Restore Your Truck’s Electrical System with a Plug-and-Play Solution
Are you chasing electrical gremlins in your 2000 GM truck or SUV? Flickering interior 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, a faulty BCM can cause a cascade of frustrating and seemingly unrelated issues. I’ve seen it hundreds of times in the shop: a customer comes in thinking they have multiple separate problems, when in reality, it’s all pointing back to this single component.
This isn’t just a replacement part; it’s a direct-fit, reliable fix. We take the guesswork and dealership hassle out of the equation. Simply provide us with your vehicle’s VIN after purchase, and we will program this module with the latest GM software specifically for your truck. This ensures all factory-intended functions work correctly right out of the box, saving you from expensive programming fees and a trip to the service center.
A Technician’s Notebook
I remember a 2000 Yukon that came into my bay with a complaint of the battery draining overnight. The owner had already replaced the battery and alternator. We checked for parasitic draw and found a significant one, but couldn’t pinpoint it to a specific fuse. The dome lights would also flicker randomly. After checking the basics, we scanned the BCM and found multiple communication errors. A failing BCM wasn’t shutting down all the accessory circuits properly after the key was off, causing the drain. Installing a freshly programmed 2000 Tahoe Body Control Module like this one solved both the battery drain and the flickering lights in one shot. It’s a perfect example of how one part can be the root of many headaches.
Is Your Truck Showing These Symptoms?
A failing BCM can manifest in many ways. If you’re experiencing any of the following, this module is likely the solution you need:
- ✔ Erratic or non-functional power windows and door locks.
- ✔ Interior or exterior lights that flicker, stay on, or don’t work at all.
- ✔ The security or anti-theft system light stays illuminated, preventing the vehicle from starting.
- ✔ Inconsistent or non-working dashboard gauges.
- ✔ The radio or climate control system behaves unpredictably.
- ✔ Diagnostic trouble codes (DTCs) related to communication errors, such as U-series codes (e.g., U1000, U1016).
A Straightforward Guide to Installation
Replacing your BCM is a job most DIYers can handle with basic tools. Our pre-programming service makes it even simpler. Follow these steps to get your truck back to 100%.
- Safety First: Always disconnect the negative terminal from your vehicle’s battery before working on any electrical components.
- Locate the BCM: On these GM models, the Body Control Module is typically 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.
- 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 functions: power windows, locks, interior lights, radio, and wipers.
Important Post-Installation Notes
While our programming handles the heavy lifting, 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 on after installation, a professional scan tool is needed to perform the ‘Setup SDM Primary Key in BCM’ procedure. This syncs the airbag system with the new BCM and is only necessary if the light appears.
- Brake Pedal Position Relearn: On some models, a brake pedal position sensor recalibration might be needed to ensure correct brake light operation and traction control performance.
Will This Fit My Truck?
This module is a guaranteed fit for the following vehicles, provided the part number on your original module is 9377486. It also directly replaces part numbers 16257155 and 15136876.
- 2000 Chevrolet Tahoe (Body Control Module; LH dash, ID 9377486)
- 2000 Chevrolet Suburban 1500 (Body Control Module; LH dash, ID 9377486)
- 2000 Chevrolet Suburban 2500 (Body Control Module; LH dash, ID 9377486)
- 2000 GMC Yukon (exc. Denali; Body Control Module; LH dash, ID 9377486)
- 2000 GMC Yukon XL 1500 (Body Control Module; LH dash, ID 9377486)
- 2000 GMC Yukon XL 2500 (Body Control Module; LH dash, ID 9377486)
Frequently Asked Questions
2000 Tahoe Body Control Module
Do I need to do any programming myself?
No. This is fully programmed to your vehicle’s VIN before it ships. It arrives ready for installation.