Restore Full Function to Your GM Truck or SUV
Are strange electrical issues turning your reliable GM truck or SUV into a source of frustration? Failing power windows, a security light that won’t turn off, or interior lights with a mind of their own are all classic signs of a failing Body Control Module (BCM). This vital component is the central hub for your vehicle’s body electronics, and when it malfunctions, it can cause a cascade of confusing and annoying problems. This pre-programmed BCM is the definitive solution to get your vehicle back to operating exactly as it should.
Common Symptoms of a Failing BCM & Your Solution
If you’re experiencing any of the following, a faulty BCM is the most likely culprit. This unit is designed to be a direct, effective fix for these specific problems:
- Intermittent or Inoperative Power Accessories: Windows, door locks, mirrors, and interior lighting may work sporadically or not at all.
- Security System Faults: The anti-theft or Passlock system may activate incorrectly, causing a no-start condition or a persistent security light on the dash.
- False Dashboard Warnings: You might see warning lights (like the airbag or brake light) illuminate for no apparent reason.
- Erratic Wiper or HVAC Blower Operation: Wipers may not park correctly, or the fan speed for your heat and A/C might be uncontrollable.
- Communication DTCs: A scan tool may show U-codes, indicating a loss of communication between the BCM and other modules on the vehicle.
Instead of struggling with a used module that requires expensive dealer programming, this 2001 Blazer S10 BCM arrives at your door programmed specifically for your vehicle. We use the VIN you provide to load the correct software and vehicle-specific calibrations, making installation as simple as possible.
Features & Benefits
- ✔ Plug & Play Installation: This BCM is pre-programmed to your vehicle’s unique VIN. This critical step ensures it communicates correctly with your truck’s existing systems, saving you a trip to the dealership.
- ✔ No Core Charge: Forget the hassle and expense of returning your old part. You can keep your original module without any extra fees or deposits.
- ✔ Updated GM Software: Your module is loaded with the latest stable software updates from GM, which can resolve common factory bugs and improve performance.
- ✔ Guaranteed Compatibility: This is a direct replacement for service numbers 09385236, 19208539, and 9371990, ensuring a perfect fit and function.
- ✔ Peace of Mind: This unit is backed by our one-year replacement warranty.
Expert Insight: Why VIN Programming is Non-Negotiable
From over 20 years of hands-on diagnostics, I can tell you that simply swapping a BCM on these early 2000s GM vehicles is a recipe for disaster. The BCM is the gatekeeper for the Passlock security system and is tied to your vehicle’s specific options (RPO codes). A non-programmed module from a junkyard won’t have the right information. The result? The truck won’t start, or features like power locks or fog lights won’t work correctly. Our VIN programming service isn’t just a convenience; it’s the essential step that makes this a true, effective repair. We ensure the digital ‘handshake’ between the BCM and your vehicle’s other computers happens flawlessly.
By ordering this pre-programmed 2001 Blazer S10 BCM, you are choosing a reliable, professional-grade solution that restores your vehicle’s functionality and your confidence on the road. Don’t let electrical gremlins keep your truck sidelined.
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. This includes power windows, door locks, the security system, interior and exterior lighting, and wipers, among other things.
How do I provide my VIN for programming?
After you complete your purchase, you will need to send us your 17-digit Vehicle Identification Number (VIN). We cannot ship your part until we receive this information, as the programming is a required step for the module to function in your vehicle.
Is this a difficult part to install?
For most of the vehicles this fits, like the 2001 Blazer S10 BCM, the module is located under the dash, typically on the driver’s or center side. Installation involves disconnecting the battery, removing a few trim panels, and unplugging the electrical connectors from the old BCM to swap in the new one. It is a manageable job for a confident DIYer with basic tools.
Will I need to do anything after installation?
In some cases, yes. As noted, you may need to perform an ‘Airbag System Sync’ or a ‘Brake Pedal Position Relearn’ with a professional scan tool if related warning lights appear. These are standard procedures after a BCM replacement on many GM vehicles.
What happens if I install a BCM that isn’t programmed?
An unprogrammed BCM will almost certainly cause problems. The most common issue is the security system will not recognize your key, preventing the engine from starting. You will also likely have features that don’t work because the module doesn’t know your vehicle’s specific configuration.
How can I be sure this fits my vehicle?
Please check the fitment list provided on this page. The most important step is to match your original part’s service number to one of the compatible numbers listed: 09385236, 19208539, or 9371990. Matching this number ensures perfect compatibility.