Restore Your Vehicle’s Electrical System with a Plug-and-Play Solution
Are you dealing with baffling electrical issues in your 2012 Buick Regal or another compatible GM vehicle? Flickering dashboard lights, unresponsive power windows, or a car that refuses to start can often be traced back to a single component: a failing Body Control Module (BCM). In my 20+ years as a technician, I’ve seen how a faulty BCM can create a cascade of frustrating, hard-to-diagnose problems. This isn’t just an inconvenience; it can affect your vehicle’s safety and reliability.
We offer a straightforward and reliable fix. This listing is for a replacement BCM that is professionally programmed by cloning the data from your original module. This process ensures a seamless, plug-and-play installation, eliminating the need for expensive dealership programming or complex diagnostic tools. Simply purchase this service, ship us your original BCM, and we’ll send you back a fully programmed, ready-to-install replacement. It’s the most efficient way to get your car back to perfect working order.
A Technician’s Notebook: The Case of the Erratic Equinox
A customer brought in a 2012 Equinox with a laundry list of complaints: the radio would turn on and off, the driver’s side window worked intermittently, and the security light was always on. They had already replaced the battery and checked fuses with no luck. A quick scan revealed a slew of U-codes (communication errors), pointing to a network issue. After isolating other modules, all signs pointed to the BCM. These modules are the central hub for body electronics, and when they fail internally—often due to voltage spikes or moisture exposure—they can cause system-wide chaos. By cloning his original BCM data to our replacement unit, we had him back on the road in a day, with all electrical functions restored, saving him hundreds compared to a dealership visit.
Is Your Vehicle Showing These Symptoms?
A failing BCM can manifest in many ways. If you’re experiencing any of the following, this module is the likely solution:
- âś” Power windows, door locks, or interior lights not working correctly.
- âś” The security system light stays on, or the alarm goes off randomly.
- âś” The vehicle won’t start, but the battery and starter are good.
- âś” Dashboard warning lights (like ABS or Airbag) appear without a clear cause.
- âś” Communication error codes, particularly U-codes (e.g., U0140, U0155), are present.
- âś” Horn, wipers, or other accessories behave erratically.
A Straightforward Guide to Installation
Our service is designed to be as simple as possible. We handle the technical programming so you can focus on the physical swap.
- Order and Prepare: After you place your order, we will contact you with detailed instructions for shipping your original BCM to our facility. Please ensure your contact information is accurate.
- Ship Your Module: Carefully package and ship your original BCM to us. We recommend using a tracked shipping service.
- Cloning Process: Once we receive your module, our experts will extract the unique vehicle data and transfer it directly to the replacement unit. This preserves all your vehicle’s specific settings and key information.
- Receive & Install: We ship the programmed replacement BCM back to you, typically within one business day of receipt. Once it arrives, disconnect your vehicle’s battery, locate and remove the old BCM, and install the new one. Reconnect the battery, and you’re ready to go!
Important Post-Installation Information
While our cloning service makes this a near plug-and-play repair, some GM vehicles may require a simple relearn procedure. Please be aware of the following:
- Airbag System Sync: If the airbag warning light is illuminated after installation, a ‘Setup SDM Primary Key in BCM’ procedure must be performed. This requires a professional-grade scan tool to sync the new BCM with the airbag system. This is only necessary if the light is on.
- Brake Pedal Position Relearn: On some models, a brake pedal position sensor recalibration might be needed to ensure correct brake light operation and to prevent issues with the traction control system.
Disclaimer: Vehicle systems vary. We always recommend consulting a factory service manual or a certified technician if you are unsure about any step. No core charge is required; you can keep your original module.
Verified Vehicle Compatibility
This BCM, part number 13583542, is a direct replacement for several part numbers including 13580696, 123589093, 13588446, and 13584692. It is guaranteed to fit the following vehicles:
- Buick LaCrosse: 2012-2013 (Located at LH kick panel)
- Buick Regal: 2012 (Located at LH dash)
- Buick Verano: 2012 (Located below center of dash)
- Cadillac SRX: 2012 (Located at LH dash)
- Chevrolet Camaro: 2012-2014 (Located at RH dash)
- Chevrolet Equinox: 2012 (Located at LH side dash)
- Chevrolet Spark: 2013 (Located at left lower a-pillar)
- Chevrolet Volt: 2012 (Located at RH engine compartment)
- GMC Terrain: 2012 (Located at LH side dash)
Frequently Asked Questions
How does the programming service work?
You send us your vehicle’s original Body Control Module. We use specialized equipment to read the essential data—like VIN, key information, and other settings—and transfer it to this replacement BCM. This makes the new module an exact electronic copy of your old one.
Why is cloning better than buying a used, unprogrammed BCM?
An unprogrammed BCM is just a blank box. It would require a trip to the dealership for expensive, complex programming with their proprietary tools. Our cloning service bypasses that entirely, providing a part that’s ready to install right out of the box.
How long does the whole process take?
We typically program and ship the replacement module back to you within 24-48 hours of receiving your original BCM. The total time depends on your shipping speed to and from our facility.
Do I need to send my keys with the BCM?
No, you do not need to send your keys. All the necessary immobilizer and key data is stored within the BCM itself, and our cloning process transfers it perfectly to the new unit.
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 resolve this.