Are you chasing electrical gremlins in your 2014-2017 Buick Regal? Flickering lights, malfunctioning power windows, or a security system that has a mind of its own are classic signs of a failing Body Control Module (BCM). As a technician with over two decades of experience, I’ve seen how a faulty BCM can turn a reliable car into a source of constant frustration. It’s the central hub for your car’s comfort and convenience features, and when it fails, chaos ensues. Forget the dealership’s high quotes and the headache of scheduling programming—our professional cloning service is the smart, simple solution.
We make this repair straightforward. After your purchase, we’ll contact you with instructions to send us your original BCM. Once it arrives at our facility, our expert technicians will transfer all of your vehicle’s essential data—including VIN, mileage, and security information—to this replacement unit. We then ship the ready-to-install module back to you. This process ensures a seamless, plug-and-play installation, restoring your car’s functions without any additional programming fees.
A Technician’s Notebook
I remember a 2015 Regal that came into the shop with a list of bizarre, unrelated symptoms. The dome light would stay on, the driver’s side window wouldn’t go down, and the key fob worked intermittently. The owner had already replaced the battery and checked fuses. After connecting my scan tool, I saw multiple U-series (communication) codes, all pointing to a network issue. Instead of hours of complex wiring diagnostics, my experience pointed straight to the BCM. We used a cloned module just like this one, and in under 30 minutes, every single issue was resolved. The customer was thrilled to avoid a massive dealer bill and get their car back to normal.
Common Signs of a Failing BCM
- ✔ Erratic or non-functional power windows, door locks, and mirrors.
- ✔ Interior or exterior lights flickering, staying on, or not working at all.
- ✔ The security system or alarm randomly activating or failing to set.
- ✔ Key fob not being recognized or working inconsistently.
- ✔ Dashboard warning lights related to various systems (like ABS or Airbag) appearing.
- ✔ Communication error codes (U-codes) stored in the system.
Your Straightforward Installation Guide
- ✔ Safety First: Always disconnect the negative terminal from your vehicle’s battery before starting any electrical work.
- ✔ Locate the BCM: In the 2014-2017 Buick Regal, the Body Control Module is typically located behind the lower left-hand side of the dashboard. Access may require removing a lower dash panel.
- ✔ Disconnect and Remove: Carefully unplug all electrical connectors from the original BCM. Note their orientation. Then, unbolt or unclip the module from its mounting bracket.
- ✔ Install the Replacement: Mount the new, programmed BCM in the same location and securely reconnect all electrical connectors.
- ✔ Reconnect and Test: Reconnect the negative battery terminal. Turn the ignition on and test all body functions—windows, locks, lights, wipers, etc.—to confirm the repair was successful.
Important Post-Installation Information
While our cloning service makes this a plug-and-play repair, some GM vehicles may require simple relearn procedures after the BCM is replaced. Please be aware of the following:
- Airbag System Sync: If the airbag warning light is on 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 necessary if the light is illuminated.
- Brake Pedal Position Relearn: On some models, a brake pedal position sensor relearn may be required to ensure your brake lights and traction control system function correctly.
Disclaimer: Specific procedures can vary by vehicle. Always consult a factory service manual or a qualified technician for guidance.
Will This Fit My Vehicle?
This module is a direct replacement for part number 13590851 and is interchangeable with the following part numbers: 13580698, 13578458, 13589115, 13589637, 13590173, 13591300, 13592376, 13593775, 13593776, and 13594564. It is verified to fit the following vehicles:
- 2014-2017 Buick Regal (LH dash)
- 2014-2015 Buick LaCrosse (LH kick panel)
- 2016 Buick LaCrosse (LH kick panel, ID 13580698 or 13594564)
- 2014-2015 Chevrolet Malibu (LH kick panel)
- 2016 Chevrolet Malibu Limited (VIN 1) (LH kick panel)
- 2014-2015 Chevrolet Volt (RH engine compartment)
- 2014-2015 Chevrolet Camaro (RH dash)
- 2014-2016 Cadillac ELR (BCM at RH cowl)
- 2014-2016 Cadillac SRX (LH dash)
- 2014-2016 Chevrolet Spark EV (left lower a-pillar)
Frequently Asked Questions
Frequently Asked Questions
How does the cloning service work?
You purchase the BCM, and we provide instructions for you to ship your original module to us. We then copy its unique programming and security data to the replacement module. We ship the new, ready-to-install module back to you, typically within 1-2 business days of receiving your original.