Restore Full Electrical Function to Your GM Truck or SUV
Are you battling frustrating electrical gremlins in your Chevrolet Silverado, GMC Sierra, or Cadillac Escalade? Intermittent power windows, a non-responsive HVAC system, or random warning lights are classic signs of a failing Body Control Module (BCM). This genuine GM 25844480 BCM is the definitive solution, arriving pre-programmed to your vehicle’s specific VIN for a true plug-and-play repair. As the central nervous system for your vehicle’s body electronics, a new BCM restores control over everything from your interior lights and door locks to the security system and wipers, eliminating guesswork and costly diagnostic fees.
Why a VIN-Programmed 2013 Silverado 2500 BCM is Essential
The Body Control Module is not a one-size-fits-all part. It communicates with numerous other modules in your vehicle. Our VIN programming service ensures that this BCM is loaded with the latest GM software specific to your truck’s options and features. This critical step prevents compatibility issues, resolves common diagnostic trouble codes (DTCs) right out of the box, and means you can skip the expensive and time-consuming trip to the dealership for programming.
Is Your GM Vehicle Showing These Symptoms?
- ✔ Power windows, door locks, or mirrors operating erratically or not at all.
- ✔ HVAC controls are unresponsive, or the blower motor works intermittently.
- ✔ The airbag warning light is illuminated, often with a DTC B1001 code.
- ✔ Interior dome lights or exterior lamps stay on or won’t turn on.
- ✔ The security system malfunctions, causing no-start conditions or false alarms.
- ✔ Unexplained battery drain when the vehicle is off.
- ✔ Wipers behaving strangely or not parking in the correct position.
Installation and Post-Install Procedures
Replacing the BCM is a straightforward process for most DIY mechanics. It’s typically located under the driver-side dash near the steering column and can be swapped in minutes. While our VIN programming handles the majority of the setup, some vehicles may require a simple relearn procedure. If you see an airbag light after installation, a professional scan tool is needed to perform the ‘Setup SDM Primary Key in BCM’ function to sync the modules. In some cases, a Brake Pedal Position Relearn may also be necessary. No core charge is required, so you can keep your old part without any hassle.
Frequently Asked Questions
What does the Body Control Module do on my Silverado?
The BCM acts as the main computer for your truck’s body electronics. It controls non-engine related functions like power windows, locks, lights, wipers, the security system, and the climate control system.
Is this BCM ready to install out of the box?
Yes! We pre-program the module to your vehicle’s VIN before shipping. This ensures it works correctly with your specific options and features, making installation a simple plug-and-play process without needing a dealer visit.
Will this part fix my airbag light with code B1001?
A faulty BCM is a common cause of the B1001 code. Replacing it often resolves the issue, but after installation, you may need a professional scan tool to perform an ‘SDM Key Update’ to sync the new BCM with the airbag system and clear the light.
Where is the BCM located on a 2013 Silverado 2500?
The BCM is typically found under the driver’s side dashboard, often to the left of the steering column. It is usually accessible after removing the lower dash panel.
Do I need to return my old BCM?
No, there is no core charge for this part. You can keep your old module without any additional fees or hassle.