Are you battling frustrating electrical gremlins in your GM truck or van? Flickering lights, unresponsive power windows, or a security system that has a mind of its own are common signs of 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 cascade of confusing and seemingly unrelated problems. This pre-programmed BCM is the definitive solution to restore your vehicle’s electronic functions to factory-perfect condition.
From the Diagnostic Bay
We had a 2002 Sierra 2500 in the shop that was driving its owner mad. The radio would turn on and off, the dome light wouldn’t work, and the power locks were intermittent. He had already replaced the door lock actuators and the headlight switch with no success. After hooking up our diagnostic tool, we saw multiple communication errors all pointing back to one component: the BCM. Once we installed a VIN-programmed BCM like this one, every single electrical issue was resolved instantly. It saved him from chasing phantom problems and replacing perfectly good parts.
Common Symptoms of a Failing BCM
- ✔ Erratic or non-functional power windows, door locks, and mirrors.
- ✔ Interior or exterior lights that stay on, flicker, or won’t turn on at all.
- ✔ Security system faults or the vehicle failing to start due to a security lockout.
- ✔ Dashboard warning lights (like the airbag light) illuminating for no reason.
- ✔ Horn honking unexpectedly or not working when pressed.
- ✔ Wipers operating incorrectly or not parking in the correct position.
Why Choose Our Programmed 2002 Suburban BCM?
This isn’t just a replacement part; it’s a complete, ready-to-install solution. We take the guesswork and extra expense out of the repair. Simply provide us with your vehicle’s VIN during checkout, and our technicians will program the module with the latest official GM software specific to your vehicle’s configuration. This ensures a seamless installation and proper communication between all your vehicle’s electronic systems. No expensive trips to the dealership for programming are required.
Installation and Post-Install Information
Installation is straightforward for those with basic mechanical skills. The BCM is typically located under the steering column or behind the center dash panel. Once installed, it’s designed to be a plug-and-play solution. However, depending on your vehicle’s specific configuration, a couple of simple relearn procedures may be necessary.
- Airbag System Sync: If your 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 new BCM with the airbag system.
- Brake Pedal Position Relearn: Some models may require a brake pedal position sensor recalibration to ensure brake lights and traction control function correctly.
Core Policy: We do not require you to return your old BCM. There is no core charge associated with this purchase.
Guaranteed Fitment
This module is a direct replacement for a wide range of 2002-2005 GM trucks and vans. It is compatible with part numbers: 15063578, 15081796, 15095334, 19208537, DKAK, and DPNU. It fits models such as the Silverado, Sierra, Suburban, Tahoe, Yukon, Escalade, Avalanche, Astro, Safari, S10, and more. Please verify your part number or consult the fitment list to ensure compatibility.
Frequently Asked Questions
What does the Body Control Module (BCM) do?
The BCM is a computer that acts as the central hub for your vehicle’s body electronics. It controls functions like power windows, locks, interior/exterior lights, the security system, wipers, and more.
Do I need to get this BCM programmed by a dealer?
No. We pre-program the BCM to your vehicle’s specific VIN before we ship it to you. It arrives ready for installation, saving you time and money.
Where is the BCM located on my 2002 Suburban?
On most 2002 GM full-size trucks and SUVs like the Suburban, the BCM is located under the driver’s side of the dashboard, near the steering column.
What if my 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 technician with a professional diagnostic tool will need to perform the ‘Setup SDM Primary Key in BCM’ procedure to resolve it.
Is this a direct replacement for part number 15081796?
Yes, this module is a fully compatible replacement for all part numbers listed, including 15081796, 19208537, 15063578, and others.