Restore Your Truck’s Electrical System with a Plug-and-Play Solution
If you’re dealing with bizarre electrical issues in your GMC or Chevy truck—like power windows with a mind of their own, intermittent door locks, or dashboard lights that flicker for no reason—you’re likely facing a failing Body Control Module (BCM). As the central command center for your truck’s body electronics, a faulty BCM can cause a cascade of frustrating and unpredictable problems. This replacement Body Control Module, compatible with part numbers 9371990, 19208539, and 9385236, is the reliable, straightforward fix you need.
Forget expensive dealership visits and the hassle of programming. We handle the critical first step for you. Simply provide your vehicle’s VIN at checkout, and our technicians will flash this module with the latest official GM software specific to your truck. This ensures that when it arrives, it’s ready for installation, saving you time, money, and the need for specialized programming tools. Get your truck’s essential functions back to factory-spec reliability.
A Technician’s Notebook: The Case of the Haunted Silverado
I once had a 2000 Silverado 2500 in the bay that was driving its owner crazy. The radio would turn on and off, the dome light would stay on, and the power locks would cycle while driving. He’d already replaced the battery and checked all the fuses. After hooking up the scan tool, I saw a slew of U-codes (communication errors) pointing to a network problem. The culprit? A BCM with internal corrosion from a minor windshield leak. Swapping in a pre-programmed BCM like this one solved every single issue in under an hour. These modules are the root cause of electrical gremlins more often than people think.
Is Your Truck Showing These Symptoms?
A failing BCM can manifest in numerous ways. If you’re experiencing any of the following, this module is the likely solution for your 2000 Sierra 2500 BCM problems:
- ✔ Erratic or non-functional power windows, door locks, or mirrors.
- ✔ Interior or exterior lights that don’t work correctly (e.g., dome light stays on, headlights flicker).
- ✔ The security or anti-theft system preventing the truck from starting.
- ✔ Inconsistent or failed communication between various electronic modules (often triggering U-series DTCs).
- ✔ Horn or alarm sounding unexpectedly.
- ✔ Malfunctioning instrument cluster gauges or warning lights.
A Straightforward Guide to Your BCM Installation
Replacing the BCM is a manageable job for a DIYer with basic tools. Our pre-programming service eliminates the most difficult step. Follow this general guide for a smooth installation:
- Safety First: Always disconnect the negative terminal from your truck’s battery to prevent electrical shorts.
- Locate the BCM: On most of these GM trucks and SUVs, the BCM is located under the driver’s side of the dashboard, to the left of the steering column.
- Remove Trim Panels: You may need to remove the lower dash panel or knee bolster to gain clear access to the module.
- Disconnect and Remove: Carefully unplug the electrical connectors from the old BCM. They have locking tabs that need to be depressed. Once disconnected, unbolt the module from its mounting bracket.
- Install the New Module: Bolt the new, pre-programmed BCM into place. Securely plug in all the electrical connectors, ensuring they click into place.
- Reconnect and Test: Re-install any trim panels you removed. Reconnect the negative battery terminal. Turn the key to the ‘On’ position and test all body functions—windows, locks, lights, wipers, etc.
Important Post-Installation Notes
While our programming handles the heavy lifting, some vehicles may require simple relearn procedures after installation:
- Airbag System Sync: If the airbag warning light is on after installation, a professional scan tool is needed to perform the “Setup SDM Primary Key in BCM” procedure to sync the systems. This is only necessary if the light appears.
- Brake Pedal Position Relearn: On some models, a brake pedal position sensor recalibration might be required to ensure correct brake light and traction control operation.
We also make it easier on your wallet: there is no core charge for this module. You can keep your original part without needing to send it back.
Will This Fit My Vehicle?
This module is a direct-fit replacement for a wide range of GM vehicles. Please verify your vehicle and original part ID from the list below to ensure compatibility. This part is a reliable replacement for service numbers 19208539, 9371990, and 9385236.
- 2000 Chevy/GMC Trucks & SUVs (ID 9385236 or 9371990): Silverado 1500/2500, Sierra 1500/2500, Tahoe, Yukon (exc. Denali), Suburban 1500/2500, Yukon XL 1500/2500
- 2001 Chevy/GMC/Olds Mid-Size (ID 9385236): S10/S15/Sonoma, Blazer S10/Jimmy S15, Bravada
- 2001 Chevy/GMC Vans: Astro, Safari (GMC)
Frequently Asked Questions
Why do you need my VIN?
Your Vehicle Identification Number (VIN) allows our technicians to program the BCM with the exact software and settings for your truck’s specific configuration. This ensures seamless integration and proper function of all features, just like a new part from the factory.
Is this a difficult part to install myself?
The physical replacement is straightforward for most DIY mechanics. It typically involves removing a dash panel and unplugging a few connectors. Since we handle the programming, you avoid the most complex part of the job that would otherwise require a dealership visit.
What happens if my airbag light comes on after installation?
This can happen occasionally as the new BCM needs to sync with the airbag’s SDM (Sensing and Diagnostic Module). A repair shop or a technician with a high-level scan tool can perform the ‘Setup SDM Primary Key in BCM’ procedure to resolve this.
Do I have to send my old BCM back?
No. We do not require a core return for this part. You can keep your old module, saving you the time and expense of shipping it back.
Will this fix my truck not starting?
A failing BCM can often cause a no-start condition, especially if it relates to the Passlock anti-theft system. If the BCM is the source of the security system malfunction, this part will resolve the issue.