Is Your Vehicle Experiencing Strange Electrical Problems?
The Body Control Module, or BCM, is the central command center for your vehicle’s electronic accessories. It manages everything from your power windows and door locks to the interior lights, security system, and horn. When the BCM starts to fail, it can create a cascade of confusing and frustrating issues that can be difficult to diagnose. If your car seems to have a mind of its own, a faulty BCM is often the culprit.
From the Diagnostic Bay
We had a 2013 Chevy Equinox in the shop with the most bizarre symptoms. The customer said the radio would change stations on its own, the dome light would flicker at highway speeds, and sometimes the power locks wouldn’t respond. We checked grounds, wiring harnesses, and even the battery. Everything seemed fine. Finally, we hooked up a high-level scanner and monitored the BCM data stream. We saw corrupted data packets being sent intermittently. It was a classic case of internal BCM failure. A simple swap with our programmed unit solved every single issue instantly. It’s a reminder that when multiple, unrelated electrical systems act up, the BCM should be your prime suspect.
Common Symptoms of a Failing BCM
- ✔ Power windows, locks, or mirrors operating intermittently or not at all.
- ✔ Interior or exterior lights flickering, staying on, or not working correctly.
- ✔ The horn honking randomly or failing to work when pressed.
- ✔ The vehicle’s anti-theft system engaging incorrectly, preventing the car from starting.
- ✔ False warning lights appearing on the dashboard (e.g., airbag, ABS, traction control).
- ✔ A noticeable and rapid battery drain when the vehicle is turned off.
- ✔ Wipers activating on their own or not parking in the correct position.
The Plug-and-Play Solution: Our BCM Programming Service
Simply installing a used BCM from another vehicle will not work. Each module is programmed with a unique Vehicle Identification Number (VIN) and specific settings for the car it came from. Our professional cloning service is the perfect solution. We take your original, failing BCM and transfer all of its critical data to this replacement unit. The result is a Programmed GM BCM that is a perfect digital match for your vehicle, ready for a true plug-and-play installation.
How The Service Works:
- ✔ Place Your Order: Purchase this BCM programming service.
- ✔ Receive Instructions: We will contact you via email or phone with detailed instructions on how to remove and where to ship your original BCM.
- ✔ We Program Your Part: Once we receive your module, our technicians will expertly clone all the necessary data to the replacement BCM within 1-2 business days.
- ✔ Receive Your Modules: We ship both your original module and the ready-to-install replacement back to you with tracking information.
Why Choose a Programmed GM BCM?
This service is designed to save you time, money, and hassle. By cloning your original data, you completely eliminate the need for an expensive trip to the dealership for programming. You don’t need any special computer equipment or software; just install the module, and you’re ready to go. It’s the most efficient way to restore your vehicle’s full electronic functionality.
Important Post-Installation Information
While our goal is a seamless installation, some vehicle systems may require a recalibration after the BCM is replaced. Please be aware of the following potential procedures:
- Airbag System Sync: If the airbag warning light is on after installation, a ‘Setup SDM Primary Key in BCM’ procedure must be performed with a professional diagnostic tool. This syncs the new BCM with the airbag system.
- Brake Pedal Position Relearn: On some models, a brake pedal position sensor recalibration may be needed to ensure proper brake light and traction control operation.
Always consult a factory service manual or a qualified technician for vehicle-specific guidance.
Vehicle Fitment
This BCM is compatible with a range of 2012-2014 General Motors vehicles. It directly replaces part numbers 13580696, 123589093, 13588446, 13584692, and 13583542. Compatible models include:
- 2012 Buick Regal
- 2012-2013 Buick LaCrosse
- 2012 Buick Verano
- 2012 Cadillac SRX
- 2012-2014 Chevrolet Camaro
- 2012 Chevrolet Equinox
- 2013 Chevrolet Spark
- 2012 Chevrolet Volt
- 2012 GMC Terrain
Frequently Asked Questions
What exactly is “cloning” a BCM?
Cloning is a process where we extract the critical vehicle-specific data—like the VIN, key codes, and optional settings—from your original BCM and write it directly onto the replacement module. This makes the replacement an identical match to your car’s configuration for a plug-and-play install.
Is this better than buying a new BCM from a dealer?
For many owners, this service is a more efficient and cost-effective solution. It completely bypasses the need for a dealership appointment and the associated programming fees, which can be substantial. The result is a part that is ready for installation right out of the box.
How long does the programming service take?
Once we receive your original BCM, the cloning process is typically completed and the modules are shipped back out within 1-2 business days. We provide tracking information as soon as your package is on its way back to you.
What if my original BCM is completely dead or unreadable?
In many cases, even if the BCM is failing, we can still retrieve the necessary data. However, if your module has suffered severe water or fire damage, data recovery may not be possible. Please contact us before purchasing if you suspect this is the case.
Do I need any special tools to install the replacement BCM?
No special programming tools are required for installation. The job typically involves basic hand tools to access the module’s location. However, as noted, some vehicles may require a relearn procedure for the airbag or brake systems, which may need a professional scan tool.