Restore Full Electrical Function to Your GM Truck or SUV
Are you battling frustrating electrical gremlins in your Chevrolet Silverado, GMC Sierra, or Tahoe? A faulty Body Control Module (BCM) is often the culprit behind a wide range of seemingly unrelated issues, from flickering lights and non-responsive power windows to security system errors and HVAC problems. This replacement GM Body Control Module is the definitive solution, arriving pre-programmed to your vehicle’s specific VIN for a true plug-and-play installation that restores factory operation without requiring a trip to the dealership.
Common Symptoms of a Failing GM Body Control Module
If your vehicle is exhibiting any of the following signs, a failing BCM is the likely cause. This module serves as the central command for your vehicle’s body electronics, and its failure can disrupt numerous systems.
- ✔ Intermittent or total loss of power windows, door locks, or interior lighting.
- ✔ HVAC system malfunctions, such as the blower motor not working or temperature controls being unresponsive.
- ✔ The security system acting erratically, causing no-start conditions or false alarms.
- ✔ Erratic windshield wiper operation or failure to turn off.
- ✔ An illuminated airbag warning light, often accompanied by Diagnostic Trouble Code (DTC) B1001.
- ✔ A host of communication-related DTCs stored in various modules.
Plug-and-Play Solution, Programmed for Your Vehicle
Don’t waste time and money on dealership programming. We program this module with the latest GM software updates using your vehicle’s VIN before it ships. This ensures that all factory-installed options and security protocols are correctly configured for your specific truck or SUV. The result is a seamless installation that restores performance and reliability.
- ✔ VIN Programmed: Arrives ready for installation with no additional programming needed.
- ✔ Restores Functionality: Corrects issues with lights, locks, windows, HVAC, and security systems.
- ✔ OEM-Quality: Built to meet or exceed original equipment standards for long-lasting durability.
- ✔ No Core Charge: Keep your old part, eliminating the hassle and expense of a core return.
- ✔ Direct Interchange: A direct replacement for part numbers 25844480, 25835966, 15263363, 15263497, 15878753, 15284816, 15943678, and more.
Installation and Post-Install Notes
The BCM is typically located under the driver’s side dashboard, near the steering column. Installation is a straightforward process. However, please be aware of potential post-installation procedures. If the airbag light is illuminated after the new module is installed, a professional scan tool is required to perform the “Setup SDM Primary Key in BCM” function. Additionally, some vehicles may require a Brake Pedal Position Sensor relearn. Always consult a service manual or a qualified technician if you are unsure.
Frequently Asked Questions
What does a Body Control Module do on my Silverado or Tahoe?
The BCM acts as the central computer for your vehicle’s body electronics. It controls non-engine related functions like power windows, door locks, interior and exterior lights, the security system, wipers, and the climate control system.
Is this BCM ready to install right out of the box?
Yes. We pre-program the module to your vehicle’s VIN before shipping. This makes it a true plug-and-play part, eliminating the need for expensive dealership programming.
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’s Sensing and Diagnostic Module (SDM). A procedure called “Setup SDM Primary Key in BCM” must be performed with a professional-grade scan tool to resolve this.
How do I know for sure that my BCM is the problem?
While the symptoms listed are strong indicators, other issues like bad grounds or wiring problems can sometimes mimic BCM failure. The most accurate way to be certain is to have a professional technician perform a full vehicle diagnostic scan to check for communication codes related to the BCM.
Do I need to send my old part back?
No. We do not charge a core fee for this module. You can keep your original part without any hassle.