Restore Control Over Your Vehicle’s Electronics
Are you battling a storm of strange electrical problems in your GM truck or SUV? Flickering lights, a security system that has a mind of its own, power windows that won’t cooperate, or random warning messages on your dash are more than just annoyances—they’re classic signs of a failing Body Control Module (BCM). As a technician with over two decades of experience, I’ve seen how a faulty BCM can turn a reliable vehicle into a source of daily frustration. This module is the central command for your vehicle’s body electronics, and when it fails, it creates chaos. This is the definitive, hassle-free solution to restore order and get your vehicle operating as it should.
This isn’t just a replacement part; it’s a complete solution. We take the biggest headache out of the repair process by programming the BCM specifically to your vehicle’s VIN before it ships. It arrives loaded with the latest GM software updates, eliminating the need for an expensive trip to the dealership for programming. You get a part that’s ready for installation, saving you significant time and money. This is the most efficient way to fix the root cause of those baffling electrical gremlins and restore the dependable performance you expect from your 2012-2014 Suburban BCM and other compatible GM models.
A Technician’s Notebook: The Ghost in the Suburban
A customer brought in his 2013 Suburban, complaining of “ghosts.” The dome lights would flicker while driving, the radio would sometimes shut off, and the “Service StabiliTrak” warning would appear randomly. He’d already replaced the battery and checked the main grounds. My initial scan showed a slew of communication error codes (U-codes) pointing to the BCM. Instead of just throwing a new module in and sending him to the dealer for programming, we used a pre-programmed BCM like this one. The physical swap took less than 30 minutes. After a quick Brake Pedal Position Relearn, all the ghostly electrical issues were gone. It’s a textbook example of how a failing BCM can mimic a dozen other problems, and why a pre-programmed module is the most direct path to a solid repair.
Is Your Truck Showing These Symptoms?
- ✔ Intermittent or non-functional power windows, locks, or mirrors.
- ✔ Interior or exterior lights flickering, staying on, or not working at all.
- ✔ The security system or keyless entry malfunctioning.
- ✔ Unexplained warning lights on the instrument cluster (e.g., Airbag, ABS, StabiliTrak).
- ✔ Communication error codes, often in the U-series (like U0140 – Lost Communication With Body Control Module).
- ✔ A vehicle that won’t start despite having a good battery and starter.
A Straightforward Guide to Installation
Replacing the BCM is a manageable job for a confident DIYer. The module is typically located under the driver’s side of the dashboard, near the steering column. While this 2012-2014 Suburban BCM arrives ready to work, please review the post-installation notes below.
- Safety First: Disconnect the negative terminal from your vehicle’s battery and wait a few minutes to ensure all systems are powered down.
- Locate the BCM: Remove the lower dash panel beneath the steering wheel to access the module. It will have several large electrical connectors attached.
- Disconnect and Remove: Carefully unplug all electrical connectors. They have locking tabs that need to be depressed. Once disconnected, unbolt or unclip the old BCM from its mounting bracket.
- Install the New BCM: Mount the new, pre-programmed BCM in place and securely reconnect all the electrical connectors. Ensure they click into place.
- Reconnect and Test: Reinstall the dash panel, reconnect the battery terminal, and start the vehicle. Test all functions like lights, windows, and locks.
- Perform Relearns (If Needed): As noted below, some vehicles may require a Brake Pedal Position Relearn or an Airbag System Sync using a professional scan tool to clear specific warning lights.
Important Post-Installation Information
While this module is programmed for your VIN, certain vehicle security and safety systems may require a final handshake after installation. Please be aware of the following potential procedures:
- Airbag System Sync: If the airbag warning light is illuminated after installation, a ‘Setup SDM Primary Key in BCM’ procedure must be performed with a compatible high-level diagnostic tool. This syncs the new BCM with the airbag system.
- Brake Pedal Position Relearn: On some models, a brake pedal position sensor relearn may be required to ensure correct brake light operation and to satisfy the traction control system.
We are committed to a hassle-free experience. There is no core charge for this BCM. You can keep your original part.
Verified Vehicle Compatibility
This Body Control Module is a direct replacement for part numbers 22846364, 22737275, and 22846365. It is guaranteed to fit the following GM vehicles:
- Avalanche 1500 (2012-2013)
- Cadillac Escalade, ESV, EXT (2012-2014)
- Chevrolet Silverado 1500, 2500, 3500 (2012-2014)
- Chevrolet Suburban 1500 (2012-2014)
- Chevrolet Suburban 2500 (2012-2013)
- Chevrolet Tahoe (2012-2014)
- GMC Sierra 1500, 2500, 3500 (including Denali) (2012-2014)
- GMC Yukon, Yukon XL 1500 (including Denali) (2012-2014)
- GMC Yukon XL 2500 (2012-2013)
Note: For some 2013-2014 HD models, please verify your original part number matches one of the compatible numbers listed above.
Frequently Asked Questions
What information do you need to program the BCM?
After you place your order, we require your vehicle’s 17-digit Vehicle Identification Number (VIN). This allows us to load the exact software and calibrations for your specific truck or SUV.
Is this a plug-and-play part?
For most functions, yes. It is pre-programmed to your VIN. However, as noted in the description, certain safety systems like the airbag or brake pedal sensor may require a ‘relearn’ or ‘sync’ procedure with a professional scan tool after installation.
Do I need to send my old BCM back?
No. There is no core charge on this part. You can keep your original module, which can be helpful for diagnostics if needed later.
Will this fix my ‘Service StabiliTrak’ message?
A failing BCM is a very common cause of this message, as it disrupts communication with the brake and steering systems. While this module often resolves the issue, the message can also be caused by other components like wheel speed sensors. A proper diagnosis is always recommended.
Can I install this myself?
The physical installation is straightforward for someone with basic mechanical skills. It involves removing a lower dash panel and swapping the module. However, be prepared for the possibility that a final relearn procedure may require a trip to a mechanic with the appropriate scan tool.