Restore Full Functionality to Your GM SUV
Are you tired of chasing electrical gremlins in your 2000 Tahoe, Suburban, or Yukon? From flickering lights and malfunctioning power windows to a security system that has a mind of its own, a failing Body Control Module (BCM) can turn your reliable truck into a source of daily frustration. As a technician with over two decades of experience, I’ve seen how a faulty BCM can cause a cascade of confusing issues that even seasoned mechanics can misdiagnose. This isn’t just an inconvenience; it can affect your vehicle’s safety and security.
This is your direct-fit, permanent solution. We offer a genuine Body Control Module, part number 16257155, that arrives at your door pre-programmed with the latest GM software updates. All we need is your vehicle’s VIN at checkout. This critical step ensures the module communicates flawlessly with your truck’s existing systems, saving you from expensive dealership programming fees and diagnostic headaches. Get your truck back to the reliable workhorse it was meant to be.
A Technician’s Notebook
Just last month, a 2000 Yukon XL was towed to my shop. The owner was at his wit’s end. The radio would turn on by itself, the dome lights wouldn’t turn off, and the security light was flashing, preventing the engine from starting intermittently. He had already replaced the battery and checked all the fuses. After connecting my scan tool, I saw a dozen communication error codes, all pointing back to one culprit: the BCM. Instead of a complex rewiring job, the fix was this exact pre-programmed 2000 Tahoe BCM. Once installed, every single electrical gremlin vanished. It’s a common failure point on these otherwise bulletproof trucks, and a pre-programmed module is the most efficient fix.
Is Your SUV Showing These Signs of BCM Failure?
- ✔ Erratic or non-functional power windows, door locks, or mirrors.
- ✔ Interior or exterior lights staying on or not turning on at all.
- ✔ The security system light flashing, causing a no-start condition.
- ✔ The horn honking randomly or the alarm sounding without reason.
- ✔ Inaccurate or dead gauges on the instrument cluster.
- ✔ Problems with the radio or climate control functions.
Your Straightforward Installation Guide
Installing your new BCM is a manageable job for a confident DIYer. Follow these steps to ensure a smooth process. Remember to perform the post-installation procedures for full functionality.
- Safety First: Always disconnect the negative terminal from your vehicle’s battery before starting any electrical work.
- Locate the BCM: On these GM trucks, the BCM is typically located on the driver’s side of the dashboard, often behind the lower dash panel near the steering column.
- Remove Trim Panels: Carefully remove any plastic trim panels necessary to access the module. They are usually held in with clips or a few screws.
- Disconnect and Remove: Unplug the electrical connectors from the old BCM. They have locking tabs that need to be depressed. Once disconnected, unbolt or unclip the old module from its mounting bracket.
- Install the New BCM: Mount your new, pre-programmed BCM in the same location and reconnect all the electrical harnesses securely. Ensure they click into place.
- Reconnect Battery: Re-attach the negative battery terminal.
- CRITICAL – Post-Installation Steps: After installation, you must perform two key procedures. First, use a capable diagnostic tool to run the ‘Setup SDM Primary Key in BCM’ function to clear the airbag light. Second, some vehicles may require a brake pedal position sensor recalibration for proper brake light and ABS operation. If you are unsure, consult a professional.
Verified Fitment for Your GM SUV
This module is a direct replacement for several part numbers and is guaranteed to fit the following vehicles. Please verify your original part number or consult the list below. This part replaces part numbers: 16257155, 15136876, 09377486, 9377486.
- ✔ 2000 Chevrolet Tahoe: Body Control (BCM); (LH dash), ID 9377486
- ✔ 2000 GMC Yukon: Body Control (BCM); (LH dash), exc. Denali, ID 9377486
- ✔ 2000 Chevrolet Suburban 1500 & 2500: Body Control (BCM); (LH dash), ID 9377486
- ✔ 2000 GMC Yukon XL 1500 & 2500: Body Control (BCM); (LH dash), ID 9377486
Frequently Asked Questions about the 2000 Tahoe BCM
What exactly does a Body Control Module do?
The BCM is the central computer for your vehicle’s body electronics. It controls non-engine related functions like power windows, locks, lights, the security system, wipers, and the radio. When it fails, these systems can behave erratically.
Why do you need my VIN number?
Your Vehicle Identification Number (VIN) allows us to program the BCM with the specific software and settings for your truck’s exact configuration. This makes the installation plug-and-play and ensures all features work correctly without a trip to the dealer.
Will I need to do any programming myself?
No. The module arrives fully programmed to your vehicle. However, you will need to perform a couple of post-installation relearn procedures, such as the ‘Setup SDM Primary Key’ for the airbag system, which requires a bi-directional scan tool.
What tools are needed for the post-installation procedures?
To reset the airbag light (‘Setup SDM Primary Key’) and perform a brake pedal recalibration, you will need a professional-grade, bi-directional diagnostic scan tool. Many local repair shops can perform this service for you if you don’t own one.
Is this part difficult to install at home?
For someone with basic mechanical skills, the physical replacement is straightforward. It involves removing a few dash panels and unplugging connectors. The most critical part is ensuring the post-installation relearn procedures are completed correctly for safety and functionality.