Tired of Unpredictable Electrical Problems in Your GM Vehicle?
As a technician with over two decades of experience, I’ve seen firsthand how a failing Body Control Module (BCM) can turn a reliable car into a source of daily frustration. Are your power windows acting possessed? Do your interior lights flicker for no reason, or does the security system randomly immobilize your car? These aren’t just quirks; they’re classic signs of a BCM on its way out. The BCM is the central nervous system for your vehicle’s comfort and convenience features, and when it fails, it creates chaos. This isn’t just an issue for the 2012 Verano BCM; it’s a common problem across many GM platforms.
The Smart Solution: A Pre-Programmed BCM
Forget the expensive dealership visit, the towing fees, and the days of waiting for complex programming. We offer a straightforward and reliable solution. This listing is for a replacement BCM that is professionally programmed using the data from your vehicle’s original module. By cloning your BCM’s unique information—including the VIN, mileage, and key data—we provide you with a true plug-and-play part. This process ensures seamless communication between all the modules in your car, restoring function without the need for a dealer’s proprietary scan tool.
From the Diagnostic Bay
I remember a 2012 Buick Verano that came into my shop with a laundry list of bizarre symptoms. The radio would shut off, the turn signals worked intermittently, and the customer complained of a parasitic battery drain that left them stranded twice. They had already replaced the battery and alternator to no avail. After hooking up my diagnostic tool, I found a slew of communication error codes (U-codes) pointing to the BCM. Instead of sending them to a dealer for a new module and a $300+ programming fee, we used a cloned BCM. The customer shipped us their faulty module, we transferred the data, and sent the replacement back. They installed it in their driveway in under an hour. All the electrical gremlins vanished. It’s a perfect example of how this service saves drivers significant time, money, and headaches.
Common Signs of a Failing BCM
- ✔ Erratic or non-functional power windows, door locks, and mirrors.
- ✔ Interior or exterior lights staying on or not turning on at all.
- ✔ The security system or anti-theft light preventing the car from starting.
- ✔ A/C and climate control blower motor not working correctly.
- ✔ Horn sounding randomly or not working when pressed.
- ✔ Multiple communication error codes stored, often starting with ‘U’ (e.g., U0140, U0155).
- ✔ Intermittent no-start or no-crank conditions.
A Straightforward Guide to Installation
- ✔ Safety First: Always disconnect the negative terminal from your vehicle’s battery before starting any electrical work.
- ✔ Locate the BCM: In the 2012 Buick Verano, the BCM is typically located below the center of the dashboard. For other models, its location can vary (see fitment list), so consult a service manual if you’re unsure.
- ✔ 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 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 ignition to the ‘ON’ position (without starting the engine) and test all body functions: lights, locks, windows, radio, etc.
Important Post-Installation Information
Because your new module is cloned, most vehicles will not require any additional steps. However, in some cases, certain systems may need to be re-synchronized. This is normal and can typically be done with a high-end diagnostic tool.
- Airbag System Sync: If the airbag warning light is illuminated after installation, a procedure called ‘Setup SDM Primary Key in BCM’ is needed to sync the airbag system. This is only necessary if the light is on.
- Brake Pedal Position Relearn: On some models, a brake pedal position sensor recalibration might be required to ensure your brake lights and traction control system function properly.
Disclaimer: Vehicle systems can vary. We always recommend consulting a factory service manual or a qualified technician for specific procedures related to your vehicle.
Verified Vehicle Compatibility
This BCM is a direct-fit replacement for the following vehicles and part numbers. Please match your part number or vehicle to ensure compatibility.
Interchangeable Part Numbers: 13580696, 123589093, 13588446, 13584692, 13583542
- Buick LaCrosse: 2012-2013 (LH kick panel, ID 13580696)
- Buick Regal: 2012 (LH dash)
- Buick Verano: 2012 (below center of dash)
- Cadillac SRX: 2012 (LH dash, ID 13580696)
- Chevrolet Camaro: 2012-2013, 2014 (RH dash, Coupe)
- Chevrolet Equinox: 2012 (LH side dash)
- Chevrolet Spark: 2013 (left lower a-pillar)
- Chevrolet Volt: 2012 (RH engine compartment)
- GMC Terrain: 2012 (LH side dash)
Frequently Asked Questions
What does the ‘cloning service’ involve?
After you place your order, we will provide instructions for you to ship your original BCM to us. We then use specialized equipment to extract the critical vehicle data from your module and transfer it to the replacement unit. This makes the new module a perfect electronic match for your car.
Why do you need my original BCM? Can’t you just program it with my VIN?
Programming with just a VIN doesn’t capture all the specific configurations and security data unique to your vehicle’s options. Cloning from your original module is the only way to guarantee a 100% plug-and-play installation without needing a trip to the dealer for further setup.
Do I need to return my old BCM after installation?
No, there is no core charge for this part. After we have completed the cloning service, we will ship both your original module and the newly programmed replacement back to you.
What is the turnaround time for this service?
We pride ourselves on a fast turnaround. The programming service is typically completed within 1-2 business days after we receive your original module. We will then ship it back to you promptly, and tracking information will be provided.
Will this programmed 2012 Verano BCM fix my specific issue?
This module will resolve issues directly caused by a faulty BCM. If you are experiencing any of the symptoms listed above, there is a very high probability this is your solution. However, proper vehicle diagnosis is always recommended to rule out other potential causes like wiring or sensor faults.