Is Your Truck’s Electrical System Acting Up?
If you’re dealing with flickering lights, unresponsive power windows, or a security system that has a mind of its own, the problem may not be a series of isolated issues. These frustrating electrical gremlins often point to a single, central component: a failing Body Control Module (BCM). The BCM is the electronic brain for your vehicle’s body and accessory functions. When it starts to fail, it can cause a wide range of unpredictable and annoying problems. This replacement, VIN-programmed 2002 Tahoe Body Control Module is the definitive solution to restore full functionality and reliability to your truck.
From the Diagnostic Bay
We had a 2002 Yukon XL come in that was driving the owner crazy. The dome lights would randomly stay on, the driver’s side power seat would only move intermittently, and the radio would sometimes refuse to turn off after the key was removed. The owner had already replaced the battery and checked countless fuses. After hooking up our diagnostic scanner, we saw multiple communication fault codes all pointing back to the BCM. A quick swap with a pre-programmed module like this one, and every single issue vanished. It was a reminder of how this one module can be the source of so many seemingly unrelated problems.
Is Your Tahoe Exhibiting These Symptoms?
- ✔ Intermittent or non-working power windows, locks, or mirrors.
- ✔ Interior or exterior lights flickering, staying on, or not working at all.
- ✔ The security system or keyless entry failing to operate correctly.
- ✔ Erratic instrument cluster gauges or warning lights (like the airbag light).
- ✔ Radio or climate control systems behaving unpredictably.
- ✔ A “No Communication” error when a diagnostic scanner is connected to the vehicle.
Why Choose Our Pre-Programmed 2002 Tahoe Body Control Module?
This isn’t just a replacement part; it’s a complete, ready-to-install solution. We take the hassle and expense out of the repair process. When you order from us, you provide your vehicle’s VIN. Our technicians then program the module with the latest GM-certified software specific to your exact truck. This means no costly trips to the dealership for programming, no special tools required, and a much simpler installation process. Your new 2002 Tahoe Body Control Module arrives at your door ready to be installed.
Installation and Post-Install Considerations
The BCM is typically located under the driver’s side of the dashboard, near the steering column. Installation involves disconnecting the battery, removing a few trim panels, and carefully unplugging the electrical connectors from the old module and plugging them into the new one.
Important Note on Post-Installation Procedures: While our programming handles the majority of the setup, some vehicle systems may require a synchronization or relearn procedure after the new BCM is installed.
- Airbag System Sync: If your airbag warning light is illuminated after installation, a procedure called “Setup SDM Primary Key in BCM” will need to be performed with a professional-grade diagnostic tool. This syncs the new BCM with the airbag system’s Sensing and Diagnostic Module (SDM).
- Brake Pedal Position Relearn: In some cases, a recalibration of the brake pedal position sensor may be necessary to ensure correct operation of the brake lights and traction control system.
We also make the process easier with a No Core Charge policy. You can keep your original module without any extra fees or the hassle of shipping it back.
Guaranteed Fitment & Compatibility
This module is a direct replacement for several original equipment service numbers. Please verify your part number before ordering.
Compatible Service Numbers: 15063577, 15081857, 19208544, 15095335, DKAJ, DPNW
This part is confirmed to fit the following vehicles:
- 2002 Cadillac Escalade (4×4)
- 2002 Cadillac Escalade EXT
- 2002 Chevrolet Avalanche 1500 (4×4)
- 2002 Chevrolet Suburban 1500 (4×4)
- 2002 Chevrolet Tahoe (4×4)
- 2002 GMC Yukon (4×4)
- 2002 GMC Yukon XL 1500 (4×4)
Frequently Asked Questions
What does a Body Control Module (BCM) do?
The BCM acts as the central computer for your vehicle’s body electronics. It controls non-engine related functions like power windows, locks, lights, wipers, security system, and the instrument cluster.
Is this BCM truly plug-and-play?
For most vehicles, yes. Because we pre-program it to your VIN, it eliminates the need for dealer programming. However, as noted above, some systems like the airbag or brake sensor may require a simple relearn procedure with a diagnostic tool after installation.
Where do I find my vehicle’s VIN?
Your 17-digit Vehicle Identification Number (VIN) can be found on your vehicle’s registration, insurance card, or on a metal plate on the driver’s side dashboard visible through the windshield.
What happens if I don’t provide my VIN?
We cannot ship the module without your VIN. The programming is essential for the BCM to communicate correctly with your specific vehicle’s options and other onboard computers. We will contact you after your purchase to retrieve it.
Will this fix my specific electrical problem?
If your vehicle is exhibiting multiple symptoms from the list above, a faulty BCM is the most likely cause. However, we always recommend a proper diagnosis by a qualified technician to rule out other issues like bad wiring, switches, or grounds before ordering.