Are you chasing electrical gremlins in your Cadillac Escalade EXT or another GM truck/SUV? Flickering lights, malfunctioning power windows, a security system that acts up, or a frustrating no-start condition can all point to one culprit: a failing Body Control Module (BCM). As the central hub for your vehicle’s body electronics, when the BCM falters, it can create a cascade of confusing and seemingly unrelated problems. This isn’t just an inconvenience; it can affect your vehicle’s safety and reliability.
This is the definitive, hassle-free solution. We offer a replacement Body Control Module, part number 22737275 (also compatible with 22846365 and 22846364), that arrives at your door fully programmed to your vehicle’s specific VIN. We flash it with the latest GM-approved software, ensuring all functions are restored correctly and often improving on the original factory logic. This process eliminates the need for an expensive trip to the dealership for programming, saving you time and hundreds of dollars. Get your truck’s brain back in order and restore the functionality you depend on every day with this reliable 2012-2013 Escalade EXT BCM.
A Technician’s Notebook
I remember a 2013 Sierra 2500 that came into the bay last month. The owner was at his wit’s end. The radio would turn on by itself, the driver’s side window wouldn’t go down, and the dome lights had a mind of their own. He’d already replaced the battery and checked all the fuses. A quick scan showed a dozen intermittent communication codes (U-codes) pointing everywhere and nowhere at once. This is a classic sign. After verifying power and ground to the BCM, we knew it was the source of the chaos. Swapping in a VIN-programmed module like this one cleared every single issue in under an hour. It’s a fix I’ve performed hundreds of times on these GM platforms.
Is Your Truck Showing These Symptoms?
A failing BCM can manifest in numerous ways. If you’re experiencing any of the following, this module is the likely solution:
- ✔ Erratic or non-functional power windows, door locks, and mirrors.
- ✔ Interior or exterior lights that flicker, stay on, or don’t work at all.
- ✔ The security system light is on, or the alarm goes off randomly.
- ✔ The vehicle won’t start, or the starter engages intermittently.
- ✔ The radio or infotainment system behaves unpredictably.
- ✔ False warning messages on the driver information center (DIC).
- ✔ Communication Diagnostic Trouble Codes (DTCs) are present, such as U0140, U0155, or U0164.
A Straightforward Guide to Installation
Replacing the BCM is a manageable job for a DIYer with basic tools. While this 2012-2013 Escalade EXT BCM is designed for a simple swap, always follow safety protocols.
- 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 Module: The BCM is typically 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 old module from its mounting bracket.
- Install the New BCM: Mount your new, pre-programmed BCM in place of the old one. Securely plug in all the electrical connectors, ensuring they click into place.
- Reconnect and Test: Reconnect the negative battery terminal. Turn the key to the ‘On’ position (without starting) and test functions like lights, locks, and windows to confirm operation.
Important Post-Installation Notes
In some cases, additional vehicle-specific relearn procedures may be needed after installation. This is normal and ensures all related systems communicate correctly with the new BCM.
- Airbag System Sync: If your airbag warning light is illuminated after installation, a procedure called ‘Setup SDM Primary Key in BCM’ is required. This must be done with a professional-grade scan tool to sync the airbag system with the new BCM.
- Brake Pedal Position Relearn: Some models may require a brake pedal position sensor relearn to ensure proper brake light operation and to keep the traction control system happy.
- No Core Charge: You can keep your old module. There is no core charge or need to send the original part back to us.
Disclaimer: Vehicle systems vary. We always recommend consulting a factory service manual or a certified technician if you are unsure about any step of the process.
Verified Vehicle Compatibility
This module is a direct-fit replacement for a wide range of GM trucks and SUVs. Please verify your part number (22737275, 22846365, or 22846364) or match your vehicle from the list below.
- Cadillac Escalade (2012-2014)
- Cadillac Escalade ESV (2012-2014)
- Cadillac Escalade EXT (2012-2013)
- Chevrolet Avalanche 1500 (2012-2013)
- Chevrolet Silverado 1500/2500/3500 Pickup (2012-2014)
- Chevrolet Suburban 1500/2500 (2012-2014)
- Chevrolet Tahoe (2012-2014)
- GMC Sierra 1500/2500/3500 Pickup (2012-2014)
- GMC Sierra Denali 1500/2500/3500 (2012-2014)
- GMC Yukon (2012-2014)
- GMC Yukon XL 1500/2500 (2012-2014)
Frequently Asked Questions
How does the VIN programming work?
After you place your order, you will need to send us your vehicle’s 17-digit VIN. Our technicians use this number to load the exact, latest GM software for your specific vehicle configuration onto the BCM before shipping it.
Is this a plug-and-play part?
Yes, for most vehicles, it is. Because we program it to your VIN, you can typically install it and have all functions restored. However, as noted, some vehicles may require a simple relearn procedure for the airbag or brake pedal position sensor.
What does the BCM actually do?
The Body Control Module acts as the central computer for your vehicle’s non-engine related electronic features. This includes power windows, door locks, interior/exterior lighting, security system, wipers, and communication between various other modules.
Will this fix my ‘Service Stability System’ message?
It can. The BCM communicates with the stability control system. If the BCM is failing, it can cause false error messages. However, this message can also be caused by other issues like a faulty wheel speed sensor, so proper diagnosis is key.
Do I need to send my old BCM back?
No. This product comes with no core charge, so you can keep your original part. This saves you the time and expense of return shipping.