Is Your GM Vehicle Plagued by Electrical Gremlins?
The Body Control Module (BCM) is the central command center for your vehicle’s electronic comfort and convenience features. It manages everything from your power windows, door locks, and interior lighting to the security system and key fob communication. When your BCM starts to fail, it can create a cascade of bizarre and frustrating symptoms that can be difficult to diagnose. If you’re experiencing erratic electrical behavior in your 2012 Buick Verano, Chevy Equinox, GMC Terrain, or other compatible model, a failing BCM is a likely culprit.
From the Diagnostic Bay
We once had a 2012 GMC Terrain in the shop with a complaint of the radio turning on by itself and the door locks cycling randomly, even when the vehicle was off. The customer had already replaced the battery twice, thinking it was a power issue. After hours of chasing wires, we hooked up our diagnostic scanner and found multiple communication loss codes with the BCM. The module itself was intermittently failing, sending stray commands across the vehicle’s network. By providing a cloned replacement BCM, we were able to solve all the phantom electrical issues in one go, saving the customer from further diagnostic headaches and the high cost of a new, unprogrammed module from the dealer.
Symptoms of a Failing Body Control Module
A faulty BCM can manifest in numerous ways. If you notice any of the following issues, it’s time to consider a replacement:
- ✔ Power windows, door locks, or mirrors operating intermittently or not at all.
- ✔ Interior or exterior lights flickering, staying on, or not turning on.
- ✔ The vehicle’s security system engaging randomly or the alarm sounding for no reason.
- ✔ Key fob not being recognized, preventing you from locking/unlocking doors or starting the vehicle.
- ✔ Dashboard warning lights illuminating without a clear cause (e.g., airbag, ABS lights).
- ✔ Horn honking unexpectedly.
- ✔ Inaccurate readings on the instrument cluster gauges.
- ✔ Communication errors when a diagnostic scan tool is connected.
The Simple, Dealer-Free Solution: Our BCM Programming Service
Replacing a BCM isn’t as simple as swapping the part. A new module from the dealership is a blank slate; it must be professionally programmed with specialized tools to recognize your vehicle’s specific VIN, security information, and optional features. This process is often time-consuming and expensive.
Our professional programming service eliminates that entire hassle. We take the data from your original BCM and transfer it directly to a replacement unit. This cloning process ensures the replacement module is a perfect electronic match for your vehicle. The result is a true plug-and-play solution. Simply install the module we send you, and you’re back on the road. No dealer visit, no additional programming fees, no headaches.
How Our BCM Cloning Service Works
- ✔ Place Your Order: Complete your purchase through our secure checkout.
- ✔ Ship Us Your Original BCM: We will contact you with clear, step-by-step instructions for removing and shipping your original module to our facility. Please ensure your contact information is up to date.
- ✔ We Perform the Transfer: Once we receive your module, our expert technicians will meticulously extract all the critical data and flash it onto the replacement 2012 Verano Body Control Module.
- ✔ Receive Your Plug-and-Play BCM: We ship the fully programmed replacement module back to you, typically within 24-48 hours of receiving your original. We will provide you with tracking information as soon as it ships.
Post-Installation Procedures
In most cases, the installation is straightforward. However, due to the complex nature of modern vehicle electronics, a couple of minor relearn procedures may be necessary after you install the programmed BCM:
- Airbag System Sync: If the airbag warning light is illuminated after installation, a ‘Setup SDM Primary Key in BCM’ procedure is required. This syncs the new BCM with the airbag system and must be done with a professional-grade scan tool.
- Brake Pedal Position Relearn: Some models may require a brake pedal position sensor recalibration to ensure proper function of the brake lights and traction control system.
Always consult a factory service manual or a qualified technician for vehicle-specific guidance.
Guaranteed Fitment for Your Vehicle
This service and replacement 2012 Verano Body Control Module are compatible with a wide range of General Motors vehicles. This module will fit the following part numbers: 13580696, 123589093, 13588446, 13584692, and 13583542.
It is a direct fit for these models:
- 2012 Buick Regal (LH dash)
- 2012-2013 Buick LaCrosse (LH kick panel, ID 13580696)
- 2012 Buick Verano (below center of dash)
- 2012-2013 Chevrolet Camaro (RH dash)
- 2014 Chevrolet Camaro (RH dash, Cpe)
- 2012 Chevrolet Equinox (LH side dash)
- 2013 Chevrolet Spark (left lower a-pillar)
- 2012 Chevrolet Volt (RH engine compartment)
- 2012 Cadillac SRX (LH dash, ID 13580696)
- 2012 GMC Terrain (LH side dash)
Frequently Asked Questions
Why do I need to send you my original BCM?
Your original BCM contains the unique vehicle identification number (VIN), security codes, mileage, and other data specific to your car. By cloning this data to the replacement module, we create a plug-and-play part that works instantly without requiring expensive dealer programming.
Is this a true plug-and-play solution?
Yes, in over 95% of cases. Once we program the replacement module with your vehicle’s data, you can simply install it and it will function correctly. In rare cases, minor relearn procedures like for the airbag system or brake pedal sensor may be needed, as detailed above.
How long does the programming service take?
Our service is fast. We typically program and ship your replacement module within one business day of receiving your original BCM. We will send you tracking information as soon as it’s on its way back to you.
What if my original BCM is completely dead or not communicating?
Even if your module is not communicating with the vehicle, we can often extract the necessary data directly from the board’s memory chip. Please contact us before ordering if your module is severely damaged by water or fire.
Do I need to return the replacement BCM as a core?
No, there is no core charge for this item. You can keep your original module after you send it to us for the data transfer service.