Restore Full Electrical Function to Your GM Truck or SUV
Are you battling a cascade of frustrating electrical issues in your Chevrolet Silverado, GMC Sierra, or Tahoe? When power windows fail, the HVAC system acts possessed, or mysterious warning lights appear, the culprit is often a failing Body Control Module (BCM). The BCM is the central command center for your vehicle’s body electronics, and when it malfunctions, it can make your truck feel unreliable. This genuine quality GM 25844480 Body Control Module is the definitive solution, arriving pre-programmed to your vehicle’s specific VIN for a true plug-and-play repair.
Is Your GM Truck Experiencing These BCM Failure Symptoms?
- ✔ Intermittent or non-functional power windows, door locks, or interior lights.
- ✔ HVAC system acting erratically, with blower motor issues or incorrect temperatures.
- ✔ An illuminated airbag warning light on the dash, often with a B1001 diagnostic trouble code.
- ✔ Security system malfunctions, causing no-start conditions or random alarms.
- ✔ Windshield wipers behaving unpredictably or not working at all.
- ✔ A cluster of seemingly unrelated electrical DTCs that defy simple diagnosis.
Expert Pro Tip
Expert Pro Tip
Before replacing your BCM, always perform a thorough check of the main ground connections, particularly the one located near the driver’s side A-pillar kick panel. A loose or corroded ground is a common culprit for BCM-related symptoms on these GM trucks and can cause a new module to fail prematurely if not addressed.
The Plug-and-Play Solution: Your Programmed Silverado Body Control Module
Forget about costly dealership visits and complex programming procedures. We handle the hard part for you. Simply provide your vehicle’s VIN during checkout, and our technicians will flash this module with the latest GM software specific to your truck. This ensures that all factory-installed options and security features work seamlessly the moment you plug it in. This OEM-quality Silverado Body Control Module is engineered to meet or exceed original factory specifications, guaranteeing reliable performance and longevity.
Simple Installation and Post-Install Considerations
Physically installing the BCM is straightforward for any DIYer. It’s typically located under the driver’s side dashboard near the steering column and can be swapped in under 10 minutes. While the unit is plug-and-play for most functions, be aware of two potential post-installation procedures:
- Airbag System Sync: If the airbag warning light remains on after installation, a procedure called “Setup SDM Primary Key in BCM” must be performed with a professional-grade diagnostic tool. This securely pairs the new BCM with your vehicle’s existing airbag system.
- Brake Pedal Position Relearn: Some models may require a brake pedal position sensor recalibration to ensure proper brake light and traction control operation.
This module is a direct replacement for a wide range of part numbers, including: 25835966, 15263363, 15263497, 15878753, 15284816, 15943678, 15926094, 15940214, 25790508, 25790509, 25823558, 25823559, 25835965, 25844479, 25971916, 25971917, 15901388, 20939137, 20939138, and 22860591.
Frequently Asked Questions
Expert Pro Tip
Before replacing your BCM, always perform a thorough check of the main ground connections, particularly the one located near the driver’s side A-pillar kick panel. A loose or corroded ground is a common culprit for BCM-related symptoms on these GM trucks and can cause a new module to fail prematurely if not addressed.