Are you battling frustrating electrical gremlins in your GM truck or SUV? Flickering lights, malfunctioning power windows and locks, or a security system that acts up are common signs of a failing Body Control Module (BCM). The BCM is the central nervous system for your vehicle’s body electronics, and when it fails, it can cause a wide range of confusing and intermittent issues. This pre-programmed BCM is the definitive solution to restore your vehicle’s functionality and peace of mind.
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 eliminates the need for expensive dealership programming, saving you time and money. Simply provide your VIN after purchase, and we’ll handle the rest, ensuring a seamless installation process.
We had a 2002 Sierra 1500 come in with the strangest symptoms. The owner said his interior lights would flicker randomly, sometimes staying on and draining the battery overnight. His power locks worked only when they wanted to. He’d already replaced the battery twice. After checking the wiring, we suspected the BCM. Instead of a costly trip to the dealer for a new module and programming, he ordered one of our VIN-programmed units. The installation took less than an hour, and all the bizarre electrical issues were gone instantly. It’s a classic case where the right part saves hundreds in diagnostic time and unnecessary repairs.
Common Symptoms of a Failing BCM
- ✔ Erratic or non-functional power windows, door locks, and mirrors.
- ✔ Interior or exterior lights that flicker, stay on, or don’t work at all.
- ✔ The security system or alarm randomly activating or preventing the vehicle from starting.
- ✔ Horn honking unexpectedly.
- ✔ Wipers behaving erratically or not parking in the correct position.
- ✔ Warning lights on the dash, such as the airbag or brake light.
- ✔ Communication issues with other vehicle modules, leading to a no-start condition.
Why Choose Our VIN-Programmed 2002 Suburban BCM?
This module is a direct-fit replacement for a wide range of GM vehicles, including the 2002 Chevy Suburban, Silverado, Tahoe, GMC Sierra, Yukon, and more. It is compatible with part numbers 15063578, 15081796, 15095334, 19208537, DKAK, and DPNU. Because we program it to your VIN, it correctly communicates with your vehicle’s existing systems, ensuring all factory options work as intended. Plus, with our no-core-charge policy, you can keep your original module.
Installation and Post-Install Procedures
Installation is straightforward for those with basic mechanical skills. The BCM is typically located under the steering column or in the center dash area. After installing the new module, some vehicles may require additional steps:
- 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.
- Brake Pedal Position Relearn: On some models, a brake pedal position sensor relearn may be necessary to ensure correct brake light operation and to prevent issues with the traction control system.
Disclaimer: Vehicle systems can vary. We always recommend consulting a factory service manual or a qualified automotive technician for specific procedures related to your vehicle.
Frequently Asked Questions
What does a Body Control Module (BCM) do?
The BCM is a computer that manages and controls many of your vehicle’s non-engine related electronic functions. This includes power windows, locks, lights, wipers, the security system, and more.
How do I know if my BCM is the problem?
Common signs of a bad BCM include multiple, unrelated electrical issues happening at once, such as flickering lights, malfunctioning power accessories, and random alarm activation. A professional diagnosis is the best way to confirm, but these symptoms are strong indicators.
Why do you need my VIN?
Your Vehicle Identification Number (VIN) allows us to program the BCM with the specific software and settings for your vehicle’s exact configuration. This ensures it works correctly with all your factory-installed options, making the installation process plug-and-play.
Is this BCM difficult to install?
For most DIYers, the physical installation is not difficult. It usually involves removing a few dash panels to access the module and unplugging connectors. However, be aware that post-installation procedures like an airbag system sync may require a professional 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 the airbag system (SDM). A qualified shop can perform the ‘Setup SDM Primary Key in BCM’ procedure to resolve this and turn off the light.
Do I need to send my old BCM back?
No, there is no core charge for this part. You can keep your original module.