Restore Your Truck’s Electrical System and Get Back on the Road
Are you dealing with frustrating and unpredictable electrical issues in your Chevy S10, GMC Sonoma, or other GM truck? Flickering lights, unresponsive power windows and locks, a security light that won’t turn off, or even a no-start condition can all point to a failing Body Control Module (BCM). This vital component is the central hub for your vehicle’s body electronics, and when it fails, it can cause a cascade of confusing problems. Stop chasing electrical gremlins and install a reliable, direct-fit solution that gets your truck back to working order.
Common Symptoms & Your Solution
A faulty BCM can make your reliable vehicle feel unpredictable. If you’re experiencing any of the following, our pre-programmed BCM is the definitive solution:
- Intermittent or non-working power windows, door locks, or mirrors
- Erratic interior or exterior lighting behavior
- Malfunctioning radio or instrument cluster gauges
- Security system faults or a constant anti-theft light
- Problems with the heating and A/C blower motor controls
- A vehicle that cranks but refuses to start
This isn’t just a replacement part; it’s a fully programmed, plug-and-play fix for your vehicle. We take your vehicle’s VIN and flash this module with the latest stable software from GM, ensuring it communicates perfectly with your truck’s existing systems right out of the box. This professionally programmed 2002-2004 S10 Sonoma BCM saves you a costly trip to the dealership and the hassle of specialized programming tools.
Features & Real-World Benefits
- ✔ VIN-Programmed for Your Vehicle: We handle all the programming before we ship. This means no extra fees or appointments at a repair shop. It arrives ready to install, saving you time and money.
- ✔ Restores Full Functionality: Get your power accessories, lighting, and security systems working like they should. Enjoy the convenience and safety of a fully operational vehicle once again.
- ✔ Loaded with Updated GM Software: Your BCM will be flashed with the newest official software, ensuring optimal performance and reliability over older, outdated versions.
- ✔ No Core Charge Required: Keep your old module. There’s no need to worry about the cost or hassle of sending a core back to us.
- ✔ Broad GM Compatibility: This module is a direct replacement for multiple part numbers, including 15063578, 15081796, 15095334, and 19208537, fitting a wide range of GM trucks, vans, and SUVs.
- ✔ Peace of Mind Guarantee: This unit is backed by our one-year replacement warranty.
Expert Insight: The BCM Diagnostic Trap
“As a technician, I’ve seen countless hours and dollars wasted because a failing BCM can mimic other problems. A customer might replace a window motor, a light switch, or even a fuel pump, only to find the real issue was the BCM all along. The module sends the wrong signals, making good parts seem faulty. By installing a properly diagnosed and pre-programmed 2002-2004 S10 Sonoma BCM, you’re not just replacing a part; you’re applying a precise solution that prevents further misdiagnosis and unnecessary repairs. It’s the right way to fix it the first time.”
Important Post-Installation Information
For a seamless installation, please be aware of these potential procedures that may be required after the BCM is installed. These are standard GM procedures and can be performed by a qualified technician with a professional scan tool.
- Airbag System Sync: If the airbag warning light is on after installation, a ‘Setup SDM Primary Key in BCM’ procedure is needed to sync the systems.
- Brake Pedal Position Relearn: On some models, a brake pedal position sensor recalibration might be necessary to ensure proper brake light and traction control function.
We provide this information to ensure you have a complete understanding of the process. Our goal is to get your 2002-2004 S10 Sonoma BCM installed and your vehicle running perfectly.
Frequently Asked Questions
Do I need to program this BCM?
No. The main benefit of our service is that we program the BCM for you using the VIN you provide after purchase. It will arrive ready to be installed in your vehicle, saving you a trip to the dealership.
Where is the BCM located on my vehicle?
The location varies slightly by model. On S10/Sonoma, Blazer/Jimmy, and Astro/Safari vans, it is typically found in the center of the dash. On full-size trucks and SUVs like the Silverado, Sierra, and Tahoe, it is usually located under the steering column.
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 will provide clear instructions on how to do this. We cannot ship your part until we receive your VIN, as the programming is specific to your exact vehicle.
Will this fix my specific problem?
This module will correct any issues directly caused by a faulty BCM. Because the BCM controls so many functions, it’s a common point of failure for many electrical problems. However, we always recommend proper vehicle diagnostics to confirm the BCM is the root cause before ordering.
What part numbers does this BCM replace?
This module is a direct replacement for several original GM part numbers, including 15063578, 15081796, 15095334, 19208537, DKAK, and DPNU. Please verify your part number to ensure compatibility.