If you’re dealing with bizarre electrical issues in your 2000 Chevy Suburban 1500 or another compatible GM truck, you’ve come to the right place. As a technician with over two decades of experience, I’ve seen firsthand how a failing Body Control Module (BCM) can turn a reliable vehicle into a source of constant frustration. Flickering lights, malfunctioning power windows, or a security system that acts on its own are classic signs that the BCM—the central hub for your vehicle’s body electronics—is on its way out. This isn’t just an annoyance; it can affect critical systems.
We offer a straightforward, reliable solution. This Body Control Module, compatible with service number 09385236, is meticulously prepared for your exact vehicle. Before we ship it, we flash the module with the latest GM-certified software using the VIN you provide. This critical step ensures that when you receive the part, it’s ready to integrate seamlessly with your truck’s specific options and systems, saving you a costly trip to the dealership for programming. This is the definitive fix for restoring order to your vehicle’s electronics.
Common Signs of a Failing GM BCM
- ✔ Erratic or non-functional interior and exterior lights (headlights, dome lights).
- ✔ Power windows, door locks, or mirrors working intermittently or not at all.
- ✔ The security or anti-theft system engaging randomly, preventing the vehicle from starting.
- ✔ Instrument cluster gauges behaving erratically or going dead.
- ✔ Horn sounding unexpectedly or not working when pressed.
- ✔ Communication-related Diagnostic Trouble Codes (DTCs), such as U0140, U0155, or other U-codes, stored in the system.
A Technician’s Notebook
I remember a 2000 Silverado that came into the shop with a classic BCM failure. The customer said his dome lights would stay on, draining the battery overnight, and his power locks had a mind of their own. He had already replaced the battery and checked fuses. After a quick scan, I saw a handful of U-codes pointing to a communication breakdown. The culprit was the BCM. We installed a VIN-programmed module just like this one, and it was like flipping a switch. All the strange electrical gremlins vanished instantly. This is why getting a pre-programmed 2000 Suburban 1500 BCM is so vital—it solves the root problem without creating new ones.
Your Step-by-Step BCM Installation Guide
- ✔ Safety First: Before you begin, disconnect the negative terminal from your vehicle’s battery to prevent any 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. You may need to remove a lower dash panel for access.
- ✔ Disconnect and Remove: Carefully unplug the electrical connectors from the old BCM. They have locking tabs that need to be depressed. Once disconnected, unbolt or unclip the module from its mounting bracket and remove it.
- ✔ Install the New Module: Mount your new, pre-programmed BCM into the bracket and securely plug in all the electrical connectors. Ensure they click into place.
- ✔ Reconnect and Test: Reconnect the negative battery terminal. Turn the key to the ‘On’ position and test all body functions: lights, windows, locks, horn, and wipers. Start the vehicle to ensure it runs correctly.
Important Post-Installation Information
While our VIN programming handles the majority of the setup, some vehicles may require additional steps to sync all systems perfectly. Please be aware of the following possibilities:
- Airbag System Sync: If your airbag warning light is illuminated after installation, a professional scan tool is needed to perform the ‘Setup SDM Primary Key in BCM’ procedure. 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 correct brake light and traction control operation.
- No Core Charge: We make it simple. There is no core charge for this part, so you can keep your old module without any hassle.
Disclaimer: Vehicle systems can vary. We always recommend consulting a factory service manual or a certified technician if you are unsure about any part of the process.
Verified Fitment for Your GM Truck or SUV
This module is a direct-fit replacement for vehicles requiring part numbers 09385236, 19208539, or 9371990. Please verify the part number on your original module to ensure compatibility. It fits the following models:
- ✔ 2000 Chevy/GMC Suburban 1500 & 2500
- ✔ 2000 Chevy/GMC Yukon & Yukon XL 1500/2500
- ✔ 2000 Chevy Tahoe
- ✔ 2000 Chevy Silverado & GMC Sierra 1500/2500 Pickup
- ✔ 2001 Chevy S10 / GMC Sonoma
- ✔ 2001 Chevy Blazer / GMC Jimmy
- ✔ 2001 Oldsmobile Bravada
- ✔ 2001 Chevy Astro / GMC Safari
After you place your order, you must provide us with your vehicle’s 17-digit VIN. We cannot program and ship the module without it. We will flash the BCM with the latest GM software matched to your VIN before shipping.
The physical installation is straightforward for someone with basic mechanical skills, typically involving removing a dash panel and a few bolts. Since we pre-program it, you avoid the most complex part of the job, which is the software setup.
No. This product comes with no core charge, so you are not required to send your original module back to us.
While the BCM communicates with many systems, a ‘Service 4WD’ light is more often related to the Transfer Case Control Module (TCCM) or a faulty encoder motor or switch. It’s best to diagnose that specific code first.
The Airbag System Sync and Brake Pedal Position Relearn require a bi-directional professional diagnostic tool, like a Snap-on Solus, Autel MaxiSYS, or a GM Tech 2. Basic code readers cannot perform these functions.