Is Your GM Truck Plagued by Electrical Gremlins?
Are you dealing with flickering lights, power windows with a mind of their own, or a security system that randomly acts up? These frustrating and unpredictable issues often point to one central culprit: a failing Body Control Module (BCM). In vehicles like your trusty 2002 Suburban, Silverado, or Sierra, the BCM is the nerve center for all interior electronics. When it starts to fail, it can make your dependable workhorse feel unreliable. This isn’t just an annoyance; it’s a disruption to your daily work and life. You need a solution that’s reliable, straightforward, and gets you back on the road without hassle.
Common Symptoms & Your Solution
If you’re experiencing any of the following, a faulty BCM is the likely cause. This pre-programmed module is the definitive solution to restore your vehicle’s proper function.
- Intermittent or non-working power windows, door locks, and mirrors.
- Erratic interior or exterior lighting (dome lights, headlights, dash lights).
- Instrument cluster gauges behaving strangely or not working at all.
- False security system alarms or the engine failing to start due to a security fault.
- Diagnostic Trouble Codes (DTCs), especially U-codes, indicating a loss of communication between modules.
We take the guesswork and complexity out of the repair. Unlike a generic part from a salvage yard or auto parts store, this 2002 GM Truck Body Control Module arrives at your door pre-programmed specifically for your vehicle. Simply provide us with your Vehicle Identification Number (VIN) after purchase, and our technicians will flash the unit with the latest official GM software updates. This ensures perfect communication with your vehicle’s other systems and restores functionality as the factory intended.
Features & Benefits
- ✔ Programmed to Your VIN: Your module arrives ready for installation, saving you a costly trip to the dealership for programming. This is the most efficient way to get your truck fixed.
- ✔ Loaded with Latest GM Software: We flash the BCM with the most current software from General Motors, ensuring optimal performance and stability over the original unit.
- ✔ No Core Charge: Keep your original module. There’s no need to worry about the cost, hassle, or deadlines associated with returning a core part.
- ✔ Guaranteed Fitment: This unit is a direct replacement for a wide range of popular GM trucks, SUVs, and vans. It replaces part numbers 15063578, 15081796, 15095334, 19208537, DKAK, and DPNU.
- ✔ One-Year Replacement Warranty: This unit is backed by our one-year replacement warranty, giving you complete confidence and peace of mind in your purchase.
An Expert’s Note on BCM Diagnostics
“Over my 20 years in diagnostics, I’ve seen countless owners and shops waste hundreds of dollars replacing window motors, light switches, and even instrument clusters, only to find the root cause was the BCM all along. A failing Body Control Module sends confusing signals throughout the vehicle, making other perfectly good parts appear faulty. By starting with a properly diagnosed and programmed 2002 GM Truck Body Control Module, you’re not just replacing a part; you’re applying a precise solution that saves you time, money, and immense frustration.”- Veteran ASE Certified Technician
YUKON 02 Body Control (BCM); (under steering column), 4×2
BLAZER S10/JIMMY S15 02 Body Control (BCM); (center dash), ID 15063578
BLAZER S10/JIMMY S15 03-05 Body Control (BCM); (center dash)
SILVERADO 3500 PICKUP 02 Body Control (BCM); (under steering column)
SIERRA 3500 PICKUP 02 Body Control (BCM); (under steering column)
SIERRA 2500 PICKUP 02 Body Control (BCM); (under steering column)
S10/S15/SONOMA 03-04 Body Control (BCM)
SAFARI (GMC) 02-03 Body Control (BCM); (center dash), ID 15095334
SAFARI (GMC) 04-05 Body Control (BCM); (center dash)
ESCALADE 02 Body Control (BCM); (under steering column), 4×2
SUBURBAN 2500 02 Body Control (BCM); (under steering column)
ASTRO 02-03 Body Control (BCM); (center dash), ID 15063578
SILVERADO 2500 PICKUP 02 Body Control (BCM); (under steering column)
SIERRA 1500 PICKUP 02 Body Control (BCM); (under steering column)
YUKON XL 1500 02 Body Control (BCM); (under steering column), 4×2
AVALANCHE 1500 02 Body Control (BCM); (under steering column), 4×2
BLAZER S10/JIMMY S15 02 Body Control (BCM); (center dash), ID 15085334
SUBURBAN 1500 02 Body Control (BCM); (under steering column), 4×2
YUKON XL 2500 02 Body Control (BCM); (under steering column)
ASTRO 04-05 Body Control (BCM); (center dash)
SAFARI (GMC) 02-03 Body Control (BCM); (center dash), ID 15081796
S10/S15/SONOMA 02 Body Control (BCM); (center dash), ID 15063578
BLAZER S10/JIMMY S15 02 Body Control (BCM); (center dash), ID 15081796
S10/S15/SONOMA 02 Body Control (BCM); (center dash), ID 15095334
S10/S15/SONOMA 02 Body Control (BCM); (center dash), ID 15081796
SAFARI (GMC) 02-03 Body Control (BCM); (center dash), ID 15063578
SIERRA DENALI 02 Body Control (BCM); (under steering column)
SILVERADO 1500 PICKUP 02 Body Control (BCM); (under steering column)
TAHOE 02 Body Control (BCM); (under steering column), 4×2
ASTRO 02-03 Body Control (BCM); (center dash), ID 15095334
Frequently Asked Questions
What exactly does the Body Control Module do?
The BCM is a computer that acts as a central hub for your vehicle’s body electronics. It controls non-engine related functions like power windows, power locks, interior and exterior lighting, the alarm system, and instrument panel warnings. When it fails, these systems can become erratic.
Is this part difficult to install?
The physical installation is typically straightforward, as the BCM is often located under the dash and is removed by unplugging connectors and a few mounting bolts. Because we pre-program the unit to your VIN, you eliminate the most difficult step. However, some vehicles may require a simple post-installation procedure, like an airbag system sync or brake pedal position relearn, which may require a diagnostic tool.
How do I provide my VIN after ordering?
After you complete your purchase, you will receive an email with instructions on how to send us your vehicle’s 17-digit VIN. We cannot program and ship your BCM until we receive this information, so please provide it promptly to avoid delays.
What if the airbag light is on after I install the BCM?
This can happen on some models. It means the new BCM needs to be synced with the airbag’s Supplemental Deployment Module (SDM). This is a simple procedure called ‘Setup SDM Primary Key in BCM’ that can be performed by a repair shop with a professional-grade scan tool.
How can I be sure the BCM is my problem?
While the symptoms listed are strong indicators of BCM failure, proper diagnosis is always recommended. This often involves checking for specific communication (U-series) trouble codes with a capable scan tool. If you’re unsure, consulting with a professional technician is a good idea.
What is your return policy if this doesn’t fix my issue?
This BCM is sold as a tested, working, and correctly programmed part for the VIN you provide. We recommend confirming your diagnosis before purchase. However, the part is fully covered by our one-year replacement warranty in the event of a defect.