Restore Full Electrical Control to Your GM Truck or SUV
Are you battling bizarre electrical issues in your truck? Flickering lights, unresponsive power windows, faulty door locks, or a security system that has a mind of its own? These are classic signs of a failing Body Control Module (BCM), the central command center for your vehicle’s body electronics. Don’t let these frustrating problems compromise your vehicle’s reliability and safety. This pre-programmed BCM is the definitive solution to get your truck or SUV back to operating exactly as it should.
Common Symptoms & Your Solution
A faulty BCM can cause a wide range of confusing symptoms that can be difficult to diagnose. If you’re experiencing any of the following, a failing module is the likely culprit:
- Power windows, mirrors, or door locks working intermittently or not at all.
- Interior dome lights or dashboard lights staying on or not turning on.
- The security system engaging randomly or preventing the engine from starting (Passlock issues).
- Erratic behavior from the radio or climate controls.
- Warning lights on the dash without a clear cause.
This module is the direct answer to these issues. We take the guesswork out of the repair by flashing the unit with the latest GM software updates specifically for your vehicle’s VIN. This ensures that when you install this replacement 2002 Sierra 1500 BCM, it communicates perfectly with your vehicle’s existing systems, restoring full function and dependability.
Features & Benefits
- ✔ VIN-Programmed for Your Vehicle: Simply provide your VIN during checkout, and we’ll program the module before it ships. This eliminates the need for an expensive trip to the dealership for programming.
- ✔ Ready for Installation: Because the complex programming is done for you, this BCM is ready to be installed upon arrival, minimizing your vehicle’s downtime.
- ✔ Updated GM Software: Your module is flashed with the newest stable software from GM, ensuring optimal performance and reliability beyond the original factory specifications.
- ✔ No Core Charge: Keep your old module. There are no core charges or hassles with returning the original part, saving you time and money.
- ✔ Direct Fit & Function: Engineered to be a direct replacement for OEM part number 15081796 and other compatible numbers, guaranteeing a perfect fit and seamless integration.
- ✔ One-Year Protection: This unit is backed by our one-year replacement warranty.
Expert Insight: The Critical Role of VIN Programming
On these early 2000s GM vehicles, the BCM is the heart of the vehicle’s personality. It stores information about your specific options—like power seats, keyless entry, and drivetrain configuration (4×2 vs. 4×4). Simply swapping a BCM from another truck will cause chaos. Features won’t work, and security systems will prevent the engine from starting. By programming this 2002 Sierra 1500 BCM to your exact VIN, we ensure it knows every detail about your truck, making the installation process smooth and restoring all functions correctly the first time.
Important Post-Installation Information
While this module is programmed for your vehicle, some models may require one or two simple recalibration procedures after installation to sync with other vehicle systems. These are standard procedures that can be performed by any competent shop with a professional-grade scan tool.
- Airbag System Sync: If the airbag warning light is illuminated after installation, a procedure called ‘Setup SDM Primary Key in BCM’ is needed to sync the new BCM with the airbag module.
- Brake Pedal Position Relearn: On some models, a brake pedal position sensor recalibration may be necessary to ensure proper brake light and traction control operation.
Verified Fitment Information
This Body Control Module is a direct replacement for the following part numbers: 15063578, 15081796, 15095334, 19208537, DKAK, DPNU. It is confirmed to fit a wide range of GM vehicles, including:
- 2002 Silverado & Sierra 1500 / 2500 / 3500
- 2002 Tahoe, Suburban, Yukon, Yukon XL, Escalade (4×2 models)
- 2002 Avalanche 1500 (4×2 models)
- 2002-2005 Blazer S10 / Jimmy S15
- 2002-2004 S10 / S15 / Sonoma
- 2002-2005 Astro / Safari
Please verify your original part number to ensure compatibility.
Frequently Asked Questions
What does the Body Control Module (BCM) do?
The BCM is a computer in your vehicle that controls and monitors a wide variety of electronic accessories not related to the engine. This includes power windows, door locks, interior and exterior lighting, the security system, wipers, and often the radio and climate controls.
Is this part difficult to install?
The physical installation is typically straightforward for someone with basic mechanical skills. The BCM is usually located under the driver’s side dashboard. The main benefit of our service is that we handle the difficult programming, making the electronic side of the installation as simple as possible.
Do I need to send my old BCM back?
No. This product comes with no core charge. You can keep your original part, which means less hassle and no extra deposit required from you.
Why is programming this 2002 Sierra 1500 BCM to my VIN so important?
VIN programming loads the module with the specific software and settings for your truck’s unique features, such as keyless entry, power options, and security system. Without correct programming, these systems will not function, and your vehicle likely will not start.
What if my airbag light comes on after I install it?
This is a known possibility. The new BCM needs to be electronically ‘introduced’ to the airbag control module (SDM). A repair shop with a professional scan tool can perform the ‘Setup SDM Primary Key in BCM’ procedure in a few minutes to resolve this.
How do I provide my VIN?
After you complete your purchase, you will need to send us your 17-digit Vehicle Identification Number (VIN). We cannot program and ship your BCM without it. This ensures you receive a module that is a perfect electronic match for your vehicle.