Restore Your Truck’s Electrical System to Perfect Working Order
Are you battling a frustrating series of electrical gremlins in your truck or SUV? One minute the power windows don’t work, the next the interior lights are acting possessed, or worse, the security light is flashing and the engine won’t start. These aren’t random glitches; they’re classic signs of a failing Body Control Module (BCM). As the central command center for your vehicle’s body electronics, a faulty BCM can disrupt your daily routine and make your dependable vehicle feel unreliable. This pre-programmed BCM is the definitive, hassle-free solution to get your vehicle back to 100%.
Common Symptoms & Your Solution
If you’re experiencing any of the following, a failing BCM is the most likely culprit. This module is the direct fix for:
- Power windows, door locks, or mirrors operating intermittently or not at all.
- Interior dome lights or dashboard lights staying on or not turning on.
- Erratic alarm or security system behavior (e.g., Passlock/Passkey issues).
- HVAC blower motor or controls not functioning correctly.
- Communication issues with other modules, leading to various warning lights.
Instead of a costly trip to the dealership for diagnostics and programming, we handle the complex part for you. Simply provide your vehicle’s VIN during checkout, and we will flash this BCM with the latest GM software specific to your exact build. This makes the installation process as straightforward as possible, restoring the full functionality you depend on every day. This is the correct module for your 2002 Tahoe BCM and a wide range of other GM vehicles.
Features & Benefits
- ✔ VIN-Programmed for Your Vehicle: We flash the module with your truck’s specific VIN, ensuring it communicates perfectly with your existing components right out of the box.
- ✔ Loaded with Latest GM Updates: Your new BCM comes with the most current software from General Motors, addressing known bugs and improving performance.
- ✔ No Core Charge, No Hassle: Keep your old module. You won’t have to worry about the cost or inconvenience of shipping a core back to us.
- ✔ Broad Compatibility: This unit directly replaces multiple part numbers, including 15063578, 15081796, 15095334, and 19208537, covering dozens of GM trucks, vans, and SUVs.
- ✔ Confidence in Your Repair: This unit is backed by our one-year replacement warranty.
Expert Insight from the Shop Floor
“I’ve seen countless owners and even other shops chase their tails for weeks trying to solve these exact electrical problems. They replace window motors, door lock actuators, and even instrument clusters, only to have the issue return. That’s because the BCM is the ‘brain’ behind all these components. A failure there sends confusing signals, making good parts act bad. By replacing the 2002 Tahoe BCM with a correctly programmed unit, you’re not just fixing a symptom; you’re curing the disease at its source, saving yourself hundreds in wasted parts and diagnostic fees.”
Important Post-Installation Information
To ensure a smooth repair, please be aware of these potential post-installation procedures. While not always necessary, they can be required on certain models to fully sync the new module with your vehicle’s systems:
- Airbag System Sync: If the 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.
- Brake Pedal Position Relearn: On some vehicles, a brake pedal position sensor recalibration may be needed to ensure proper brake light operation and traction control function.
Always consult a factory service manual or a qualified technician for vehicle-specific guidance.
Frequently Asked Questions
How do I provide my VIN number?
After you complete your purchase, you will need to send us a message with your 17-digit Vehicle Identification Number (VIN). We cannot program and ship your BCM without it.
Is this BCM truly ‘plug and play’?
Because we program it to your VIN, it is designed to be as close to ‘plug and play’ as possible. However, as noted above, some vehicles may require additional sync or relearn procedures with a professional scan tool for systems like the airbags or brakes to function correctly.
What happens if I install it without doing the relearn procedures?
If a procedure like the airbag sync is required, the airbag warning light will remain on your dash until it is completed. If a brake pedal relearn is needed, you may experience issues with brake light function or traction control warnings. The core functions of the 2002 Tahoe BCM will work, but these safety systems need to be properly synced.
Will this fix my ‘Service 4WD’ message?
While a faulty BCM can cause a wide range of issues, a ‘Service 4WD’ message is more often related to the Transfer Case Control Module (TCCM), the encoder motor, or the switch on the dash. It’s best to have the codes scanned to pinpoint the exact cause before ordering.
My original part number isn’t on your list, but my vehicle is. Will this work?
This module replaces several common part numbers. If your vehicle make, model, and year are listed in our compatibility chart, this BCM is very likely the correct replacement. The programming to your VIN is what ensures proper function, even if the number on your old part is slightly different.