Restore Your Truck’s Electrical System and Drive with Confidence
Are strange electrical problems plaguing your Chevy S10, Blazer, GMC Jimmy, or Sierra? Flickering lights, unresponsive power accessories, or a security system that leaves you stranded are frustrating and common signs of a failing Body Control Module (BCM). Don’t let these electrical gremlins take your trusted truck off the road. This fully programmed BCM is the definitive, hassle-free solution to restore your vehicle’s proper function and your peace of mind.
Common Symptoms of a Failing BCM & Your Solution
A BCM is the central command for your vehicle’s body electronics. When it fails, it can cause a cascade of confusing issues. If you’re experiencing any of the following, a faulty BCM is the likely culprit:
- Erratic Lights: Headlights, tail lights, or interior dome lights that flicker, stay on, or don’t work at all.
- Power Accessory Failure: Power windows, door locks, or mirrors that work intermittently or have stopped responding.
- Security System Problems: The anti-theft or Passlock system preventing the engine from starting, often indicated by a flashing ‘Security’ light.
- Inoperative Wipers: Windshield wipers that won’t turn on, won’t turn off, or get stuck in the middle of the glass.
- False Dashboard Warnings: Warning lights on the instrument cluster that illuminate for no apparent reason.
This module is the direct-fit answer to these problems. We take the guesswork out of the repair by programming the unit specifically to your vehicle’s VIN before it ships, ensuring it communicates perfectly with your truck’s other systems right out of the box. Getting a reliable fix for your vehicle has never been more straightforward.
Features & Benefits
- โ VIN-Programmed for Your Vehicle: Arrives ready for installation with the latest GM software updates. This eliminates the need for an expensive trip to the dealership for programming.
- โ Direct-Fit Replacement: Engineered to match the original factory specifications for a seamless installation process. This is the correct 1998-2000 Blazer S10 BCM 16257125 for your truck.
- โ No Core Charge: Save time and money. You are not required to return your old, faulty module, which simplifies the entire process.
- โ Restores Full Functionality: Solves common electrical issues, from non-working power locks to frustrating no-start conditions caused by the security system.
- โ Broad Compatibility: Replaces a wide range of original part numbers, including 19153625, 8191536250, 16257125, and 09366801.
- โ Peace of Mind: This unit is backed by our one-year replacement warranty.
A Mechanic’s Perspective: Why Pre-Programming Matters
“Back in the day, a BCM replacement meant the job wasn’t done until the truck was towed to a dealership for programming. It was a major headache and added hundreds to the repair bill. This pre-programming service is a game-changer for DIYers and independent shops. It puts the power back in your hands, allowing you to complete the entire job in your own garage. You’re not just buying a part; you’re buying a complete, convenient solution that saves you significant time, money, and hassle. For a critical component like the 1998-2000 Blazer S10 BCM 16257125, this is the only way to do the job right.”
Installation & Post-Install Notes
This BCM is typically located behind the center or left-hand side of the dashboard. While installation is straightforward for those with basic mechanical skills, please be aware of potential post-installation procedures. Depending on your specific vehicle, a professional scan tool may be required to perform an ‘Airbag System Sync’ or a ‘Brake Pedal Position Relearn’ to ensure all systems function correctly and eliminate any warning lights. Always consult a factory service manual or a qualified technician if you are unsure. This 1998-2000 Blazer S10 BCM 16257125 is designed to get you back on the road quickly and reliably.
Frequently Asked Questions
Do I need to send my old BCM back?
No. This module is sold without a core charge. You can keep your original part, which saves you the cost and hassle of return shipping.
What does ‘VIN-programmed’ actually mean?
It means we load your truck’s unique Vehicle Identification Number (VIN) and all associated factory settings onto the BCM before we ship it to you. This ensures it communicates correctly with the engine computer, instrument cluster, and other electronic components as soon as it’s installed.
Will this fix my ‘Security’ light and no-start problem?
In a vast majority of cases, yes. A failing BCM is one of the most common causes of Passlock security system issues in these GM trucks. Replacing it with this pre-programmed unit is a very effective way to resolve those frustrating problems.
My airbag light came on after I installed the BCM. Is it defective?
No, this is a known possibility. The BCM and the airbag system (SDM) need to be synchronized. A procedure called ‘Setup SDM Primary Key in BCM’ must be performed with a professional-grade diagnostic tool to clear the light. This is a security feature, not a part defect.
How difficult is the installation?
The physical replacement is straightforward for a DIYer with basic tools, usually involving removing some dash panels to access the module. The key is to be aware that some post-installation electronic procedures, like an airbag sync or brake sensor relearn, may be necessary depending on your specific model.
How do I know if this is the right part for my truck?
This module is a direct replacement for multiple part numbers, including 16257125 and 09366801. Please check the fitment list on this page and match it to your vehicle’s year, make, and model. Providing us with your VIN at checkout guarantees we program the correct file for your exact vehicle.