Is Your 2002 GM Truck or SUV Plagued with Electrical Gremlins?
If you’re dealing with flickering lights, malfunctioning power windows and locks, a security system that acts on its own, or intermittent starting issues, the culprit is often a failing Body Control Module (BCM). The BCM is the central command center for your vehicle’s body electronics, and when it fails, it can cause a wide range of frustrating and unpredictable problems. This replacement BCM is the definitive solution to restore full functionality and reliability to your vehicle.
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 integration with your truck’s existing systems, saving you a costly trip to the dealership for programming. Simply provide your VIN after purchase, and we’ll handle the rest.
From the Diagnostic Bay
We had a 2002 Yukon XL come in with a classic case of BCM failure. The customer complained that the interior lights would stay on, draining the battery overnight, and the power door locks worked only when they felt like it. After confirming power and grounds to the module were good, we knew the internal logic had failed. Instead of a complicated and expensive dealer visit, we installed one of our VIN-programmed modules. The installation took less than 30 minutes, and immediately, all the strange electrical issues were gone. The customer was thrilled to have their truck back to normal without the typical dealership hassle and expense.
Common Symptoms of a Failing 2002 Tahoe Body Control Module
- ✔ Erratic or non-functional interior and exterior lights.
- ✔ Power windows, door locks, or mirrors not working correctly.
- ✔ The security or anti-theft system preventing the vehicle from starting.
- ✔ Inoperative dashboard gauges or warning lights that stay on.
- ✔ Horn honking unexpectedly or not working at all.
- ✔ Rapid battery drain due to components not shutting off.
Guaranteed Fitment & Compatibility
This Body Control Module is a direct replacement for a range of 2002 GM trucks and SUVs. It is compatible with multiple service numbers, ensuring you get the correct part for your vehicle. Compatible service numbers include: 15063577, 15081857, 19208544, 15095335, DKAJ, and DPNW. It fits the following models:
- 2002 Chevrolet Tahoe (4×4)
- 2002 Chevrolet Suburban 1500 (4×4)
- 2002 Chevrolet Avalanche 1500 (4×4)
- 2002 GMC Yukon (4×4)
- 2002 GMC Yukon XL 1500 (4×4)
- 2002 Cadillac Escalade (4×4)
- 2002 Cadillac Escalade EXT
Post-Installation Procedures
While this module is designed for straightforward installation, some vehicles may require additional steps to sync all systems perfectly. Please be aware of the following potential procedures:
- Airbag System Sync: If your airbag warning light illuminates 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.
- Brake Pedal Position Relearn: On some models, a brake pedal position sensor recalibration might be necessary for proper brake light and traction control operation.
Disclaimer: Specific procedures can vary. Always consult a factory service manual or a qualified technician for guidance.
Frequently Asked Questions
What does a Body Control Module do on my 2002 Tahoe?
The BCM acts as the brain for your truck’s body electronics. It controls functions like power windows, door locks, interior and exterior lighting, the anti-theft system, and dashboard warnings.
Is this part difficult to install?
The BCM is typically located under the steering column and is accessible with basic hand tools. The physical swap is straightforward for a DIYer. Since we program it to your VIN, you avoid the most complex part of the job—the software configuration.
How do I provide my VIN for programming?
After you complete your purchase, you will receive instructions on how to send us your 17-digit Vehicle Identification Number (VIN). We cannot ship your part until we receive this information.
Do I need to return my old BCM?
No, there is no core charge for this part. You can keep your original module.
What if the airbag light comes on after I install it?
This can happen occasionally. It means the new BCM needs to be electronically introduced to the airbag system. A repair shop with a professional-grade diagnostic tool can perform the ‘Setup SDM Primary Key in BCM’ procedure to resolve this.