Are you dealing with baffling electrical issues in your 2013 Buick Regal or another compatible GM vehicle? One moment the power windows work, the next they don’t. Maybe the interior lights have a mind of their own, or you’re seeing strange warning messages on your dash. Before you start tearing apart wiring harnesses, the culprit is often the Body Control Module (BCM)—the central nervous system for your car’s comfort and convenience features.
Replacing a BCM used to mean a mandatory, and expensive, trip to the dealership for programming. We’ve eliminated that step entirely. This is a professionally tested BCM that comes with our simple and effective Cloning Service. You send us your original BCM, and we transfer all the critical vehicle-specific data—including VIN, mileage, and key information—to this replacement unit. The result? A true plug-and-play module that restores full functionality without any additional programming or dealer visits. It’s the straightforward, reliable fix you’ve been looking for.
A Technician’s Notebook: The BCM Ghost
I remember a 2013 Chevy Cruze that came into the shop with a list of symptoms that sounded like a poltergeist. The radio would turn on and off, the driver’s side window was stuck down, and the remote key fob worked intermittently. The customer had already replaced the battery and checked all the fuses. A scan showed a handful of ‘U’ codes, specifically a U0140 (Lost Communication With Body Control Module). This is a classic sign. While wiring issues can cause this, on these GM platforms, the BCM itself is a very common point of failure. We swapped in a cloned BCM, and instantly, all the gremlins vanished. This simple mail-in service saves hours of diagnostic time and hundreds of dollars in dealership fees.
Common Signs of a Failing BCM
If your vehicle’s body control module is failing, you might be experiencing one or more of these frustrating symptoms. A faulty 2013 Regal BCM can disrupt your entire vehicle.
- ✔ Power windows, door locks, or mirrors operating erratically or not at all.
- ✔ Interior or exterior lights staying on or not turning on.
- ✔ Remote keyless entry failing to work consistently.
- ✔ The security or anti-theft system preventing the car from starting.
- ✔ False warning lights appearing on the instrument cluster (e.g., “Service Airbag”).
- ✔ Communication error codes, such as U0140, stored in the system.
Your Straightforward Path to a Reliable Fix
Our cloning service is designed to be as simple as possible. Here’s how you get your car back on the road:
- Step 1: Complete your purchase. We will then contact you with clear, step-by-step instructions and a shipping address.
- Step 2: Carefully remove your original BCM from your vehicle and ship it to us.
- Step 3: Once we receive your module, our technicians will professionally transfer all the necessary data to the replacement unit, typically within 24-48 hours.
- Step 4: We ship both your original module and the ready-to-install replacement back to you with tracking information.
A DIY-Friendly Guide to Installation
Installing your newly programmed 2013 Regal BCM is a manageable task for a confident DIYer. Always prioritize safety.
- Safety First: Disconnect the negative terminal from your vehicle’s battery and wait about 10 minutes to ensure all systems are powered down.
- Locate the BCM: On the 2013 Regal, the BCM is typically located on the left-hand (driver’s) side of the dashboard. In other models, it may be in the kick panel, under the console, or even in the engine bay (see fitment list for locations).
- Remove Connectors & Module: Carefully unplug all electrical connectors from the old BCM. Press the release tabs firmly to avoid damage. Then, unbolt or unclip the module from its mounting bracket.
- Install the New BCM: Mount the replacement module in the same position and securely reconnect all electrical connectors. You should hear a click as they lock into place.
- Reconnect Battery: Reattach the negative battery terminal. Your vehicle is now ready to start.
Important Post-Installation Notes
While our cloning service makes this a plug-and-play process, some GM vehicles may require a simple relearn procedure for full system harmony. Please be aware of the following:
- Airbag System Sync: If the airbag light is on after installation, a “Setup SDM Primary Key in BCM” procedure is needed. This requires a professional scan tool and syncs the BCM with the airbag system.
- Brake Pedal Position Relearn: On some models, a brake pedal sensor recalibration might be necessary to ensure correct brake light and traction control operation.
- Disclaimer: Always refer to a factory service manual for your specific vehicle. If you are not comfortable with these procedures, we recommend seeking assistance from a qualified mechanic.
Verified Vehicle Compatibility
This BCM is a direct-fit replacement for the following vehicles and part numbers. Please match your part number to ensure compatibility.
Compatible Part Numbers: 13584695, 13586273, 13580697, 13588447, 13589197, 13589324, 13589325
- Buick Encore: 2013-2014 (LH side of dash)
- Buick Regal: 2013 (LH dash)
- Buick Verano: 2013-2017 (Below center of dash)
- Cadillac SRX: 2013 (LH dash)
- Chevrolet Cruze: 2013 (LH kick panel, w/o opt ATH), 2014-2015 (LH kick panel), 2016 (LH kick panel, VIN P – Limited)
- Chevrolet Equinox: 2013-2017 (LH side dash)
- Chevrolet Malibu: 2013 (LH kick panel)
- Chevrolet Orlando: 2013-2014 (Below center console)
- Chevrolet Spark: 2014-2015 (Left lower a-pillar, gasoline model)
- Chevrolet Trax: 2013-2014 (LH side of dash)
- Chevrolet Volt: 2013 (RH engine compartment, ID 13580697 or 13586273)
- GMC Terrain: 2013-2017 (LH side dash)