Tired of Chasing Electrical Gremlins in Your Truck?
Is your Blazer, Jimmy, or Silverado acting possessed? Flickering lights, power windows with a mind of their own, a security system that won’t cooperate, or worse—a vehicle that refuses to start? These frustrating and unpredictable issues often point to one culprit: a failing Body Control Module (BCM). Instead of paying for expensive dealership diagnostics and programming, get the definitive, ready-to-install solution that puts you back in control.
Common Symptoms & Your Solution
A faulty BCM can cause a cascade of seemingly unrelated problems. If you’re experiencing any of the following, this pre-programmed module is the reliable fix you need:
- Erratic interior or exterior lights
- Power windows, door locks, or mirrors not working correctly
- Security or anti-theft light flashing, preventing the engine from starting
- Instrument cluster gauges behaving strangely
- HVAC (heater and A/C) controls are unresponsive
- Communication issues with diagnostic scan tools
This replacement module is the central command for your vehicle’s body electronics. By replacing your failing unit with our expertly programmed 2002-2005 Blazer S10 BCM, you restore all these functions to proper working order, just like the day it left the factory.
Features & Real-World Benefits
- âś” VIN-Programmed For You: Your module arrives pre-flashed with the latest GM software specifically for your vehicle’s VIN. This means no expensive trips to the dealer for programming—it’s ready for installation right out of the box.
- âś” Direct-Fit Replacement: Guaranteed to be a perfect match for part numbers 15095334, 15063578, 15081796, 19208537 and others, ensuring a hassle-free installation process.
- âś” Restores Full Functionality: Get your power accessories, security system, and other critical body functions working reliably again.
- âś” No Core Charge: Save time and money. You don’t need to worry about the cost or hassle of sending your old, faulty module back to us.
- âś” Peace of Mind Included: This unit is backed by our one-year replacement warranty.
Expert Insight: The BCM Cascade Effect
As a veteran tech, I’ve seen countless owners replace part after part—switches, relays, even batteries—trying to fix bizarre electrical issues. The real problem is often the BCM. It’s the ‘brain’ for all your truck’s comfort and security features. When it starts to fail, it sends faulty signals, creating a domino effect of problems that can seem impossible to diagnose. Replacing a faulty 2002-2005 Blazer S10 BCM doesn’t just fix one problem; it often resolves a dozen frustrating issues at once, saving you hundreds in diagnostic fees and unnecessary parts.
Frequently Asked Questions
What does “VIN-programmed” mean for me?
It means we take your vehicle’s unique 17-digit Vehicle Identification Number (VIN) and load the exact software and settings your truck or SUV needs directly onto the BCM before we ship it. This makes the installation process much simpler, as the most complex step is already done for you, saving you a trip to the dealership.
Do I need to do any programming after installation?
In most cases, no primary programming is needed. However, as noted in our post-install procedures, some vehicles may require a ‘Setup SDM Primary Key in BCM’ procedure if the airbag light comes on, or a ‘Brake Pedal Position Relearn’. These are simple sync procedures that can be performed with a professional-grade scan tool.
Where is the BCM located on my Blazer S10 or Jimmy?
On the 2002-2005 S-10 Blazer and S-15 Jimmy, the Body Control Module is typically located in the center of the dashboard, often behind the glove box or radio area. Always consult a service manual for your specific model to confirm the exact location before beginning work.
Will this fix my security or anti-theft light issue?
Yes, a faulty BCM is one of the most common causes of a flashing security light and a no-start condition on these GM vehicles. This pre-programmed 2002-2005 Blazer S10 BCM is designed to resolve these security system communication errors.
What happens if my airbag light comes on after I install it?
If the airbag warning light is on after installation, it simply means the new BCM needs to be synced with your vehicle’s existing airbag module (SDM). A technician with a capable scan tool will need to perform the ‘Setup SDM Primary Key in BCM’ procedure to sync the systems and turn off the light.
How do I provide my VIN?
After you complete your purchase, you will need to send us your 17-digit VIN. You can typically add it as a note during checkout or reply to your order confirmation email. We cannot ship your part until we receive your VIN, as programming is a required step.