2. To ensure a seamless installation, we program the module to your vehicle’s specific VIN before it ships. This means it arrives ready to install, loaded with the latest software updates from GM, saving you a costly trip to the dealership for programming. Simply provide your VIN after purchase, and we’ll handle the rest.

From the Diagnostic Bay
We had a 2009 H2 come into the shop with the owner at his wit’s end. The radio would turn on and off by itself, the power door locks worked intermittently, and sometimes the truck wouldn’t start at all, just a click. We checked the battery and starter, which were fine. After connecting our scan tool, we saw multiple communication errors pointing towards the BCM. Instead of a lengthy and expensive diagnostic and programming session at the dealer, we installed one of our pre-programmed modules. The H2 fired right up, and all the strange electrical gremlins were gone. The customer was thrilled to have his truck back to normal without the typical dealership hassle.

Common Symptoms of a Failing HUMMER H2 BCM

  • ✔ Erratic or non-functional power windows, door locks, or mirrors.
  • ✔ Interior or exterior lights staying on or not turning on at all.
  • ✔ The security system acting up, or the horn honking randomly.
  • ✔ Intermittent no-start conditions where the engine won’t crank.
  • ✔ Dashboard warning lights appearing for no reason.
  • ✔ Problems with the radio or climate control systems.

Your Plug-and-Play Solution: The 2008-2009 HUMMER H2 BCM

Don’t let a faulty module keep your H2 off the road. This replacement BCM is the reliable and straightforward solution you need. Located on the left-hand (driver’s side) firewall, installation is manageable for a seasoned DIYer or any professional technician. By having the unit pre-programmed to your VIN, you eliminate the most complex part of the repair process. This module is also a compatible replacement for a wide range of original part numbers, ensuring broad applicability.

This module is a direct replacement for the following 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, 95151084

Post-Installation Requirements

While this module is programmed for your vehicle, some systems may require a relearn or synchronization procedure after installation. These are typically performed with a professional-grade scan tool.

  • Airbag System Sync: If the airbag warning light is illuminated after installation, a ‘Setup SDM Primary Key in BCM’ procedure is necessary to sync the systems. This is only required if the light is on.
  • Brake Pedal Position Relearn: A recalibration of the brake pedal position sensor may be needed to ensure correct brake light and traction control operation.

Always consult a factory service manual or a qualified technician for vehicle-specific procedures.

Frequently Asked Questions

What is a Body Control Module (BCM)?

The BCM is a computer in your vehicle that controls and monitors many of its electronic accessories, such as power windows, locks, lights, wipers, and the security system. It’s the brain for your vehicle’s body electronics.

Why do you need my VIN?

Your Vehicle Identification Number (VIN) allows us to program the BCM with the exact software and settings for your HUMMER H2’s specific options and features. This ensures it works correctly right out of the box.

Is this part difficult to install?

For the 2008-2009 HUMMER H2, the BCM is located on the driver’s side firewall. While the physical replacement is straightforward for someone with mechanical experience, accessing it may require removing some dash panels. The main benefit of our service is that the complex programming is already done.

Will I need a scan tool after installing this BCM?

Possibly. While the module is pre-programmed, certain systems like the airbag (SRS) or brake pedal position sensor may require a ‘relearn’ or ‘sync’ procedure with a professional scan tool to function correctly and clear any warning lights.

Do I need to return my old BCM?

No, there is no core charge for this part. You can keep your original module.

Genuine OEM

Yes

Year
Condition

Refurbished

MPN

20839063

Interchange part number

PartNumber

591

Model

Hummer H2

Year

2013

Brand

GM

Manufacturer Part Number

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