Restore Your Truck’s Electrical System with a Reliable, Programmed BCM
If you’re dealing with the frustrating and unpredictable electrical problems common in early 2000s GM trucks, you’re not alone. As a technician with over two decades of experience, I’ve seen countless Silverados, Sierras, and Tahoes with flickering lights, dead power windows, or a security light that just won’t turn off. More often than not, the culprit is a failing Body Control Module (BCM). This isn’t just an inconvenience; it can affect your vehicle’s security and even its ability to start. This replacement BCM is the definitive solution to get your truck’s essential functions working correctly again.
This isn’t just a part off a shelf. We take the hassle out of the repair by programming this module specifically for your vehicle using your VIN. This ensures all the factory options your truck came with are recognized and operate as they should. We flash it with the latest GM software updates, which often correct the very bugs that caused the original module to fail. By installing this direct-fit 2000 Silverado 1500 BCM, you’re not just replacing a part—you’re getting a more stable and reliable component that restores factory performance.
Case Study: A Tricky Diagnosis
A customer brought in his 2000 Sierra with a classic complaint: the dome lights would stay on, draining the battery overnight, and the power locks worked only when they wanted to. He had already replaced the battery and checked all the fuses. After connecting my scan tool, I noticed several ‘U’ codes, indicating a loss of communication between modules. This is a tell-tale sign of a BCM failure. Instead of a costly diagnostic hunt, we installed a VIN-programmed BCM. The communication errors vanished, the lights and locks worked perfectly, and the customer drove away with a reliable truck and a bill that was a fraction of the dealership’s quote.
Is Your Silverado Showing These Electrical Issues?
- ✔ Power windows, door locks, or mirrors operating intermittently or not at all.
- ✔ Interior or exterior lights flickering, staying on, or not turning on.
- ✔ The security or anti-theft light is illuminated, causing a no-start condition.
- ✔ The radio or instrument cluster displays behave erratically.
- ✔ False warning messages appearing on the driver information center.
- ✔ Diagnostic Trouble Codes (DTCs) like U1000, U1016, or various B-series codes related to body systems.
Your Straightforward BCM Installation Guide
Installing your new 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 truck’s battery before working on any electrical components.
- Locate the BCM: On most 2000 GM full-size trucks, the BCM is mounted to a bracket to the left of the steering column, behind the lower dash panel.
- Remove Connectors: Carefully unplug the multiple electrical harness connectors from the old module. They have locking tabs that need to be depressed to be released. Do not force them.
- Swap the Module: Unbolt or unclip the old BCM from its mounting bracket and set it aside. Mount your new, pre-programmed BCM in its place.
- Reconnect and Test: Plug all the electrical connectors firmly into the new module. Reconnect the battery terminal and turn the key to the ‘On’ position. Test your lights, locks, windows, and other body functions to confirm the repair.
Important Post-Installation Steps
Because this 2000 Silverado 1500 BCM is pre-programmed, most functions should work immediately. However, depending on your vehicle’s specific systems, a couple of additional steps, known as relearn procedures, might be necessary. These procedures sync the new BCM with other modules in your truck.
- ✔ Airbag System Sync: If your airbag warning light is on after installation, a professional scan tool is needed to perform the “Setup SDM Primary Key in BCM” procedure. This is a security measure that ensures the airbag system communicates correctly with the new BCM.
- ✔ Brake Pedal Position Relearn: Some models may require a brake pedal position sensor recalibration to ensure brake lights and traction control work properly. This may also require a compatible scan tool.
Disclaimer: Vehicle systems vary. We always recommend consulting a factory service manual or a qualified technician if you are unsure about any step.
Verified Fitment For These GM Models
This module, identified by part numbers 9385236, 19208539, or 9371990, is a direct-fit replacement for 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
Frequently Asked Questions
Frequently Asked Questions
Why do you need my VIN number?
Your Vehicle Identification Number (VIN) allows us to program the BCM with the exact software and vehicle options that your truck was built with. This ensures seamless integration and proper function of all body electronics, saving you a trip to the dealership for expensive programming.
Is this part truly plug-and-play?
For most functions, yes. Because it’s pre-programmed to your VIN, it’s designed to work right out of the box. However, as noted in the description, certain security-related systems like the airbag or brake position sensor may require a simple relearn procedure with a professional scan tool if a warning light appears.
What happens if the airbag light is on after I install it?
This indicates the new BCM needs to be synced with the airbag’s Sensing and Diagnostic Module (SDM). A repair shop or a technician with a high-level scan tool will need to perform the ‘Setup SDM Primary Key in BCM’ procedure to resolve this.
Do I have to send my old BCM back?
No. There is absolutely no core charge for this part. You can keep your original module, which simplifies the process and saves you the hassle and cost of return shipping.
Where is the BCM located on a 2000 Silverado 1500?
On the 2000 Silverado 1500, the Body Control Module is located under the dashboard on the driver’s side, typically to the left of the steering column.
Will this fix my intermittent power window and lock problems?
A failing BCM is the most common cause for these exact symptoms on this generation of GM trucks. While we can’t diagnose your vehicle remotely, replacing a faulty BCM with this programmed unit is the correct repair for these issues in the vast majority of cases.