Tired of Baffling Electrical Problems in Your Buick Regal?
If your 2014-2017 Buick Regal is acting possessed—with flickering lights, erratic power windows or locks, a dead instrument cluster, or a frustrating no-start condition—a failing Body Control Module (BCM) is the likely culprit. As the central nervous system for your car’s electronics, when the BCM goes bad, it can cause a cascade of confusing and unpredictable issues. In my 20+ years in the shop, I’ve seen these symptoms send owners on expensive wild goose chases, replacing batteries and alternators to no avail. The real issue is often this critical computer.
Forget the dealership’s high costs and scheduling headaches. We offer a streamlined, reliable solution: a replacement 2014-2017 Regal Body Control Module that arrives at your door fully programmed and ready for installation. Our professional cloning service transfers all the essential data—including your vehicle’s VIN and security information—from your original BCM to this replacement unit. The result is a true plug-and-play fix that restores your car’s functionality without any need for expensive dealer-only programming tools.
Case Study: A Tricky Diagnosis
A customer brought in a 2015 Regal with a complaint that stumped two other shops. The car would randomly refuse to start, the radio would shut off, and the security light would flash. There were no consistent trouble codes, just a slew of intermittent communication faults (U-codes). After confirming the battery and main power feeds were solid, I focused on the BCM. By monitoring data streams, I could see the BCM dropping offline intermittently. Instead of a costly new module and a full system reprogram from the dealer, we used this exact cloning service. The customer mailed in their faulty BCM, we transferred the data, and they installed the programmed replacement themselves. The car has run flawlessly ever since—a perfect example of how this service saves time, money, and diagnostic headaches.
Common Signs of a Failing BCM
- ✔ Unresponsive or erratic power windows, door locks, and interior/exterior lights.
- ✔ The security system light stays on or flashes, preventing the engine from starting.
- ✔ Instrument cluster gauges behave strangely or go completely dark.
- ✔ Communication-related Diagnostic Trouble Codes (DTCs), such as U0140, U0155, or other U-codes, indicating a loss of communication with other modules.
- ✔ A/C and climate control systems not functioning correctly.
- ✔ The vehicle won’t start, but the battery and starter are confirmed to be good.
A Straightforward Guide to Installation
Our cloning service makes this a simple swap. After you place your order, we will contact you with instructions for shipping your original module to our facility. Once we receive it, we perform the programming and ship your ready-to-install replacement unit back to you promptly.
- Safety First: Always disconnect the negative terminal from your vehicle’s battery before starting any electrical work.
- Locate the BCM: On the 2014-2017 Regal, the Body Control Module is typically located on the left-hand (driver’s) side of the dashboard. Access may require removing the lower dash panel.
- Remove Your Original BCM: Carefully disconnect the electrical connectors and unbolt the module from its mounting bracket.
- Ship It To Us: Securely package your original BCM and ship it to us using the instructions we provide.
- Install the Replacement: Once you receive the programmed module from us, simply mount it in place and reconnect the electrical connectors.
- Reconnect & Test: Reconnect the negative battery terminal. Start the vehicle and test all body functions (lights, locks, windows, etc.) to confirm the repair.
Important Post-Installation Notes
While our service eliminates the need for initial programming, some vehicle systems may require a simple recalibration after the new BCM is installed.
- Airbag System Sync: If the airbag warning 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. This is only required if the light is on.
- Brake Pedal Position Relearn: On some models, a brake pedal position sensor relearn may be necessary to ensure the brake lights and stability control systems function as intended.
Disclaimer: Always refer to a factory service manual for your specific vehicle for detailed instructions and torque specs. If you are not comfortable with this process, we recommend seeking assistance from a qualified professional mechanic.
Verified Vehicle Compatibility
This module is a direct-fit replacement for several GM vehicles and part numbers. Please verify your part number is on this list before ordering. This service is compatible with part numbers: 13580698, 13578458, 13589115, 13589637, 13590173, 13590851, 13591300, 13592376, 13593775, 13593776, and 13594564.
- Buick LaCrosse: 2014-2016
- Buick Regal: 2014-2017
- Cadillac ELR: 2014-2016
- Cadillac SRX: 2014-2016
- Chevrolet Camaro: 2014-2015
- Chevrolet Malibu: 2014-2016 (including ‘Limited’ models)
- Chevrolet Spark EV: 2014-2016
- Chevrolet Volt: 2014-2015
How does the programming service work?
How does the programming service work?
It’s simple! After your purchase, we’ll email you instructions to ship your original BCM to us. We then extract the unique data from your module and transfer it to the replacement unit. We ship the fully programmed, plug-and-play module back to you, typically within 1-2 business days of receiving yours.
Do I need to send my original BCM?
Yes. This is a cloning service, which means we need your original module to transfer the vehicle-specific security and operational data to the replacement part. This ensures 100% compatibility and avoids any need for dealership programming.
Is this a guaranteed fix for my car’s problems?
This service corrects issues directly caused by a faulty BCM. If your vehicle exhibits the common symptoms we’ve listed (erratic lights, locks, no-start, communication codes), this is a very likely solution. However, proper vehicle diagnosis is always recommended to rule out other issues like bad wiring or grounds.
Is there a core charge?
No, there is no core charge. We only need your original module for the data transfer service. Once the programming is complete, we will return your original module along with the newly programmed replacement.
What tools do I need for the post-installation procedures?
Procedures like the Airbag System Sync or Brake Pedal Position Relearn require a professional-grade bidirectional scan tool (like an Autel, Snap-on, or GM MDI). Most basic code readers cannot perform these functions. Many local independent shops can perform these relearns for a small fee if needed.