Restore Your Truck’s Electrical System with a Plug-and-Play BCM
If you’re dealing with bizarre electrical issues in your 2012-2014 GM truck or SUV, a failing Body Control Module (BCM) is often the culprit. As a technician with over two decades of experience, I’ve seen firsthand how a faulty BCM can turn a reliable truck into a source of constant frustration. It’s the central command for your vehicle’s body electronics, and when it goes, it can cause a cascade of confusing problems. This isn’t just an inconvenience; it can affect vehicle security and safety systems.
We solve this problem by providing a dependable, VIN-programmed replacement BCM. Forget the hassle and high cost of a dealership visit. Simply provide us with your vehicle’s VIN after purchase, and we’ll flash this module with the latest GM software specific to your truck’s configuration. This ensures it works correctly right out of the box, making the repair process as smooth as possible for both seasoned mechanics and dedicated DIYers. This is the most direct path to fixing those nagging electrical gremlins and restoring full functionality to your vehicle.
Is Your Truck Showing These Signs of a Failing BCM?
A failing Body Control Module can manifest in various ways. If you’re experiencing any of the following, it’s a strong indicator that your BCM needs attention. Catching it early can save you from further diagnostic headaches.
- ✔ Erratic or non-functional interior/exterior lights (headlights, dome lights, dash lights).
- ✔ Power windows, door locks, or mirrors behaving unpredictably or not working at all.
- ✔ The security system or keyless entry system malfunctioning.
- ✔ The radio or infotainment system acting strangely (e.g., not turning off with the ignition).
- ✔ Warning lights on the dash, such as the airbag or service vehicle light, with no other apparent cause.
- ✔ Diagnostic Trouble Codes (DTCs) related to communication errors, often starting with ‘U’ (e.g., U0100, U0140).
- ✔ Horn honking unexpectedly or not working when pressed.
A Straightforward Guide to Your BCM Installation
Installing your new BCM is a manageable job for someone with basic mechanical skills. Our pre-programming service handles the most complex part, saving you a trip to the dealer. Follow these general steps for a successful installation.
- Safety First: Always disconnect the negative terminal from your vehicle’s battery and wait a few minutes to ensure all systems are powered down.
- 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 Module: Mount your new, pre-programmed BCM in the same location and securely plug in all the electrical connectors. You should hear a ‘click’ as they lock into place.
- Reconnect and Test: Reconnect the negative battery terminal. Turn the key to the ‘ON’ position and test all body functions—lights, locks, windows, radio, etc.—to confirm the repair.
- Perform Relearn Procedures: As noted below, some vehicles may require a ‘Setup SDM Primary Key’ or ‘Brake Pedal Position Relearn’ with a capable scan tool if specific warning lights appear.
Verified Vehicle Compatibility
This BCM is a direct replacement for part numbers 22846365, 22737275, and 22846364. It is guaranteed to fit the following GM models. Please verify your vehicle and part number before ordering. If you have any questions, we’re here to help.
- AVALANCHE 1500 (2012-2013)
- ESCALADE & ESCALADE ESV (2012-2014)
- ESCALADE EXT (2012-2013)
- SIERRA 1500 & SIERRA DENALI 1500 (2012-2013)
- SIERRA 2500 & SIERRA DENALI 2500 (2012-2014)
- SIERRA 3500 & SIERRA DENALI 3500 (2012-2014)
- SILVERADO 1500 (2012-2013)
- SILVERADO 2500 (2012-2014)
- SILVERADO 3500 (2012-2014)
- SUBURBAN 1500 & 2500 (2012-2014)
- TAHOE (2012-2014)
- YUKON & YUKON XL 1500 (2012-2014)
- YUKON XL 2500 (2012-2013)
Important Post-Installation Note: While our programming handles the majority of the setup, some vehicles may require additional steps. An ‘Airbag System Sync’ (Setup SDM Primary Key in BCM) might be needed if the airbag light is on. A ‘Brake Pedal Position Relearn’ may also be necessary. These procedures require a professional-grade diagnostic tool. We also offer a no-hassle return policy with no core charge, so you can keep your original module.
Frequently Asked Questions
What does a Body Control Module (BCM) do?
The BCM is a computer that acts as the central hub for your vehicle’s body electronics. It controls non-engine related functions like power windows, door locks, interior and exterior lighting, the security system, and the radio.
Why do you need my VIN?
We require your Vehicle Identification Number (VIN) to program the replacement BCM with the exact software and settings for your truck’s specific options and features. This makes the installation plug-and-play and avoids a costly trip to the dealership for programming.
Is this BCM difficult to install myself?
For a DIYer with basic tools and experience, this is a very manageable repair. The module is typically located under the steering column. Since we pre-program the unit, the most difficult part of the job is already done for you.
What do I do if my airbag light is on after installation?
If the airbag warning light illuminates, your vehicle needs an ‘Airbag System Sync’ procedure, also known as ‘Setup SDM Primary Key in BCM’. This syncs the new BCM with the airbag system and must be performed by a professional mechanic or shop with a high-level diagnostic scan tool.
Is there a core charge for this part?
No, there is absolutely no core charge. You are not required to send your old, faulty module back to us. You can keep it or dispose of it as you see fit.
Will this fix my check engine light?
Generally, no. The BCM controls body functions, while the Engine Control Module (ECM) or Powertrain Control Module (PCM) manages the engine and transmission. A check engine light is typically related to the ECM/PCM, not the BCM.