Restore Your Truck’s Electrical System to Perfect Health
Are you battling bizarre and frustrating electrical issues in your GMC Yukon, Sierra, or Silverado? Flickering lights, unresponsive power windows, a temperamental security system, or intermittent starting problems are all classic signs of a failing Body Control Module (BCM). This vital component is the central hub for your truck’s body electronics, and when it falters, it can make your reliable vehicle feel unpredictable. Stop guessing and replace the real source of the problem with this professionally programmed BCM, designed to get you back on the road with confidence.
Common Symptoms & Your Solution
If you’re experiencing any of the following, a failing BCM is the most likely culprit. This unit is the definitive solution for:
- Interior or exterior lights acting erratically (staying on, not turning on, or flickering)
- Power windows, door locks, or mirrors working intermittently or not at all
- The security system engaging randomly or preventing the engine from starting (PassLock issues)
- Inaccurate or non-functional gauges on the instrument cluster
- Warning lights (like the airbag light) appearing without a clear cause
- Diagnostic Trouble Codes (DTCs) related to communication loss with various modules
This isn’t just a replacement part; it’s a complete, ready-to-install solution. We flash the module with the latest GM software updates and program it specifically to your vehicle’s VIN before it ships. This critical step ensures seamless communication with your truck’s other electronic systems, saving you a costly trip to the dealership for programming.
Features & Benefits
- ✔ VIN-Programmed for Your Truck: Arrives ready for installation, bypassing the need for expensive dealer-only programming tools.
- ✔ Restores Full Functionality: Get your power accessories, lighting, and security systems working like new again.
- ✔ No Core Charge: A simple, straightforward purchase. You can keep your old, faulty module without any extra fees or hassle.
- ✔ Broad Compatibility: A direct-fit replacement for service numbers 9385236, 19208539, and 9371990, fitting a wide range of GM trucks and SUVs.
- ✔ Peace of Mind Included: This unit is backed by our one-year replacement warranty.
Expert Insight: The Brains Behind the Brawn
The GMT800 platform, which includes your 2000 GMC Yukon, is legendary for its durability. However, the electronics of that era can be a weak point over time. The BCM acts as a traffic cop for dozens of electronic signals—from the simple press of a window switch to the complex data from the airbag system. When it fails, the signals get crossed, leading to the chaotic symptoms you’re seeing. By installing a fresh, correctly programmed 2000 GMC Yukon Body Control Module, you’re not just fixing a symptom; you’re restoring the central nervous system of your truck’s interior electronics, ensuring it remains the reliable workhorse it was built to be.
Installation & Post-Install Notes
The BCM is typically located on the driver’s side, under the dashboard. While installation is a plug-and-play process, please be aware of the following potential post-installation procedures:
- Airbag System Sync: If your airbag warning 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 module.
- Brake Pedal Position Relearn: On some models, a brake pedal position sensor recalibration may be needed to ensure proper brake light and traction control operation.
We always recommend consulting a factory service manual or a qualified technician if you are unsure about any step of the process. A proper installation of your new 2000 GMC Yukon Body Control Module is key to its long-term performance.
Frequently Asked Questions
Why do you need my VIN number?
Your Vehicle Identification Number (VIN) allows us to program the Body Control Module with the exact software and calibrations your specific truck requires. This ensures all features, from your power locks to your security system, work correctly right out of the box, saving you from a mandatory and expensive programming session at a dealership.
Is this a difficult part to install myself?
For someone with basic mechanical skills, the physical replacement is straightforward. The BCM is usually under the driver’s side dashboard and held in by a few bolts or clips. The main challenge can be the potential need for post-install electronic procedures, like the airbag system sync, which requires a professional-grade scan tool.
What happens if the airbag light comes on after I install it?
This is a known possibility. It means the new BCM needs to be electronically ‘introduced’ to your vehicle’s airbag control module (SDM). A repair shop with a high-end diagnostic tool can perform the ‘Setup SDM Primary Key in BCM’ procedure in a few minutes to resolve this.
Will this fix my ‘Service 4WD’ light?
While the BCM communicates with many systems, issues with the 4WD system are more often related to the Transfer Case Control Module (TCCM), the encoder motor, or the switch in the dash. This BCM is unlikely to solve a ‘Service 4WD’ message.
Is this a new or used part?
This is a high-quality, inspected, and tested recycled OEM part that has been expertly programmed for your vehicle. It provides the same form, fit, and function as the original module. Using an OEM unit ensures perfect compatibility with your truck’s existing systems.
Do I have to send my old BCM back?
No, there is no core charge for this part. You can keep, recycle, or dispose of your original module at your convenience.