Restore Your GM Truck’s Electrical System with a Plug-and-Play Solution
Are you battling bizarre electrical gremlins in your 2002 GMC Yukon XL 1500? Issues like flickering interior lights, power windows and locks that have a mind of their own, a security light that won’t turn off, or even a frustrating no-start condition are classic signs of a failing Body Control Module (BCM). As the central hub for your vehicle’s body electronics, when the BCM goes down, it can create a cascade of confusing and annoying problems. Stop chasing symptoms and replace the core component with a reliable, pre-programmed solution.
This isn’t just a replacement part; it’s a direct-fit, fully functional fix. We take the hassle and expense out of the equation by programming this BCM specifically for your vehicle using your VIN. This means it arrives at your door loaded with the latest GM factory software, ready for installation. You get a component that communicates flawlessly with your truck’s other systems, without needing a trip to the dealership for expensive programming.
I remember a 2002 Sierra 1500 that came into my shop with the classic BCM failure story. The owner was fed up. His dome lights would stay on, the radio presets would randomly wipe, and the key fob worked intermittently. He’d already replaced the battery and checked fuses. After connecting my scan tool, I saw a slew of communication errors pointing straight to the BCM. Instead of a costly dealer visit, we ordered one of these VIN-programmed modules. The swap took less than 30 minutes, and instantly, all the strange electrical issues were gone. It’s a textbook fix for a very common GM problem from this era.
Common Signs of a Failing GM BCM
- ✔ Erratic or non-functional power windows, door locks, and mirrors.
- ✔ Interior dome lights or dashboard lights staying on or not working at all.
- ✔ The security or anti-theft light is illuminated, potentially causing a no-start condition.
- ✔ Intermittent operation of the radio or climate controls.
- ✔ False warning messages on the driver information center (DIC).
- ✔ Communication-related Diagnostic Trouble Codes (DTCs), such as U-codes (e.g., U0140, U0155).
- ✔ Horn honking unexpectedly or not working when pressed.
Your Straightforward BCM Installation Guide
- ✔ Safety First: Always disconnect the negative terminal from your vehicle’s battery before beginning any electrical work.
- ✔ Locate the BCM: On most GM trucks and full-size SUVs like the Yukon, the BCM is located under the driver’s side of the dashboard, often near the steering column. On vans like the Astro/Safari or smaller SUVs like the Blazer, it may be behind the center dash panel.
- ✔ Remove Trim Panels: Carefully remove any plastic trim or panels necessary to access the module. These are usually held by clips or a few screws.
- ✔ Disconnect and Remove: Unplug the electrical connectors from the old BCM. They have locking tabs that need to be depressed. Once disconnected, unbolt or unclip the module from its mounting bracket.
- ✔ Install the New BCM: Mount your new, pre-programmed BCM in the same location and reconnect all the electrical harnesses. Ensure they click securely into place.
- ✔ Reconnect and Test: Reconnect the negative battery terminal. Turn the key to the ‘On’ position and test all body functions—windows, locks, lights, etc.—to confirm the repair.
Important Post-Installation Note: While this module is programmed for your VIN, some vehicles may require additional relearn procedures. If your airbag light is on, a professional scan tool is needed to perform the ‘Setup SDM Primary Key in BCM’ procedure. A ‘Brake Pedal Position Relearn’ may also be necessary on certain models to ensure proper brake light and stability control function. Always consult a service manual for vehicle-specific requirements.
Will This Fit My Vehicle?
This BCM is a direct replacement for part numbers 15063578, 15081796, 15095334, 19208537, DKAK, and DPNU. It is guaranteed to fit the following GM models and years:
- ✔ 2002-2005 Chevrolet Astro / GMC Safari
- ✔ 2002 Chevrolet Avalanche 1500 (4×2)
- ✔ 2002-2005 Chevrolet Blazer S10 / GMC Jimmy S15
- ✔ 2002 Cadillac Escalade (4×2)
- ✔ 2002-2004 Chevrolet S10 / GMC Sonoma
- ✔ 2002 Chevrolet Silverado & GMC Sierra 1500, 2500, 3500, & Denali
- ✔ 2002 Chevrolet Suburban 1500 (4×2) & 2500
- ✔ 2002 Chevrolet Tahoe (4×2)
- ✔ 2002 GMC Yukon (4×2)
- ✔ 2002 GMC Yukon XL 1500 (4×2) & 2500
Frequently Asked Questions
Do I need to program this 2002 Yukon XL 1500 BCM?
No. We handle all the programming for you before shipment. Simply provide your vehicle’s VIN during checkout, and it will arrive ready to install with the latest GM software.
What is a VIN and where do I find it?
The VIN (Vehicle Identification Number) is a unique 17-digit code for your truck. You can find it on the driver’s side of the dashboard (visible through the windshield), on your vehicle’s registration, or on the driver’s side door jamb sticker.
What if my airbag light comes on after installation?
This can happen occasionally. It means the new BCM needs to be synced with the airbag system’s Sensing and Diagnostic Module (SDM). A mechanic with a professional-grade scan tool will need to perform the ‘Setup SDM Primary Key in BCM’ procedure to resolve it.
Is there a core charge for my old part?
Absolutely not. There is no core charge for this BCM. You can keep your original module without any extra fees or hassle.
How can I be sure the BCM is my problem?
While the symptoms listed are very common for BCM failure, proper diagnosis is key. A full vehicle scan can reveal communication codes (U-codes) that point to the BCM. If multiple, unrelated electrical systems are failing at once, the BCM is a primary suspect.