Is Your Buick Regal Experiencing Strange Electrical Issues?
The Body Control Module (BCM) is the central command center for your vehicle’s body electronics. It manages everything from your power windows and door locks to the interior lights, security system, and keyless entry. When the BCM begins to fail, it can create a host of confusing and frustrating problems that seem to have no logical cause. If you’re dealing with electrical gremlins in your 2014-2017 Buick Regal or another compatible GM vehicle, a faulty BCM is a very likely culprit.
From the Diagnostic Bay
We once had a 2015 Cadillac SRX in the shop with a list of bizarre complaints. The customer said the horn would randomly honk when locking the doors, the passenger window wouldn’t go down, and the dome light would flicker while driving. We checked wiring and individual switches with no luck. After connecting our scan tool, we found multiple communication loss codes pointing back to one source. A faulty BCM was shorting internally, sending corrupt data across the network. Replacing it with a properly programmed unit solved every single issue instantly. These modules can cause the most baffling problems, but the fix is often straightforward.
Common Symptoms of a Failing BCM
- ✔ Erratic or non-functional power windows, mirrors, or door locks.
- ✔ Interior or exterior lights (headlights, dome lights, dash lights) behaving strangely.
- ✔ The vehicle’s security system or alarm malfunctioning or giving false alerts.
- ✔ Key fob not being recognized, or intermittent remote start/lock/unlock functions.
- ✔ Horn not working or sounding at random times.
- ✔ Warning messages on the dashboard like “Service Body Control System”.
- ✔ Diagnostic trouble codes (DTCs) related to communication loss with other modules.
The Simple, Plug-and-Play Solution for Your 2014-2017 Regal Body Control Module
Forget expensive dealership visits and the hassle of programming a new module from scratch. Our professional cloning service makes this repair as simple as possible. We transfer all the critical, vehicle-specific data from your original BCM directly onto this replacement unit. This includes the VIN, key fob information, and specific RPO codes for your vehicle’s options. The result is a true plug-and-play module that is ready for installation right out of the box, restoring full functionality to your car’s electronics.
How Our BCM Programming Service Works:
- ✔ Place Your Order: Purchase this BCM through our secure checkout.
- ✔ We’ll Contact You: We will reach out to you with clear, simple instructions and a shipping address for sending us your original BCM. Please ensure your contact information is up to date.
- ✔ Ship Your Original Module: Pack your original BCM securely and ship it to us.
- ✔ Cloning Process: Once we receive your module, our technicians will expertly extract all necessary data and program it onto the replacement unit. This typically takes 1-2 business days.
- ✔ Receive Your Ready-to-Install BCM: We ship the fully programmed replacement BCM back to you. You’ll receive tracking information as soon as it’s on its way. Installation is as simple as swapping the modules.
Post-Installation Procedures
While our goal is a 100% plug-and-play experience, some GM vehicles may require a simple relearn procedure after installation. These can typically be performed by a qualified technician with a professional-grade scan tool.
- Airbag System Sync: If the airbag warning light is on after installation, a “Setup SDM Primary Key in BCM” procedure is needed to sync the new BCM with the airbag system.
- Brake Pedal Position Relearn: On some models, a brake pedal position sensor recalibration may be necessary to ensure correct brake light and traction control operation.
Always consult a factory service manual or a qualified technician for vehicle-specific guidance.
Broad GM Compatibility
This Body Control Module is a direct replacement for a wide range of General Motors vehicles. It is compatible with part numbers: 13580698, 13578458, 13589115, 13589637, 13590173, 13590851, 13591300, 13592376, 13593775, 13593776, and 13594564. It fits models including:
- 2014-2017 Buick Regal
- 2014-2016 Buick LaCrosse
- 2014-2016 Chevrolet Malibu (including ’16 Limited)
- 2014-2015 Chevrolet Volt
- 2014-2016 Cadillac ELR
- 2014-2015 Chevrolet Camaro
- 2014-2016 Cadillac SRX
- 2014-2016 Chevrolet Spark EV
Frequently Asked Questions
What is a BCM cloning service?
Cloning is the process of transferring the exact configuration data—like your VIN, mileage, and key information—from your original BCM to the replacement unit. This makes the new part a plug-and-play component, avoiding the need for expensive dealer programming.
Why do I have to send in my original module?
Your original BCM holds all the unique data for your specific vehicle. By sending it to us, you ensure the replacement module will work seamlessly with all other systems in your car, just like the original did before it failed.
How long does the programming service take?
We pride ourselves on a fast turnaround. The programming is typically completed within 1-2 business days of us receiving your original module. We then ship the replacement back to you promptly.
Is this part difficult to install?
The physical installation is straightforward for anyone with basic mechanical skills. It involves disconnecting the battery, accessing the BCM (location varies by model, e.g., LH dash in the Regal), swapping the electrical connectors, and mounting the new unit. The key is that our programming service eliminates the complex software setup.
What if my original BCM is completely dead or water damaged?
In the vast majority of cases, even with significant failure or damage, our technicians can still recover the necessary data. If for some reason the data is irretrievable, we will contact you immediately to discuss alternative options.