If you’re battling bizarre electrical problems in your 2000 Chevrolet Silverado 1500 or another compatible GM truck, you’ve likely met your culprit: a failing Body Control Module (BCM). As a technician with over two decades of experience, I’ve seen it all—flickering dash lights, power windows with a mind of their own, and security systems that randomly prevent the truck from starting. These aren’t just annoyances; they’re symptoms of a failing electronic nerve center. This Body Control Module, part number 09385236, is the definitive solution, arriving at your door pre-programmed to your truck’s specific VIN.
The biggest headache with replacing a BCM has always been the expensive trip to the dealership for programming. We eliminate that step entirely. Simply provide us with your vehicle’s VIN during checkout, and our experts will flash this module with the latest GM software updates. This ensures all factory-installed options on your truck work seamlessly from the moment you plug it in. This isn’t just a replacement part; it’s a restoration of your vehicle’s reliability and functionality.
Common Signs of a Failing GM Body Control Module
- ✔ Erratic or non-functional interior/exterior lights (headlights, dome lights, dash lights).
- ✔ Power windows, door locks, or mirrors operating intermittently or not at all.
- ✔ The security or anti-theft system light stays on, potentially causing a no-start condition.
- ✔ The radio or climate control system behaves unpredictably.
- ✔ False warning messages on the driver information center (DIC).
- ✔ Diagnostic Trouble Codes (DTCs) such as U1000, U0140, or other communication-related faults.
Case Study: A Tricky Diagnosis
I remember a 2000 Yukon XL that came into the shop with a classic ‘gremlin’. The owner complained of a parasitic battery drain that left him stranded twice. We checked the alternator and battery, which were fine. After hours of diagnostics, we traced the drain to the BCM, which was failing to let other modules go to ‘sleep’ after the key was off. Replacing the BCM fixed the drain, but the real win for the customer was getting a pre-programmed unit. It saved him the time and cost of having the vehicle towed to a dealer for software setup. This is the exact, hassle-free solution we offer here.
Your Straightforward BCM Installation Guide
Replacing the 2000 Silverado BCM is a manageable job for a confident DIYer. The module is typically located under the driver’s side of the dashboard.
- Safety First: Always disconnect the negative terminal from your vehicle’s battery and wait 10-15 minutes before beginning work.
- Locate the BCM: On most of these trucks and SUVs, it’s found to the left of the steering column, often attached to a metal bracket. You may need to remove a lower dash panel for access.
- Disconnect and Remove: Carefully unplug the multiple electrical connectors. They have locking tabs that need to be depressed. Once disconnected, unbolt or unclip the old module from its mounting location.
- Install the New Module: Mount your new, pre-programmed BCM in the same position as the old one. Securely plug in all the 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: lights, locks, windows, radio, etc.
Important Post-Installation Steps
Because this module is central to many systems, a couple of quick relearn procedures may be needed depending on your specific vehicle. Don’t be alarmed if you see a warning light initially.
- Airbag System Sync: If your airbag light is on after installation, a professional scan tool is required to perform the “Setup SDM Primary Key in BCM” procedure. This syncs the new BCM with the airbag system.
- Brake Pedal Position Relearn: Some models may require a brake pedal position sensor recalibration to ensure brake lights and traction control function correctly.
Disclaimer: We are committed to your success. Always consult a factory service manual for procedures specific to your vehicle. No core charge is required; you can keep your old module.
Verified Fitment for Your GM Truck or SUV
This module is a direct replacement for service numbers 09385236, 19208539, and 9371990. It is guaranteed to fit the following vehicles:
- ✔ 2000 Chevrolet Silverado 1500 / 2500 Pickup
- ✔ 2000 GMC Sierra 1500 / 2500 Pickup
- ✔ 2000 Chevrolet Tahoe & Suburban 1500 / 2500
- ✔ 2000 GMC Yukon & Yukon XL 1500 / 2500 (exc. Denali)
- ✔ 2001 Chevrolet S10 / Blazer S10
- ✔ 2001 GMC S15 Sonoma / Jimmy S15
- ✔ 2001 Oldsmobile Bravada
- ✔ 2001 Chevrolet Astro / GMC Safari
Do I need to send my VIN?
Yes. Providing your Vehicle Identification Number (VIN) is mandatory. We use it to program the module with the correct software and vehicle-specific options before shipping, ensuring a plug-and-play installation.
What does the Body Control Module do?
The BCM is the computer responsible for managing most of your vehicle’s non-engine-related electronics. This includes power windows, power locks, interior and exterior lighting, the security system, radio functions, and more.
Is this a difficult part to replace myself?
For someone with basic mechanical skills, it’s very manageable. The main challenge is accessing the module under the dashboard. Since we handle the programming, you avoid the most complex part of the job.
Will I need any special tools for the installation?
Basic hand tools (like a socket set and screwdrivers) are usually all that’s needed for the physical replacement. However, as noted, in some cases a professional-grade scan tool might be required for post-installation procedures like the airbag system sync.
Do I have to return my old BCM?
No. This purchase comes with no core charge, so you are not required to send your original module back to us.