End the Electrical Headaches in Your GM Truck or SUV
Are you battling bizarre electrical issues in your Blazer, Silverado, or Jimmy? Flickering lights, power windows with a mind of their own, a security light that won’t turn off, or worse, a vehicle that refuses to start can all point to one culprit: a failing Body Control Module (BCM). This isn’t just an inconvenience; it’s a frustrating problem that can leave you stranded. It’s time to restore order and get your reliable truck back. This pre-programmed BCM is the straightforward, effective solution you’ve been searching for, designed to get you back on the road without a mandatory, expensive trip to the dealership.
Common Symptoms of a Failing BCM & Your Direct Solution
If your vehicle is experiencing any of the following, a faulty BCM is the likely cause. This module is the central command for your vehicle’s body electronics, and when it fails, it can create a cascade of confusing problems. Our Programmed 2002-2005 Blazer S10 BCM is the definitive fix for:
- Intermittent or complete failure of power windows, door locks, and interior lights.
- Erratic behavior from windshield wipers or the horn.
- A persistent “Security” light on the dash, often leading to a no-start condition (Passlock/Passkey issues).
- False warnings on the instrument cluster or gauges not working correctly.
- Diagnostic trouble codes related to communication errors (U-codes).
Features & Benefits That Get You Moving
- ✔ Plug & Play Installation: We program this BCM to your vehicle’s specific VIN number before it ships. This critical step ensures it communicates correctly with your engine computer, instrument cluster, and other onboard systems right out of the box.
- ✔ Bypass the Dealership: A new BCM from the dealer would require towing your vehicle in for expensive programming. Our service saves you significant time, money, and hassle.
- ✔ Updated GM Software: Your module arrives loaded with the latest software updates from General Motors, which can resolve common factory bugs and improve overall performance and stability.
- ✔ No Core Charge: You don’t need to worry about the cost or inconvenience of sending your old, faulty module back to us. Keep your original part.
- ✔ Guaranteed Compatibility: This unit is a direct replacement for multiple part numbers, including 15063578, 15081796, 15095334, 19208537, DKAK, and DPNU.
- ✔ Restore Full Functionality: Get your truck’s essential features working again, from power accessories to the security system, for a safer and more enjoyable drive.
- ✔ Peace of Mind Included: This unit is backed by our one-year replacement warranty.
An Expert’s Note on VIN Programming: Why is programming so important? Think of the BCM as the vehicle’s air traffic controller for all non-engine electronics. It needs to know the exact options and security information for YOUR specific truck, which is all stored in the VIN. Simply installing a used BCM from another vehicle is a recipe for disaster—it will cause new problems, from security lockouts to non-functioning features. Our VIN programming service for your Programmed 2002-2005 Blazer S10 BCM ensures a seamless integration, making the repair process as simple as possible.
Frequently Asked Questions
What is a BCM and what does it do?
The Body Control Module (BCM) is a computer in your vehicle that manages and controls a wide range of electronic accessories not related to the engine. This includes power windows, door locks, the security system, interior and exterior lighting, wipers, and more. When it fails, these systems can become erratic or stop working altogether.
Is this BCM really “plug and play”?
Yes, for most vehicles. Because we program it to your VIN, it eliminates the need for dealer-level programming. However, as with any major electronic component replacement, some vehicles may require a simple relearn procedure after installation, such as for the brake pedal position sensor or the airbag system, which can often be done with a high-quality diagnostic tool.
How do I provide my VIN?
After you complete your purchase, you will need to send us your vehicle’s 17-digit VIN (Vehicle Identification Number). 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 is on after installation?
In some cases, the new BCM needs to be electronically introduced to the airbag system (SDM). If the airbag light is on after you install the part, a “Setup SDM Primary Key in BCM” procedure will need to be performed by a qualified technician with a professional scan tool to sync the modules.
Will this fix my “Security” light or no-start issue?
A failing BCM is one of the most common causes of GM Passlock security system issues, which result in a flashing security light and a crank-no-start condition. Replacing it with our Programmed 2002-2005 Blazer S10 BCM is a very effective solution for this specific problem.
Do I need to send my old BCM back?
No. This product comes with no core charge. You can keep, discard, or recycle your original module at your convenience, saving you the time and shipping costs associated with a core return.