Is Your 2002 GM Truck or SUV Experiencing Strange Electrical Issues?
If you’re dealing with flickering lights, malfunctioning power windows and locks, or a security system that has a mind of its own, a failing Body Control Module (BCM) is the likely culprit. The BCM is the central command center for your vehicle’s body electronics, and when it starts to fail, it can cause a wide range of frustrating and difficult-to-diagnose problems. Don’t let electrical gremlins keep your truck off the road. This direct-fit replacement 2002 Suburban Body Control Module is the reliable solution to restore full functionality to your vehicle.
From the Diagnostic Bay
We had a 2002 Tahoe come in that was driving the owner crazy. The power locks would work intermittently, the radio would sometimes not turn on, and the security light would flash for no reason. The owner had already replaced the driver’s door master switch and checked fuses, but the problems persisted. After connecting our diagnostic scanner, we saw multiple communication loss codes pointing to the BCM. We installed a VIN-programmed BCM, and instantly, all the ghost-in-the-machine issues were gone. It’s a classic case where the central computer, not the individual components, was the source of the problem.
Common Symptoms of a Failing BCM
- ✔ Erratic or non-functional power windows, door locks, and mirrors.
- ✔ Interior or exterior lights staying on, flickering, or not working at all.
- ✔ The security system engaging randomly or preventing the vehicle from starting.
- ✔ Inoperative radio or climate control functions.
- ✔ Dashboard warning lights illuminating without a clear cause.
- ✔ Communication errors when a mechanic tries to scan the vehicle’s computer systems.
Plug-and-Play Solution with the Latest Software
Forget expensive trips to the dealership for programming. We take the hassle out of the repair process. When you purchase this module, simply provide us with your vehicle’s VIN. Our technicians will program the BCM with the latest official software updates from GM, ensuring it is perfectly matched to your vehicle’s specific configuration. This means that for most functions, the module is ready for installation right out of the box. This is a genuine, tested component, not a simple repair service.
What to Expect After Installing Your 2002 Suburban Body Control Module
While this BCM is pre-programmed for your VIN, some vehicle systems may require a ‘handshake’ with the new module after installation. This is a normal part of the process. Please be aware of the following potential procedures:
- Airbag System Sync: If your airbag warning light is on after installation, a technician will need to perform the ‘Setup SDM Primary Key in BCM’ procedure with a professional scan tool. This syncs the new BCM with the airbag system.
- Brake Pedal Position Relearn: On some models, a brake pedal position sensor recalibration may be needed to ensure your brake lights and traction control system function correctly.
Disclaimer: Specific post-installation steps can vary. Always consult a factory service manual or a qualified technician for guidance.
Fitment and Compatibility
This Body Control Module is a direct replacement for units installed in the following 2002 4×4 models. It is located under the steering column.
- Chevrolet Suburban 1500 & Avalanche 1500
- GMC Yukon & Yukon XL 1500
- Chevrolet Tahoe
- Cadillac Escalade & Escalade EXT
This module replaces the following service numbers: 15063577, 15081857, 19208544, 15095335, DKAJ, DPNW.
Best of all, there is no core charge. You can keep your original module.
Frequently Asked Questions
What does the 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, security system, wipers, and radio.
Do I need to have this BCM programmed by a dealer?
No. We handle the programming for you before we ship the part. Simply provide your vehicle’s VIN during or after checkout, and we will flash the module with the latest GM software for your specific vehicle.
Where is the BCM located on my 2002 Suburban?
The Body Control Module is typically 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 is a possibility and requires a simple sync procedure. A repair shop with a professional-grade scan tool will need to perform the ‘Setup SDM Primary Key in BCM’ function to sync the airbag module with the new BCM and turn off the light.
Is this a new or used part?
This is a high-quality, tested, and fully functional used OEM component that has been programmed with the latest software for your vehicle. It provides original equipment performance without the new part price tag.
Is there a core charge for my old part?
No, there is no core charge. You are not required to send your old BCM back to us.