Tired of Chasing Electrical Gremlins in Your GM Truck?
As a technician with over two decades of experience, I’ve seen it all. Flickering dash lights, power windows with a mind of their own, a security light that won’t turn off, or worst of all, a truck that refuses to start for no apparent reason. These baffling issues often point to one culprit: a failing Body Control Module (BCM). The BCM is the central command center for your truck’s body electronics, and when it starts to go, it can make your reliable Silverado or Sierra feel possessed. Don’t let a faulty module dictate your day. This is the direct, reliable fix you’ve been looking for.
The Smart Solution: Pre-Programmed for Your Truck
The biggest headache with replacing a BCM has always been the mandatory, and often expensive, trip to the dealership for programming. We eliminate that step entirely. When you order from us, you provide your vehicle’s VIN, and we program this BCM with the latest GM-certified software specifically for your truck’s configuration. It arrives at your door ready for installation, saving you time, money, and the hassle of scheduling a service appointment. This is the ideal solution for both the savvy DIYer looking to save on repair bills and the professional mechanic aiming for a more efficient workflow. Getting a quality, ready-to-install 2012-2013 Silverado 1500 BCM has never been easier.
Case Study: A Tricky Diagnosis
I remember a 2013 Sierra 2500 that came into the shop with a list of bizarre, intermittent complaints. The radio would shut off, the dome light would stay on, and the remote start worked only half the time. The owner had already replaced the battery and checked all the fuses. A scan showed a handful of communication codes (U-codes), which can be a real rabbit hole. Instead of chasing wires for hours, we went straight to the BCM. After swapping in a pre-programmed module like this one, every single issue vanished. It’s a classic case where the central ‘brain’ was causing system-wide chaos, and a direct replacement was the only true fix.
Your Straightforward BCM Installation Guide
- ✔ Safety First: Always disconnect the negative terminal from your vehicle’s battery before starting any electrical work.
- ✔ Locate the BCM: On most of these GM trucks and SUVs, the BCM is located under the driver’s side of the dashboard, near the steering column. You may need to remove a lower dash panel for access.
- ✔ Disconnect and Remove: Carefully unplug the electrical connectors from the old BCM. They have locking tabs that need to be depressed. Once disconnected, unbolt or unclip the module from its mounting bracket.
- ✔ Install the New BCM: Mount your new, pre-programmed BCM in the same location and securely reconnect all the electrical harnesses. Ensure they click into place.
- ✔ Reconnect Power: Re-attach the negative battery terminal.
- ✔ Perform Relearns (If Needed): Start the vehicle. Check for any warning lights. As noted in our post-install section, you may need a professional scan tool to perform a Brake Pedal Position Relearn or an Airbag System Sync if those specific warning lights appear.
Is Your Silverado Showing These BCM Failure Signs?
- ✔ Erratic or non-functional power windows, door locks, or interior lights.
- ✔ The security or anti-theft light stays on, preventing the engine from starting.
- ✔ Unpredictable instrument cluster behavior, with gauges dropping out or warning lights flashing.
- ✔ Communication error codes stored, such as U0140, U0155, or other U-series codes.
- ✔ Remote key fob not working correctly or at all.
- ✔ Horn, wipers, or other accessories activating on their own or not working when commanded.
Verified Fitment For Your GM Truck or SUV
This BCM is a direct replacement for part numbers 22846364, 22737275, and 22846365. It provides guaranteed compatibility for a wide range of GM vehicles. While this listing focuses on the 2012-2013 Silverado 1500 BCM, it also fits the following models (please verify your specific options and original part ID if applicable):
- ✔ 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)
Do I need to send you my old BCM?
Do I need to send you my old BCM?
No, there is no core charge for this part. You can keep your original module.
How do I provide my VIN for programming?
After you complete your purchase, simply send us a message with your 17-digit Vehicle Identification Number (VIN). We cannot ship your order until we receive the VIN, as the programming is specific to your vehicle.
Is this a difficult part to install myself?
For someone with basic mechanical skills, the physical replacement is straightforward. It’s typically located under the dash and involves swapping a few connectors. The key benefit here is that the complex programming is already done for you.
What if my airbag light comes on after installation?
This can occasionally happen. It means the new BCM needs to be synced with the airbag system’s Supplemental Deployment Module (SDM). A procedure called ‘Setup SDM Primary Key in BCM’ will need to be performed with a bi-directional scan tool to resolve it.
What is the Brake Pedal Position Relearn?
This is a simple calibration that ensures the BCM knows the exact position of your brake pedal. It’s important for proper brake light operation and traction control. If needed, this procedure can also be completed with a professional-grade scan tool.
Is this a new or used part?
This is a high-quality, tested recycled OEM part that has been inspected for full functionality and programmed with the latest software for your vehicle, ensuring reliable performance.
Disclaimer: Post-installation procedures can vary based on your vehicle’s exact year and options. Always consult a factory service manual or a qualified technician if you are unsure about any step.