Restore Your Truck’s Electrical System and Get Back to Work
Are you dealing with frustrating and unpredictable electrical problems in your GM truck or SUV? Flickering lights, malfunctioning power windows, a security system that acts up, or worse, a vehicle that refuses to start can bring your day to a grinding halt. These aren’t just annoyances; they’re symptoms of a failing Body Control Module (BCM). This pre-programmed BCM is the definitive, hassle-free solution to restore your vehicle’s reliability and get you back on the road with confidence.
Common Symptoms & Your Solution
A faulty BCM can cause a cascade of issues that seem unrelated. If you’re experiencing any of the following, it’s a strong indicator that your BCM needs replacement:
- Interior or exterior lights not working correctly (staying on or not turning on)
- Power windows, door locks, or mirrors operating erratically or not at all
- The security system light is flashing, preventing the engine from starting
- Dashboard warning lights appearing randomly
- Erratic gauge behavior or complete failure
- Radio or climate control malfunctions
Instead of paying for expensive diagnostic time and programming fees at a dealership, this module arrives at your door ready for installation. We use your vehicle’s VIN to flash the unit with the latest, most stable software from GM, ensuring it communicates perfectly with your truck’s specific systems right out of the box. This is the most efficient way to replace a faulty 2002 Sierra 1500 BCM and solve those electrical gremlins for good.
Features & Benefits
- ✔ VIN-Programmed for Your Truck: We flash the module specifically to your vehicle’s VIN. This eliminates the need for a trip to the dealer for expensive programming, saving you time and money.
- ✔ Plug & Play Installation: Once programmed, this BCM is ready to be installed. In most cases, no complicated relearn procedures are required to get your vehicle running again.
- ✔ Loaded with Latest GM Updates: Your module comes with the newest software updates from GM, ensuring optimal performance and correcting known factory issues.
- ✔ Guaranteed Compatibility: This unit is a direct replacement for a wide range of part numbers, including 15063578, 15081796, 15095334, and 19208537.
- ✔ No Core Charge: Keep your old part. There are no core charges or hassles with shipping your old module back to us.
- ✔ Peace of Mind: This unit is backed by our one-year replacement warranty.
Expert Insight: Why VIN Programming is Non-Negotiable
On these early 2000s GM vehicles, the BCM is the central hub for dozens of functions—from your keyless entry to your power seat memory. A generic, non-programmed module simply won’t work. It doesn’t know what options your specific truck was built with. By programming the 2002 Sierra 1500 BCM to your VIN, we are essentially telling the module its exact job description. This ensures seamless integration and prevents the frustrating experience of installing a part only to find half your accessories still don’t work.
Important Post-Installation Information
While this module is designed for a simple installation, some vehicle systems may require recalibration. Please be aware of the following potential procedures:
- Airbag System Sync: If the airbag warning light is on after installation, a professional scan tool is needed to perform the ‘Setup SDM Primary Key in BCM’ procedure. This syncs 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 functionality.
Always consult a factory service manual or a qualified technician for vehicle-specific guidance.
This part will fit these makes and models with these options:
This 2002 Sierra 1500 BCM is also a direct fit for a wide range of GM vehicles, including but not limited to: 2002-2005 Astro & Safari, 2002-2005 Blazer S10/Jimmy S15, 2002-2004 S10/S15/Sonoma, and 2002 models of Silverado, Sierra (1500, 2500, 3500, Denali), Tahoe, Yukon, Suburban, Escalade, and Avalanche. Please verify your original part number against our list: 15063578, 15081796, 15095334, 19208537, DKAK, DPNU.
Frequently Asked Questions
What is a BCM and what does it do?
The Body Control Module (BCM) is a computer in your vehicle that controls and monitors a wide range of electronic accessories not related to the engine, such as power windows, interior lighting, security systems, and door locks.
Is this BCM truly “plug and play”?
Yes, because we program it to your specific VIN before shipping, it is ready to be installed without needing a trip to the dealership for programming. However, as noted, some vehicles may require a simple sync procedure for the airbag system if the warning light appears.
How do I provide my VIN number?
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. You can typically find your VIN on your vehicle’s registration, insurance card, or on a plate on the driver’s side dashboard visible through the windshield.
What happens if my airbag light comes on after installation?
This can happen occasionally as the new BCM needs to be electronically introduced to the airbag system’s computer (SDM). A repair shop with a professional-grade scan tool can perform the ‘Setup SDM Primary Key in BCM’ procedure in a few minutes to turn off the light.
Will this fix my specific electrical problem?
The BCM is the cause of the vast majority of the electrical symptoms listed above. While we cannot diagnose your vehicle remotely, if you are experiencing multiple of those issues, a failing BCM is the most likely culprit.
Does this part require a core return?
No. We do not require you to return your original module. There is no core charge associated with this purchase.