Are Frustrating Electrical Problems Plaguing Your GM SUV?
If you’re dealing with flickering lights, power windows and locks that have a mind of their own, or strange warning messages on your dash, a failing Body Control Module (BCM) is the most likely culprit. In vehicles like the GMC Envoy, Chevy Trailblazer, and Oldsmobile Bravada, the BCM is the central hub for all body-related electronics. When it fails, it can cause a cascade of confusing and intermittent issues that make your vehicle feel unreliable. Don’t let these electrical gremlins ruin your driving experience. We have the simple, effective, and permanent solution.
Common GMT360 BCM Failure Symptoms & Your Solution
A faulty BCM can manifest in numerous ways. If you’re experiencing any of the following, it’s a strong sign that this module is the source of your problems:
- Intermittent or total failure of power windows, door locks, or interior lights.
- Headlights or taillights staying on and draining the battery.
- Erratic instrument cluster behavior or false warning lights (e.g., “Service 4WD”).
- Communication error codes, such as U1000, stored in other modules.
- Intermittent no-start conditions where the engine cranks but won’t fire up.
This Programmed 2002-2005 Envoy XL BCM 15114669 is the definitive fix. We take all the guesswork and hassle out of the repair. Simply provide us with your vehicle’s VIN during checkout, and our technicians will program the module with the latest GM software specific to your exact build. It arrives at your door ready for a straightforward installation, saving you a costly trip to the dealership for programming.
Features & Benefits
- ✔ Plug & Play Installation: This BCM is professionally programmed to your vehicle’s unique VIN. This critical step ensures it communicates correctly with your vehicle’s other computers right out of the box.
- ✔ Restores Full Functionality: Get your power windows, locks, lighting, and other accessories working reliably again, just like they did from the factory.
- ✔ Updated GM Software: We flash the module with the newest updates from General Motors, which can resolve bugs and improve performance over your original unit.
- ✔ Guaranteed Compatibility: A direct replacement for part numbers 15114669, 15122670, 15065293, 15191621, and 9352135.
- ✔ No Core Charge Required: Keep your old module without any extra fees or the hassle of shipping it back.
- ✔ Peace of Mind Guarantee: This unit is backed by our one-year replacement warranty.
Expert Insight: Why VIN Programming is Non-Negotiable
As a veteran technician, I’ve seen countless people try to save a few bucks by installing a used BCM from a salvage yard. It almost never works. The BCM is not a one-size-fits-all part; it’s programmed with the specific options (RPO codes) your vehicle was built with—from the type of radio to whether you have power seats. Using an incorrectly programmed module can lead to features not working or, worse, new and more confusing problems. Our VIN programming service ensures this Programmed 2002-2005 Envoy XL BCM 15114669 is a perfect electronic match for your truck, guaranteeing a successful repair the first time.
Frequently Asked Questions
Why do you need my VIN?
Your Vehicle Identification Number (VIN) allows us to program the BCM with the exact software and configuration your vehicle had when it left the factory. This step is essential for a true plug-and-play installation and ensures all your vehicle’s features work correctly.
Where is the BCM located on my vehicle?
On most of these GM SUVs (Trailblazer, Envoy, etc.), the BCM is part of the front interior fuse box assembly, typically located on the driver’s side under the rear seat or on the driver’s side of the center console. Please verify the location on your specific model before ordering.
What if my airbag light comes on after installation?
In some cases, the new BCM may need to be synced with the airbag system’s computer (SDM). If the airbag warning light is on after installation, a ‘Setup SDM Primary Key in BCM’ procedure will need to be performed with a capable professional scan tool. This is a quick procedure for any qualified technician.
Will this fix my specific problem?
This module will correct any issue directly caused by a failing BCM. While the symptoms listed above are common indicators, we always recommend a proper diagnosis by a qualified mechanic to confirm the BCM is the root cause of your problem before purchasing.
Does this module work for vehicles with a factory security system?
This specific BCM is for models that came without the optional factory security system (often designated as ‘w/o security system’ in fitment guides). Please check your vehicle’s options or consult your mechanic to ensure compatibility.
What does ‘No Core Charge’ mean?
It means you do not have to return your old, faulty BCM to us. There are no extra deposits or fees, and you can simply dispose of your original part, saving you time and return shipping costs.