End Your Buick’s Electrical Gremlins for Good
If you’re dealing with baffling electrical issues in your 2013 Buick Regal—like power windows with a mind of their own, flickering dash lights, or a security system that randomly prevents your car from starting—you’ve likely met the culprit: 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 vehicle into a source of daily frustration. It’s the central computer for your car’s comfort and security features, and when it fails, chaos ensues.
Forget expensive dealership visits, towing fees, and complex programming sessions. Our professional cloning service is the most straightforward and reliable solution available. We transfer the exact data from your original BCM to a replacement unit, creating a true plug-and-play module. It arrives at your door ready for installation, with all your vehicle’s specific settings and key information perfectly preserved.
A Technician’s Notebook: The Regal with a Ghost
I remember a 2013 Regal that came into the shop after visiting two other places. The owner was fed up. The radio would turn on by itself, the driver’s side window wouldn’t go down, and twice the car left him stranded with a flashing security light. Another shop had already replaced the battery and alternator. The dealership quoted him over $1,200 for a new BCM plus programming. After a quick diagnostic, I confirmed communication errors with the BCM. We used this exact cloning service. The customer sent us his module, we cloned it, and sent the replacement back. He installed it himself in under 30 minutes in his driveway. Every single electrical issue was gone. That’s the power of a simple, direct solution.
Is Your Vehicle Showing These Symptoms?
- ✔ Power windows, door locks, or mirrors operating erratically or not at all.
- ✔ The anti-theft or security system light is illuminated, causing a no-start condition.
- ✔ Instrument panel gauges behaving strangely or going completely dead.
- ✔ Interior dome lights, headlights, or tail lights not functioning correctly.
- ✔ Diagnostic trouble codes (DTCs) related to communication loss, often starting with ‘U’ (e.g., U0140, U0155).
- ✔ Inconsistent A/C and heater blower motor operation.
How Our Simple Cloning Service Works
We designed this service to be as easy as possible. Here’s the process:
- Place Your Order: Complete your purchase through our secure checkout.
- We’ll Contact You: Our team will reach out with clear, simple instructions and a shipping address. Please ensure your contact information is accurate.
- Ship Your Original BCM: Send us your vehicle’s original Body Control Module.
- The Magic Happens Here: We’ll expertly transfer all the vital programming and security data to the replacement BCM.
- Receive & Install: We ship your original module AND the ready-to-install replacement back to you. Your tracking number will be provided as soon as it ships.
A Straightforward Guide to Your 2013 Regal BCM Installation
- ✔ Safety First: Always disconnect the negative terminal from your vehicle’s battery before starting any electrical work.
- ✔ Locate Your BCM: In the 2013 Buick Regal, the Body Control Module is typically located on the left-hand (driver’s) side of the dashboard, often behind the lower dash panel.
- ✔ Disconnect with Care: Gently press the release tabs and remove all electrical connectors from the module. Avoid pulling on the wires themselves.
- ✔ Swap the Modules: Unbolt and remove the old BCM. Mount the new, programmed module securely in its place.
- ✔ Reconnect and Power Up: Re-attach all electrical connectors firmly. Reconnect the negative battery terminal.
- ✔ Final Check: Start your vehicle and test all body functions—windows, locks, lights, and radio—to confirm the repair was successful.
Important Post-Installation Notes
While our cloning makes this a plug-and-play repair, some GM vehicles require a final handshake between modules. Be aware of the following:
- Airbag System Sync: If the airbag warning light is on after installation, a simple ‘Setup SDM Primary Key in BCM’ procedure must be performed using a professional-grade scan tool. This syncs the BCM with the airbag module.
- Brake Pedal Position Relearn: On some models, a brake pedal position sensor relearn may be needed to ensure flawless operation of your brake lights and traction control system.
Disclaimer: Vehicle systems can vary. We always recommend consulting a factory service manual or a certified technician if you are unsure about any step.
Verified Vehicle Compatibility
This BCM is a direct fit for modules with part numbers: 13584695, 13586273, 13580697, 13588447, 13589197, 13589324, or 13589325. It is compatible with the following vehicles:
- 2013-2017 Chevrolet Equinox
- 2013-2017 GMC Terrain
- 2013-2017 Buick Verano
- 2013-2015 Chevrolet Cruze (and 2016 Cruze Limited)
- 2013 Buick Regal
- 2013 Cadillac SRX
- 2013 Chevrolet Malibu
- 2013 Chevrolet Volt
- 2013-2014 Buick Encore
- 2013-2014 Chevrolet Orlando
- 2013-2014 Chevrolet Trax
- 2014-2015 Chevrolet Spark (gasoline models)
Frequently Asked Questions
What exactly is a BCM cloning service?
Cloning is a process where we read the unique, vehicle-specific software and security data from your original BCM and write it directly onto a replacement unit. This makes the new module an exact digital copy of the old one, allowing it to work in your car without any additional programming.
Why is this better than buying a new BCM from a dealer?
Our cloning service saves you significant time and money. A new BCM from the dealer is just a blank box that requires expensive, specialized tools to program it to your car. Our service bypasses that entire step, providing a cost-effective, plug-and-play part.
Do I get my original part back?
Yes, absolutely. We always ship your original module back to you along with the fully programmed replacement unit. We do not keep your original part.
What if the airbag light comes on after I install it?
This is a known possibility on some GM vehicles. It simply means the new BCM needs to be electronically introduced to the airbag module (SDM). A mechanic with a professional scan tool can perform the ‘Setup SDM Primary Key in BCM’ procedure in a few minutes to clear the light.
How do I know if the BCM is really the problem?
While the symptoms listed are strong indicators, a proper diagnosis is always best. Common signs include multiple, unrelated electrical failures (lights, locks, windows) and communication trouble codes (U-codes) found with a scanner. If you’re unsure, consulting a professional technician is recommended.