Restore Full Functionality to Your GM Vehicle with a Plug-and-Play BCM
Are you dealing with frustrating electrical gremlins in your 2013 Buick Regal? Issues like erratic power windows, malfunctioning interior lights, a car that won’t start, or persistent warning lamps on the dash are often traced back to a single culprit: a failing Body Control Module (BCM). As the central nervous system for your vehicle’s electronics, a faulty BCM can cause widespread and confusing problems. In my 20+ years of experience, I’ve seen how a bad BCM can make a perfectly good car feel unreliable. This isn’t just an inconvenience; it can affect security systems and safety features.
This is a reliable, pre-programmed replacement BCM that solves the problem without the exorbitant costs and scheduling headaches of a dealership visit. We offer a straightforward mail-in cloning service. Simply purchase this module, send us your original BCM, and we’ll transfer all the critical vehicle-specific data—like VIN, mileage, and key information—to this replacement unit. The result is a true plug-and-play solution. When you receive it back, you can install it directly into your vehicle, bypassing the need for expensive dealer-specific scan tools for programming. It’s the most efficient way to get your car back to 100%.
A Technician’s Notebook: The Regal with a Mind of Its Own
I remember a 2013 Buick Regal that came into the shop with a list of symptoms that sounded like the car was haunted. The owner reported the radio would turn on by itself, the dome lights would flicker randomly, and occasionally, the key fob wouldn’t work. Initial checks on the battery and alternator were fine. We scanned for codes and got a slew of communication errors (U-codes) pointing to a network issue. Instead of chasing ghosts in the wiring, experience pointed me to the BCM. After installing a cloned BCM like this one, every single phantom issue vanished. It’s a classic case where one component failure creates a dozen confusing symptoms.
Common Signs of a Failing BCM
A failing 2013 Regal Body Control Module can manifest in numerous ways. If you’re experiencing any of the following, your BCM is the likely cause. Look out for communication-related Diagnostic Trouble Codes (DTCs) like U0100, U0140, or B-series codes related to body electronics.
- ✔ Power windows, locks, or mirrors operating intermittently or not at all.
- ✔ Interior or exterior lights (headlights, taillights) staying on or not turning on.
- ✔ The anti-theft system preventing the car from starting, even with the correct key.
- ✔ The horn honking unexpectedly or the alarm going off randomly.
- ✔ Inaccurate readings on the instrument cluster or flickering dash lights.
- ✔ Key fobs that stop working or have a severely limited range.
- ✔ Multiple, unrelated warning lights appearing on the dashboard.
A Straightforward Guide to Installation
Our cloning service makes the physical installation simple. Once you receive your programmed module, you can get your vehicle running in under an hour. The BCM on the 2013 Regal is typically located behind the left side of the dashboard.
- Safety First: Always disconnect the negative terminal from your vehicle’s battery before starting any electrical work.
- Locate the BCM: On the 2013 Regal, access the BCM by removing the trim panel on the driver’s side of the dashboard. It’s often mounted to a bracket.
- Disconnect and Remove: Carefully unplug the electrical connectors from the old BCM. Note their orientation. Then, unbolt or unclip the module from its mounting bracket.
- Install the New Module: Mount your newly programmed BCM in the same location. Reconnect all electrical connectors firmly, ensuring they click into place.
- Reconnect Power: Reattach the negative battery terminal.
- Test Functionality: Start the car and test all body functions: lights, locks, windows, radio, etc., to confirm the repair is successful.
Post-Installation Notes
In some cases, minor follow-up procedures may be needed. This is normal and depends on your vehicle’s specific configuration. Please be aware of the following:
- Airbag System Sync: If the airbag light is on after installation, a professional scan tool is required to perform the ‘Setup SDM Primary Key in BCM’ procedure. This syncs the airbag system with the new BCM.
- Brake Pedal Position Relearn: Some models may require a brake pedal position sensor relearn to ensure proper brake light and traction control operation.
Disclaimer: Always consult a factory service manual for your specific vehicle for detailed instructions and torque specs. While this is a DIY-friendly job, professional installation is always an option.
Verified Vehicle Compatibility
This BCM is a direct-fit replacement for several GM vehicles and part numbers. Please verify your original part number is on this list. This module is compatible with 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: 2013-2015, 2016 (Limited) (LH kick panel)
- Chevrolet Equinox: 2013-2017 (LH side dash)
- Chevrolet Malibu: 2013 (LH kick panel)
- Chevrolet Orlando: 2013-2014 (Below center console)
- Chevrolet Spark: 2014-2015 (Gasoline, left lower a-pillar)
- Chevrolet Trax: 2013-2014 (LH side of dash)
- Chevrolet Volt: 2013 (RH engine compartment)
- GMC Terrain: 2013-2017 (LH side dash)