Is Your GM Truck Plagued by Electrical Gremlins?
Are you dealing with flickering lights, power windows that have a mind of their own, door locks that won’t respond, or a security system that acts up randomly? These frustrating and unpredictable electrical issues in your Silverado, Sierra, Tahoe, or other GM vehicle often point to one central culprit: a failing Body Control Module (BCM). The BCM is the electronic brain that manages your vehicle’s body and accessory functions, and when it starts to fail, it can create a cascade of annoying and potentially serious problems.
The Central Command Center for Your Vehicle’s Comfort and Security
Think of the BCM as the central nervous system for all non-engine related electronics. It’s a critical component that interprets inputs from switches (like your window or lock buttons) and sensors, and sends commands to operate dozens of systems. When this module malfunctions, communication breaks down, leading to the erratic behavior you’re experiencing. Replacing it is often the only way to restore full functionality and peace of mind. This is where our pre-programmed 2012-2013 Silverado BCM comes in, offering a direct and reliable solution.
Common Symptoms of a Failing BCM
- ✔ Intermittent or non-working power windows, door locks, and mirrors.
- ✔ Interior or exterior lights (headlights, taillights, dome lights) staying on or not turning on at all.
- ✔ Erratic behavior from the dashboard gauges or instrument cluster.
- ✔ The vehicle’s security system or keyless entry failing to work correctly.
- ✔ Horn honking unexpectedly or not working when pressed.
- ✔ Unexplained battery drain, leading to a no-start condition.
- ✔ Warning lights like the airbag or brake light appearing on the dash.
Your Plug-and-Play Solution: The 2012-2013 Silverado BCM
The biggest hurdle in replacing a BCM has always been the need for expensive, dealer-specific programming. Our solution eliminates that step entirely. When you order from us, you provide your vehicle’s VIN, and we flash the module with the latest, most stable GM software specific to your truck’s exact configuration. This means the module arrives at your door ready for installation. No trip to the dealership, no extra programming fees, and no core charge—you can keep your old part.
Installation and Post-Install Procedures
The BCM is typically located under the driver’s side of the dashboard, near the steering column. While installation is a straightforward unbolt-and-replace process, some vehicles may require a couple of simple relearn procedures after the new module is connected. These are not always necessary but are good to be aware of:
- Airbag System Sync: If your airbag warning light is on after installation, a ‘Setup SDM Primary Key in BCM’ procedure is needed. This syncs the new BCM with the airbag system and requires a professional-grade scan tool.
- Brake Pedal Position Relearn: In some cases, a brake pedal position sensor recalibration might be required to ensure proper brake light and traction control operation.
Always consult a factory service manual or a qualified technician if you are unsure about any part of the installation process.
Guaranteed Fitment
This Body Control Module is a direct replacement for part numbers 22846365, 22737275, and 22846364. It fits a wide range of GM trucks and SUVs, including:
- Chevrolet Silverado 1500, 2500, 3500 (2012-2014)
- GMC Sierra 1500, 2500, 3500 & Denali Models (2012-2014)
- Chevrolet Tahoe & Suburban 1500/2500 (2012-2014)
- GMC Yukon & Yukon XL 1500/2500 (2012-2014)
- Cadillac Escalade, ESV, EXT (2012-2014)
- Chevrolet Avalanche 1500 (2012-2013)
Please verify the part number on your original module to ensure a perfect match.
Frequently Asked Questions
What does a Body Control Module do on my GM truck?
The BCM acts as the central computer for your vehicle’s body electronics. It controls functions like power windows, door locks, interior and exterior lighting, the security system, wipers, and dashboard warning lights.
Do I need to program this BCM after I receive it?
No. This is the primary benefit of our service. We program the module to your vehicle’s specific VIN before we ship it to you. It arrives ready to be installed, saving you a costly trip to the dealership.
Where is the BCM located on my Silverado or Sierra?
The BCM is typically found under the driver’s side dashboard, often attached to a bracket near the steering column.
What if the airbag light comes on after I install the new BCM?
This can happen occasionally. It means the new BCM needs to be electronically introduced to the airbag’s computer (SDM). A technician with a high-level scan tool can perform the ‘Setup SDM Primary Key in BCM’ procedure to sync the systems and turn off the light.
Is there a core charge for this part?
No, there is no core charge. You are not required to send your old BCM back to us.