Restore Your Vehicle’s Electrical System with a Hassle-Free Solution
Are you battling bizarre electrical gremlins in your 2013 Buick Regal or another compatible GM vehicle? Flickering lights, malfunctioning power windows, a horn that won’t quit, or a car that refuses to start are classic signs of a failing Body Control Module (BCM). As the central command center for your car’s body electronics, a faulty BCM can cause a cascade of frustrating and seemingly unrelated issues. Forget the expensive dealership visit and the days of vehicle downtime. This is a straightforward, reliable repair service for your 2013 Regal BCM that gets you back on the road quickly and affordably.
Our professional cloning service makes this repair easier than ever. You simply send us your original BCM, and we transfer all of its critical data—including VIN, mileage, and security information—to this fully tested replacement unit. When you receive it back, it’s a true plug-and-play installation. No need for a pricey trip to the dealer for programming. This is the smart fix for both savvy DIYers and professional technicians looking to save time and money.
Case Study: The Ghost in the Machine
A customer brought in a 2014 Chevy Cruze with a laundry list of complaints that sounded like a haunting. The radio would switch stations on its own, the dome light would stay on for hours after the car was off, and the anti-theft light would flash randomly, sometimes causing a no-start. They had already replaced the battery and checked the alternator. After hooking up my scan tool, I saw a dozen communication error codes (U-codes) pointing to the BCM. Instead of a costly new module and hours of programming, we performed a cloning service just like this one. The result? Every single phantom issue was resolved instantly. It’s a reminder that when multiple, unrelated electronics act up, the BCM is almost always the culprit.
Is Your GM Vehicle Showing These BCM Failure Signs?
- ✔ Erratic or non-functional power windows, door locks, and interior lights.
- ✔ The security or anti-theft light stays on, preventing the engine from starting.
- ✔ The horn, wipers, or headlights activate randomly or not at all.
- ✔ False warning messages appearing on the dashboard information center.
- ✔ Communication error codes stored, such as U0140, U0155, or other U-series codes.
- ✔ Complete loss of power to multiple accessory systems at once.
Your Straightforward BCM Installation Guide
- ✔ Safety First: Always disconnect the negative terminal from your vehicle’s battery before starting any electrical work.
- ✔ Locate the BCM: On the 2013 Regal, the BCM is typically located on the left (driver’s) side of the dashboard. For other models, its location can vary (see fitment list). Consult a service manual if you’re unsure.
- ✔ Disconnect and Remove: Carefully unplug the wiring harness connectors from the old BCM. They have locking tabs that need to be depressed. Once disconnected, unbolt or unclip the module from its mounting bracket.
- ✔ Install the New Module: Mount your newly programmed BCM in the same location and securely reconnect all wiring harnesses. You should hear a ‘click’ as they lock into place.
- ✔ Reconnect Power: Reattach the negative battery terminal.
- ✔ Perform Final Checks: Start the vehicle and test all body functions—windows, locks, lights, wipers, etc.—to confirm the repair. Note the post-installation procedures below.
Important Post-Installation Information
While our cloning service makes this a plug-and-play repair, some GM systems may require a quick sync-up after the new 2013 Regal BCM is installed:
- Airbag System Sync: If your airbag warning light is on after installation, a simple “Setup SDM Primary Key in BCM” procedure must be done with a professional-grade scan tool. This syncs the airbag system to the new BCM.
- Brake Pedal Position Relearn: On some models, a brake pedal position sensor relearn may be needed to ensure your brake lights and traction control system function correctly. This also requires a capable scan tool.
Disclaimer: Vehicle systems vary. We always recommend consulting a factory service manual or a qualified technician for procedures specific to your vehicle.
Verified Fitment For These GM Models
This module is a direct replacement for part numbers 13584695, 13586273, 13580697, 13588447, 13589197, 13589324, and 13589325, and fits the following vehicles:
- 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 (w/o opt ATH), 2014-2015, 2016 (Limited, VIN P) (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 model, 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)
Frequently Asked Questions
2013 Regal BCM
Is this a guaranteed fix for my car’s electrical problems?
If your vehicle is exhibiting multiple, unrelated electrical symptoms as described, a faulty BCM is the most likely cause. A proper diagnosis is always recommended, but this part will resolve issues directly caused by a failed .