If your 2003-2006 GMC Yukon XL 1500 is starting to feel like it’s haunted by electrical gremlins, you’re not alone. One day the power windows refuse to work, the next the A/C blower motor has a mind of its own, or worse, you’re facing a no-start situation. As a technician with over two decades of experience, I’ve seen these exact symptoms hundreds of times, and the culprit is almost always a failing Body Control Module (BCM). This isn’t just an inconvenience; it’s a breakdown of your vehicle’s central nervous system for all body-related functions.
This replacement Body Control Module, compatible with part number 10367690, is the definitive solution to restore order. The BCM is the electronic hub that manages everything from your interior lights and door locks to the security system and HVAC controls. When it fails, communication between these systems breaks down, leading to the frustrating and unpredictable issues you’re likely experiencing. We take the guesswork and dealership hassle out of the repair by pre-programming this module to your vehicle’s specific VIN. This means no expensive trips for programming—it arrives ready for a true plug-and-play installation, getting your Yukon back to full operational health quickly and affordably.
A Technician’s Notebook
I remember a 2005 Yukon XL that came into the shop with a laundry list of complaints from the owner. The radio would turn on and off, the driver’s side power seat was dead, and the security light would flash intermittently, causing a no-start. The owner had already replaced the battery and checked fuses. After connecting my scanner, I saw a slew of communication DTCs pointing to the BCM. The internal circuits, specifically the grounding paths on these modules, can degrade over time from heat cycles and vibration. Installing a new, VIN-programmed 2003-2006 Yukon XL 1500 BCM cleared every single code and resolved all the issues in one go. It’s a perfect example of how one component can cause a cascade of seemingly unrelated problems.
Is Your Yukon Showing These Electrical Issues?
- ✔ Intermittent or non-functional power windows, door locks, or mirrors.
- ✔ HVAC system problems, such as a blower motor that won’t turn on or can’t be controlled.
- ✔ An active airbag warning light on the dash, sometimes with a related DTC like B1001.
- ✔ Erratic behavior from the anti-theft or security system, leading to unexpected alarms or a no-start condition.
- ✔ Headlights, taillights, or interior dome lights not working correctly.
- ✔ A dashboard that seems to have a life of its own with flickering warning lights.
Your 5-Minute BCM Installation Guide
Replacing the BCM is a straightforward job that most DIYers can complete with basic hand tools. It’s typically located under the driver’s side dashboard, near the steering column.
- Safety First: Always disconnect the negative terminal from your vehicle’s battery and wait a few minutes to ensure all modules have powered down.
- Locate the Module: Find the BCM under the driver’s side dash. It’s a black plastic box with several large multi-pin connectors.
- Disconnect and Remove: Carefully unplug the electrical connectors. They have locking tabs that need to be depressed. Once unplugged, unbolt or unclip the old module from its mounting bracket.
- Install the New BCM: Mount your new, VIN-programmed module in place of the old one. Securely plug in all the electrical connectors, ensuring they click into place.
- Reconnect and Test: Reconnect the negative battery terminal. Start your Yukon and test all the functions: windows, locks, lights, wipers, and HVAC system to confirm the repair.
Post-Installation Note: In some cases, a professional scan tool may be needed to perform an ‘SDM Primary Key’ relearn if the airbag light remains on, or a ‘Brake Pedal Position’ relearn. There is no core charge for this part, so you can keep your old module without any hassle.
Verified Fitment For These GM Models
This module is a direct replacement for a wide range of General Motors trucks and SUVs, ensuring OEM-level performance. It is interchangeable with part numbers 15116066, 10383536, 15136225, 15198116, and others. It is guaranteed to fit the following models with the specified options:
- GMC Yukon XL 1500: 2003, 2004, 2005, 2006 (under steering column)
- GMC Yukon & Yukon XL 2500: 2003-2006
- GMC Sierra 1500/2500/3500 & Denali: 2003-2007 (Classic)
- Chevrolet Tahoe & Suburban 1500/2500: 2003-2006
- Chevrolet Silverado 1500/2500/3500: 2003-2007 (Classic)
- Chevrolet Avalanche 1500/2500: 2003-2006
- Cadillac Escalade, ESV, EXT: 2003-2006
- Hummer H2: 2003-2007
- Chevrolet Express & GMC Savana Vans: 2004-2007 (w/ commercial tradesman package)
Frequently Asked Questions
2003-2006 Yukon XL 1500 BCM
Will this fix my specific electrical problem?
This module is the solution for the most common electrical failures on these trucks. If you’re experiencing multiple symptoms listed above, a faulty is the most likely cause. Proper diagnosis is always recommended, but this part resolves a very wide range of issues.