Restore Full Electrical Function to Your GM Truck
Are you battling bizarre electrical issues in your 2000 GM truck or SUV? Flickering lights, malfunctioning power windows and locks, a persistent security light, or even a no-start condition can often be traced back to a single culprit: a failing Body Control Module (BCM). The BCM acts as the central command center for your vehicle’s body electronics. When it fails, it can create a cascade of frustrating and seemingly unrelated problems. This replacement BCM is the definitive solution to restore your vehicle’s factory functions and reliability.
This isn’t just a replacement part; it’s a complete, ready-to-install solution. We pre-program this module to your vehicle’s specific Vehicle Identification Number (VIN) before it ships. This critical step ensures compatibility with your truck’s specific options and systems, eliminating the need for an expensive trip to the dealership for programming. Simply provide your VIN at checkout, and we’ll handle the rest.
From the Diagnostic Bay
We had a 2000 Yukon in the shop that was driving the owner crazy. The battery would die overnight, the radio would randomly turn on, and the power door locks had a mind of their own. The owner had already replaced the battery and alternator with no luck. After a quick diagnostic scan, we saw multiple communication errors pointing to the BCM. We installed a VIN-programmed module just like this one, and it was like flipping a switch. The parasitic draw was gone, the locks worked perfectly, and all the strange electrical gremlins vanished. It’s amazing how many systems this one module controls.
Common Symptoms of a Failing BCM
- ✔ Erratic or non-functional interior and exterior lights.
- ✔ Power windows, mirrors, or door locks working intermittently or not at all.
- ✔ The anti-theft or security light stays on, preventing the engine from starting.
- ✔ Horn honking unexpectedly or not working when pressed.
- ✔ Wipers activating on their own or not turning on.
- ✔ Unexplained battery drain (parasitic draw) when the vehicle is off.
- ✔ False warnings or messages on the instrument cluster.
Installation and Setup for Your 2000 Suburban BCM
Installation is straightforward. The BCM is typically located on the left-hand (driver’s) side of the dashboard. Once you’ve swapped the module, most functions should be immediately restored. However, depending on your vehicle’s specific configuration, a couple of additional steps may be necessary:
- Airbag System Sync: If the 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. This is only required if the light appears.
- Brake Pedal Position Relearn: Some models may require a brake pedal position sensor recalibration to ensure proper brake light and traction control operation.
This module is a direct replacement for part numbers 16257155, 15136876, 09377486, and 9377486 and fits the following vehicles:
- 2000 Suburban 2500
- 2000 Tahoe
- 2000 Yukon XL 1500
- 2000 Suburban 1500
- 2000 Yukon (excluding Denali)
- 2000 Yukon XL 2500
Frequently Asked Questions
What is a BCM and what does it do?
The Body Control Module (BCM) is a computer in your vehicle that manages and controls electronic accessories like power windows, locks, lights, wipers, the security system, and more. It’s the brain for your truck’s comfort and convenience features.
Do I need to program this BCM?
No. This BCM comes fully programmed to your vehicle’s VIN before we ship it. This saves you a trip to the dealer and ensures it works correctly with your truck’s specific options right out of the box.
Is this a simple plug-and-play installation?
For most vehicles, yes. Because it is pre-programmed, you just need to install it. However, in some cases, a post-installation procedure like an airbag system sync or brake pedal relearn may be required, which would necessitate a professional scan tool.
What happens if I forget to provide my VIN?
We cannot ship the module without your VIN. The programming is essential for the part to function correctly in your vehicle. We will contact you to get the VIN before we can process your order.
Will this fix my security light and no-start problem?
A faulty BCM is a very common cause of a persistent security light and the resulting no-start condition in these GM trucks. While this module is designed to correct that issue, we always recommend confirming the diagnosis before purchasing any parts.