Tired of Unpredictable Electrical Problems in Your GM Vehicle?
As a technician with over two decades in the bay, I’ve seen it all. A customer comes in with a car that seems possessed—windows operating on their own, dashboard lights flickering like a holiday display, or the car refusing to start for no apparent reason. The culprit is often the Body Control Module (BCM), the central hub for your vehicle’s comfort and security features. When it fails, it creates a cascade of frustrating and seemingly unrelated issues. This isn’t just an inconvenience; it can be a major disruption to your daily life.
We offer a straightforward, reliable solution: a replacement Body Control Module, pre-programmed with your vehicle’s original data. This isn’t just a part; it’s a complete service designed to get you back on the road without the exorbitant costs and scheduling headaches of a dealership visit. By cloning the information from your original BCM, we ensure the replacement unit is a true plug-and-play component, preserving all the specific functions and security keys unique to your car.
Case Study: The Ghost in the Regal
I remember a 2015 Buick Regal that was a diagnostic nightmare for another shop. The radio would randomly shut off, the interior lights would stay on, and the key fob worked intermittently. They had replaced the battery and checked all the grounds, but the problems persisted. When it got to my bay, I suspected the BCM. A quick scan showed multiple ‘Lost Communication’ codes (U-codes) pointing to the BCM as the source. Instead of a costly new module and a full system reprogram, we used our cloning service. We transferred the data from the faulty BCM to our replacement unit. The customer had their car back the next day, fully functional, for a fraction of the dealer’s quote. This is the power of a properly programmed module.
Common Signs of a Failing BCM
If your vehicle is exhibiting these symptoms, a faulty BCM is the likely cause. Don’t let these issues go unchecked, as they can worsen over time.
- ✔ Intermittent or non-functional power windows, door locks, or interior/exterior lights.
- ✔ The security or anti-theft system light is on, preventing the engine from starting.
- ✔ The key fob or remote entry system works sporadically or not at all.
- ✔ Warning messages on the instrument cluster, such as “Service Theft Deterrent System.”
- ✔ Diagnostic trouble codes (DTCs) related to communication errors, like U0140, U0155, or other U-codes.
- ✔ Wipers or horn activating unexpectedly.
A Straightforward Guide to Our Service & Installation
Our process is designed for simplicity. After you place your order, we will contact you with instructions to ship your original BCM to our facility. Once we receive it, our experts will perform the data transfer and ship your new, ready-to-install module back to you.
- Purchase: Complete your order. We will contact you to coordinate the next steps.
- Ship Your Module: Carefully package and send us your original BCM.
- We Program: Our technicians will clone the data from your original module to the replacement unit. This typically takes 1-2 business days.
- Receive & Install: We ship your plug-and-play BCM back to you. Installation is simple: disconnect the battery, locate and swap the module (often in the driver’s or passenger’s kick panel/dash area), and reconnect the battery.
- Final Checks: Start the vehicle and verify that all body functions are restored. Note that some vehicles may require post-installation procedures as detailed below.
Important Post-Installation Notes
While our cloning service makes this a plug-and-play repair, some GM vehicles may require a ‘handshake’ with other modules after installation. This is normal.
- Airbag System Sync: If the airbag light is illuminated after installation, a professional scan tool is needed to perform the “Setup SDM Primary Key in BCM” procedure. This syncs the airbag system with the new BCM.
- Brake Pedal Position Relearn: On some models, a brake pedal position sensor relearn may be required to ensure correct brake light operation and traction control functionality.
Disclaimer: Always consult a factory service manual or a qualified professional if you are unsure about any step. No core charge is required; you can keep your old module.
Verified Vehicle Compatibility
This Body Control Module is a direct fit for the following vehicles and part numbers. Please verify your part number is on this list before ordering. Part Number: 13593776
Interchangeable Part Numbers: 13580698, 13578458, 13589115, 13589637, 13590173, 13590851, 13591300, 13592376, 13593775, 13594564
- Chevrolet Malibu: 2014-2015
- Chevrolet Malibu Limited: 2016 (VIN 1)
- Chevrolet Camaro: 2014-2015
- Chevrolet Spark EV: 2014-2016
- Chevrolet Volt: 2014-2015
- Buick LaCrosse: 2014-2016
- Buick Regal: 2014-2017
- Cadillac ELR: 2014-2016
- Cadillac SRX: 2014-2016
How does the programming service work?
After you purchase, we will email you instructions and a shipping address. You send us your original BCM. We then extract the vehicle-specific data (including VIN, mileage, and key information) and flash it onto the replacement module. This makes it a plug-and-play part for your exact vehicle, avoiding any need for expensive dealership programming.
Is this difficult to install myself?
For someone with basic mechanical skills, the physical swap is straightforward. The BCM is typically located behind a kick panel or under the dash. The main challenge is accessing it. Once accessed, it’s just a matter of disconnecting the electrical connectors and mounting bolts. Our programming service eliminates the most difficult part: the software configuration.
What if my original BCM is completely dead or not communicating?
In many cases, even if the BCM is failing, we can still extract the necessary data. If your module is severely damaged (e.g., by fire or water), please contact us before ordering to discuss options. We have alternative solutions for most scenarios.
Why is my airbag light on after installation?
This is a normal security measure on some GM vehicles. The new BCM needs to be electronically introduced to the vehicle’s Sensing and Diagnostic Module (SDM), also known as the airbag module. This requires a ‘Setup SDM Primary Key in BCM’ procedure with a bidirectional scan tool. Most independent repair shops can perform this service.
Do I have to send my old part back?
Yes, you must send us your original BCM for the cloning service. However, there is no separate core charge, and we ship your original module back to you along with the newly programmed one unless you specify otherwise.