Are you chasing down bizarre electrical gremlins in your truck? Flickering lights, power windows with a mind of their own, or a security light that won’t turn off are classic signs of a failing Body Control Module (BCM). As the central hub for your vehicle’s body electronics, when the BCM goes bad, it can cause a host of frustrating and seemingly unrelated problems. This isn’t just an annoyance; it can affect the proper function of critical systems. This is the reliable, straightforward fix you’ve been looking for.
We offer a dependable Body Control Module for your GM truck or SUV, a direct replacement for part numbers 9385236, 19208539, and 9371990. The biggest advantage? We handle the programming for you. Simply provide your vehicle’s VIN during checkout, and our technicians will flash the module with the latest GM-approved software specific to your truck’s options. This eliminates the need for an expensive trip to the dealership and turns a complicated job into a manageable one for a DIYer or a time-saver for a professional mechanic.
From the Diagnostic Bay: A Familiar Story
I remember a 2000 Sierra 2500 that rolled into my shop last fall. The owner was at his wit’s end. The radio would cut out, the dome light would stay on, and occasionally the ‘Service 4WD’ message would appear for no reason. He’d already replaced the battery and checked all the grounds. After hooking up my scan tool, I saw a handful of U-codes (communication errors) pointing to a network issue. The common link was the BCM. A failing BCM can’t properly talk to other modules, creating chaos on the vehicle’s data network. We installed a pre-programmed BCM just like this one, and within an hour, every single ghost in his machine was gone. This isn’t just a part; it’s a solution to a complex diagnostic headache.
Is Your Truck Showing These Symptoms?
- ✔ Erratic or non-working power windows, door locks, or interior lights.
- ✔ The security or anti-theft light stays on, preventing the engine from starting.
- ✔ Gauges on the instrument cluster behaving strangely or not working at all.
- ✔ Inconsistent horn or wiper operation.
- ✔ Diagnostic trouble codes (DTCs) related to lost communication with the BCM (e.g., U0140).
- ✔ False warning messages on the driver information center.
Your Straightforward BCM Installation Guide
Replacing the 2000 Silverado 2500 BCM is a job most people with basic tools can handle. It’s typically located under the driver’s side of the dashboard.
- Safety First: Always disconnect the negative terminal from your truck’s battery before working on any electronic components.
- Locate the BCM: On most 2000-era GM trucks, the BCM is a black plastic box with multiple large wiring connectors, located to the left of the steering column. You may need to remove a lower dash panel for access.
- Disconnect and Remove: Carefully unplug all wiring harnesses from the old module. They have release tabs that need to be pressed. Once disconnected, unbolt the module from its mounting bracket.
- Install the New Module: Bolt your new, pre-programmed BCM into place. Firmly reconnect all the wiring harnesses, ensuring each one clicks securely into its socket.
- Power Up and Test: Reconnect the negative battery terminal. Turn the key to the ‘On’ position and test all body functions—windows, locks, lights, wipers, etc.—to confirm proper operation.
Important Post-Installation Notes
Because this 2000 Silverado 2500 BCM is programmed to your VIN, it’s designed for a smooth installation. However, in some cases, additional vehicle-specific relearn procedures may be required:
- Airbag System Sync: If the airbag warning light is illuminated after installation, a ‘Setup SDM Primary Key in BCM’ procedure must be performed with a compatible high-level scan tool. This syncs the new BCM with the airbag system.
- Brake Pedal Position Relearn: On some models, a brake pedal position sensor recalibration might be necessary to ensure brake lights and traction control function correctly.
Disclaimer: We always recommend consulting a factory service manual or a certified technician if you are unsure about any step. No core charge is required; you can keep your old module.
Guaranteed Fitment for Your GM Vehicle
This module is a verified fit for the following vehicles with the specified options and part numbers. Please match your part number (9385236, 9371990, or 19208539) to ensure compatibility.
- ✔ 2000 Silverado 1500/2500 Pickup (LH dash)
- ✔ 2000 Sierra 1500/2500 Pickup (LH dash)
- ✔ 2000 Tahoe (LH dash)
- ✔ 2000 Yukon (exc. Denali, LH dash)
- ✔ 2000 Suburban 1500/2500 (LH dash)
- ✔ 2000 Yukon XL 1500/2500 (LH dash)
- ✔ 2001 S10/S15/Sonoma (center dash)
- ✔ 2001 Blazer S10/Jimmy S15 (center dash)
- ✔ 2001 Bravada (center dash)
- ✔ 2001 Astro / Safari (GMC) (LH dash)
Frequently Asked Questions
Do I need to get this BCM programmed by a dealer?
No. We program the module to the VIN you provide before shipping it. This makes the installation process much simpler and saves you from extra dealership fees and appointments.
Where is the BCM located on my 2000 Silverado 2500?
The Body Control Module is typically found under the driver’s side dashboard, to the left of the steering column. You will likely need to remove the plastic knee bolster panel to access it.
Why do you need my VIN?
Your Vehicle Identification Number (VIN) allows us to load the exact software and calibrations that your truck was built with. This ensures all your specific options (like power seats, security system, etc.) work correctly with the new BCM.
What is a core charge?
A core charge is a deposit that is refunded when you send your old part back. We make it simple: there is absolutely no core charge on this module. You can keep your old part.
What tools are needed for the installation?
Basic hand tools like a socket set and a screwdriver are usually all that’s needed to physically replace the module. However, if an airbag or brake relearn is required, a professional-grade diagnostic scan tool will be necessary to complete the procedure.
My airbag light is on after installing the new BCM. What do I do?
This is not uncommon. The new BCM needs to be electronically ‘introduced’ to the airbag system’s computer (SDM). This requires a ‘Setup SDM Primary Key in BCM’ procedure using a compatible scan tool to sync the systems and turn off the light.