Are you battling frustrating electrical problems in your GM truck or SUV? Issues like erratic power windows, malfunctioning interior lights, a faulty security system, or intermittent door locks often point to 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 confusing symptoms. This replacement Body Control Module is the definitive solution to restore your vehicle’s proper function and get you back on the road with confidence.
This isn’t just a replacement part; it’s a complete, ready-to-install solution. We take the hassle out of the repair by pre-programming the module to your vehicle’s specific Vehicle Identification Number (VIN) before it ships. This means you get a part loaded with the latest GM software updates, tailored specifically for your truck’s options and features. Simply provide your VIN after purchase, and we handle the complex programming, saving you a costly trip to the dealership.
We had a 2002 Silverado in the shop with a classic case of BCM failure. The customer complained of the dome lights staying on, the radio not turning off with the door open, and the ‘Service Security System’ light randomly appearing. After confirming power and grounds were good, we pinpointed the BCM. Instead of a lengthy dealer visit for programming, we installed one of our VIN-programmed modules. The entire swap took less than an hour, and all the strange electrical gremlins were gone instantly. The customer was thrilled to have their truck back to normal without the typical dealership hassle and expense.
Common Symptoms of a Failing BCM
- ✔ Intermittent or non-working power windows, door locks, or mirrors.
- ✔ Interior or exterior lights behaving erratically (staying on or not turning on).
- ✔ The security or anti-theft system malfunctioning or preventing the engine from starting.
- ✔ The radio or instrument cluster not turning off after the key is removed.
- ✔ False warning messages on the driver information center.
- ✔ Communication errors with other vehicle modules (DTC U-codes).
Why Choose Our 2002 Suburban BCM?
This module is a direct-fit replacement for a wide range of 2002-2005 GM vehicles, including the Silverado, Sierra, Tahoe, Yukon, Suburban, Avalanche, Astro, Safari, and more. It is compatible with part numbers 15063578, 15081796, 15095334, 19208537, DKAK, and DPNU. The key benefit is our professional VIN programming service. Your new 2002 Suburban BCM arrives ready for installation, eliminating the need for expensive scan tools or dealer intervention for the initial setup. While the installation is straightforward, please be aware that on some models, a ‘Setup SDM Primary Key in BCM’ or a ‘Brake Pedal Position Relearn’ may be required after installation if you experience an airbag light or brake system issues. These are simple relearn procedures that a qualified technician can perform to finalize the installation.
Frequently Asked Questions
What does the Body Control Module (BCM) do?
The BCM is a computer that manages and controls many of your vehicle’s non-engine related functions, such as power windows, locks, lights, security system, wipers, and the instrument panel.
Do I need to get this BCM programmed?
No. We handle the programming for you before we ship the part. Simply provide us with your vehicle’s VIN during checkout or via message, and it will arrive ready to install with the latest GM software.
How do I find my original BCM part number?
The BCM is typically located under the steering column or in the center dash area. The part number is printed on a white label on the module’s case. This module replaces several part numbers, so as long as your vehicle is on the compatibility list, it will work.
What if my airbag light is on after I install the new BCM?
This can happen on some models. It means the new BCM needs to be synced with the airbag system (SDM). A technician with a professional diagnostic tool will need to perform the ‘Setup SDM Primary Key in BCM’ procedure to resolve this.
Is this part truly plug-and-play?
For most vehicles, yes. Because we pre-program it, the main functions will work immediately. However, as mentioned, some models may require a final relearn procedure for the airbag or brake pedal position sensor to complete the process and clear any warning lights.