Is Your GM Truck Plagued by Electrical Gremlins?
If you’re dealing with flickering lights, unresponsive power windows, a malfunctioning security system, or erratic HVAC controls, the culprit is likely a failing Body Control Module (BCM). The BCM acts as the central command center for your vehicle’s body electronics, and when it starts to fail, it can cause a cascade of frustrating and seemingly unrelated problems. This OEM-quality replacement BCM, part number 22860591, is the definitive solution for restoring full electrical functionality to your 2007-2013 GM truck or SUV.
Symptoms of a Failing GM Body Control Module
- ✔ Power windows, door locks, or mirrors stop working or operate erratically.
- ✔ Interior or exterior lights fail to turn on, off, or flicker unexpectedly.
- ✔ HVAC and climate control functions become unresponsive or intermittent.
- ✔ The vehicle’s security system malfunctions, causing false alarms or starting issues.
- ✔ An airbag warning light appears on the dash, often with DTC B1001.
- ✔ Unexplained battery drain occurs when the vehicle is off.
- ✔ Wipers operate randomly or not at all.
The Plug-and-Play Solution: A Pre-Programmed Silverado 3500 Body Control Module
Forget about costly dealership visits and programming fees. We ship this module pre-programmed to your vehicle’s specific VIN. This ensures that it communicates perfectly with your truck’s other electronic systems right out of the box. Loaded with the latest software updates from GM, this module is ready for a quick and simple installation, getting you back on the road with confidence. This is the most reliable way to fix issues related to a faulty Silverado 3500 Body Control Module.
Installation and Post-Install Procedures
Physically installing the BCM is straightforward. It’s typically located under the driver’s side dashboard near the steering column and can be swapped out in minutes. However, please be aware of potential post-installation steps:
- Airbag System Sync: If the airbag warning light is illuminated after installation, a technician will need to perform the ‘Setup SDM Primary Key in BCM’ procedure using a professional scan tool. This syncs the new BCM with the 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 25844480, 25835966, 15878753, 20939137, and 22860591. With no core charge, you can simply keep your old part.
Frequently Asked Questions
What does a Body Control Module do on a Silverado 3500?
The BCM is a computer that manages and controls many of your truck’s non-engine related electronic functions. This includes power windows, door locks, interior and exterior lighting, the security system, wipers, and the HVAC blower motor.
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 is a plug-and-play installation with no additional dealership programming required for most functions.
What if my airbag light is on after installing the new BCM?
This is a common security feature. You will need a professional scan tool to perform the ‘Setup SDM Primary Key in BCM’ procedure to sync the new module with your vehicle’s airbag system and turn off the light.
Where is the BCM located on a 2013 Silverado 3500?
The Body Control Module is typically found under the driver’s side dashboard, near the steering column. Installation usually takes less than 15 minutes.
Do I need to send my old part back?
No. There is no core charge for this part, so you can keep your original module without any hassle or extra fees.