If you’re dealing with bizarre electrical gremlins in your GM truck or SUV, 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 frustrating puzzle. One day the power windows work, the next they don’t. The security light flashes for no reason, or worse, the vehicle won’t start at all. This isn’t just an inconvenience; it’s a breakdown of your vehicle’s central nervous system for body electronics.
This replacement Body Control Module is the definitive solution for your 2000 Suburban 1500 BCM and other compatible GM models. We take the guesswork and hassle out of the repair. Before we ship it, we program the module with the latest GM software updates using the VIN you provide. This ensures perfect communication between the BCM and your vehicle’s other systems, restoring full functionality without a costly trip to the dealership for programming.
A Technician’s Notebook
I remember a 2000 Silverado 1500 that came into my bay with a list of symptoms that seemed unrelated. The dome light wouldn’t turn off, the radio presets kept resetting, and the horn would chirp randomly when locking the doors. The owner had already replaced the battery and checked fuses. After connecting my scan tool, I found a slew of communication errors pointing back to one component: the BCM. It was intermittently losing power internally, causing chaos across the low-speed data network. Replacing it with a pre-programmed unit like this one solved every single issue in under an hour. It’s a common failure I’ve diagnosed hundreds of times on these GMT800 platform trucks.
Is Your Truck Showing These Symptoms?
A faulty BCM can manifest in numerous ways. If you’re noticing any of the following, it’s a strong indicator that your module needs replacement:
- ✔ Erratic or non-functional power windows, door locks, and mirrors.
- ✔ Interior or exterior lights staying on or not working at all.
- ✔ The security or anti-theft light is on, potentially causing a no-start condition.
- ✔ Horn, radio, or climate control malfunctions.
- ✔ False warning messages on the driver information center.
- ✔ Communication-related Diagnostic Trouble Codes (DTCs) like U0140 stored in other modules.
A Straightforward Guide to BCM Installation
Replacing the BCM is a job most DIY enthusiasts can handle with basic tools. Our pre-programmed module makes it a simple swap.
- Safety First: Always disconnect the negative terminal from your vehicle’s battery and wait a few minutes to ensure all systems are powered down.
- Locate the BCM: On most compatible models like the Suburban, Tahoe, and Silverado, the BCM is located under the driver’s side of the dashboard, to the left of the steering column.
- Remove the Old Module: Carefully unplug the electrical connectors. They have locking tabs that need to be depressed. Once disconnected, unbolt or unclip the module from its mounting bracket.
- Install the New Module: Mount your new, pre-programmed BCM in the same location. Securely reconnect all electrical connectors, ensuring they click into place.
- Reconnect and Test: Reconnect the negative battery terminal. Turn the key to the ‘On’ position and test all body functions—windows, locks, lights, etc.—to confirm the repair.
Important Post-Installation Steps
While our programming handles the critical setup, some vehicle systems may require a ‘handshake’ with the new BCM. Please be aware of the following potential procedures:
- ✔ 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 operation and traction control functionality.
Disclaimer: Specific requirements can vary. We always recommend consulting a factory service manual or a qualified professional for guidance.
Will This Fit My Vehicle?
This BCM is a direct replacement for service numbers 09385236, 19208539, and 9371990. We guarantee compatibility with the following models and options:
- ✔ 2000 Chevy Silverado & GMC Sierra 1500/2500
- ✔ 2000 Chevy Tahoe & Suburban 1500/2500
- ✔ 2000 GMC Yukon & Yukon XL 1500/2500 (exc. Denali)
- ✔ 2001 Chevy S10 & GMC Sonoma
- ✔ 2001 Chevy Blazer & GMC Jimmy S15
- ✔ 2001 Oldsmobile Bravada
- ✔ 2001 Chevy Astro & GMC Safari
Frequently Asked Questions
Do I need to send my old BCM back?
No. This purchase has no core charge. You can keep your original module.
Is this module truly plug-and-play?
Yes, for the vast majority of functions. We program it to your VIN so it’s ready for installation. However, as noted, certain systems like the airbag or brake sensor may require a simple relearn procedure with a scan tool in specific situations.
What information do you need from me?
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.
What’s the difference between this and a part from a junkyard?
A junkyard BCM will be programmed for a different vehicle, causing compatibility issues or disabling features. Our module is professionally tested and programmed specifically for your truck with the latest GM software, ensuring a reliable, long-term fix.