Restore Full Electrical Control to Your GM Truck or SUV
Are you battling frustrating electrical problems in your 2003-2006 GMC Yukon XL 1500? One day the power windows work, the next they don’t. The HVAC blower motor has a mind of its own, and you’re seeing strange warning lights on the dash. These aren’t random glitches; they’re classic signs of a failing Body Control Module (BCM). The BCM is the central command center for your vehicle’s body electronics, and when it fails, it can cause a cascade of confusing and annoying issues. Stop chasing down electrical gremlins and get the definitive fix. This OEM-quality replacement BCM, part number 15137393, is the solution you need.
We take the guesswork and high costs out of the repair. Unlike a standard replacement that requires an expensive trip to the dealership for programming, this module arrives at your door expertly programmed to your vehicle’s specific VIN. This ensures seamless communication with your Yukon’s other systems right out of the box. It’s a true plug-and-play solution designed to get you back on the road with confidence and all your vehicle’s features working as they should.
Case Study: A Tricky Diagnosis
A customer brought in his 2005 Yukon XL 1500 last month with a laundry list of complaints: the radio would cut out, the driver’s side door lock wouldn’t respond, and the airbag light was on with a B1001 code. He’d already replaced the battery and checked fuses with no luck. In my 20+ years of experience, these scattered, unrelated symptoms almost always point to a single culprit: the BCM. The internal logic board develops micro-fractures or component failure over time, leading to erratic behavior. We installed one of our VIN-programmed modules, performed the quick SDM key relearn, and in under 15 minutes, every single issue was resolved. The customer saved hundreds compared to the dealer quote and drove away with a perfectly functioning vehicle.
Is Your Yukon Showing These Electrical Gremlins?
A failing BCM can manifest in numerous ways. If you’re experiencing any of the following, it’s highly likely your BCM is the root cause:
- ✔ Intermittent or non-functional power windows, door locks, or mirrors.
- ✔ HVAC controls not responding or blower motor working sporadically.
- ✔ An active airbag warning light, often accompanied by DTC B1001.
- ✔ Security system faults, leading to a no-start or crank-no-start condition.
- ✔ Headlights, taillights, or interior lights flickering or not working at all.
- ✔ Unpredictable behavior from the windshield wipers.
Your 5-Minute Path to a Fully Functional Yukon
Installing your new 2003-2006 Yukon XL 1500 BCM is a straightforward job that most DIY enthusiasts can complete with basic hand tools. No complex wiring is required.
- Safety First: Always disconnect the negative terminal from your vehicle’s battery before beginning any electrical work. This prevents short circuits and helps reset the vehicle’s systems.
- Locate the BCM: On most Yukon, Tahoe, and Suburban models, the BCM is located under the driver’s side dashboard, just to the left of the steering column. It’s a black box with several large multi-pin connectors.
- Remove the Old Module: Carefully unplug the electrical connectors. They have locking tabs that need to be depressed. Once unplugged, remove any mounting screws or clips holding the old BCM in place and take it out.
- Install the New BCM: Mount your new, pre-programmed BCM in the same location. Securely plug in all the electrical connectors, ensuring they click into place.
- Reconnect and Test: Reconnect the negative battery terminal. Start the vehicle and test all functions—windows, locks, lights, HVAC, and wipers—to confirm the repair was successful.
Important Post-Installation Note: After installation, you may need to perform a ‘Setup SDM Primary Key in BCM’ procedure using a capable bi-directional scan tool to clear the airbag light. Some vehicles may also benefit from a brake pedal position sensor recalibration. Consult your service manual for specific procedures for your model.
Verified Fitment For These GM Trucks & SUVs
This module is a direct replacement for part number 15137393 and is interchangeable with a wide range of part numbers, including 15116066, 15136225, and 15198116. It is guaranteed to fit the following vehicles:
Yukon / Yukon XL 1500 / Yukon XL 2500 (2003-2006)
Sierra 1500 / 2500 / 3500 & Denali (2003-2007 Classic)
Savana 1500 / 2500 / 3500 Van (2004-2007 with opt PRP)
Chevrolet:
Tahoe / Suburban 1500 / Suburban 2500 (2003-2006)
Silverado 1500 / 2500 / 3500 (2003-2007 Classic)
Avalanche 1500 / 2500 (2003-2006)
Express 1500 / 2500 / 3500 Van (2004-2007 with opt PRP)
Cadillac:
Escalade / ESV / EXT (2003-2006)
Hummer:
Hummer H2 (2003-2007)
Frequently Asked Questions
Do I need to take my vehicle to the dealer for programming after installation?
No. This is the biggest benefit of our service. We program the 2003-2006 Yukon XL 1500 BCM to your vehicle’s VIN before shipping. It arrives ready for a simple, plug-and-play installation, saving you time and hundreds of dollars in dealership fees.
Where is the BCM located on my 2005 Yukon XL?
On the 2003-2006 Yukon, Yukon XL, Tahoe, and Suburban, the BCM is typically found under the driver’s side dash, to the left of the steering column. It is a black plastic module with multiple large wiring harnesses connected to it.
Will this fix my airbag light that is on?
A faulty BCM is a common cause for an airbag light, especially with a B1001 diagnostic trouble code. Replacing the BCM will likely resolve the root cause, but you will need to perform the ‘Setup SDM Primary Key in BCM’ procedure with a professional scan tool to turn the light off after installation.
My original part has a different number on it. Will this work?
Yes, most likely. GM used many different part numbers for these modules over the years. This unit is a direct replacement for numerous part numbers, including 15116066, 15136225, 15136877, 15137393, 15198116, and more. Please verify fitment using our vehicle selector or contact our expert support team.
Is there a core charge for my old part?
No, there is no core charge. You can keep your old part or dispose of it without the hassle of returning it, making the repair process even simpler.