Solve Frustrating Electrical Problems with a Hassle-Free Solution
Are you dealing with a vehicle that seems to have a mind of its own? Flickering dashboard lights, power windows that won’t cooperate, a security system that randomly engages, or worse, a car that refuses to start? These are classic signs of a failing Body Control Module (BCM). As a technician with over 20 years of experience, I’ve seen these electrical gremlins drive owners crazy. The BCM is the central nervous system for your car’s comfort and security features, and when it malfunctions, the symptoms can be unpredictable and confusing.
Instead of facing a costly bill and a long wait at the dealership for a new module and programming, we offer a straightforward, reliable alternative. This listing is for a replacement BCM that comes fully programmed with your vehicle’s specific data. Our professional cloning service makes this a plug-and-play repair. Simply send us your original BCM, and we’ll expertly transfer all the critical information—including VIN, mileage, and key data—to this quality replacement unit. We then ship it back to you, ready for installation.
A Technician’s Notebook: The Case of the Haunted Equinox
A customer brought in a 2012 Chevy Equinox that was causing him endless headaches. The interior lights would pulse dimly at night, the radio would shut off intermittently, and occasionally the anti-theft light would flash, preventing it from starting. He’d already replaced the battery and checked the alternator. After hooking up my scan tool, I saw a flurry of U-codes (communication errors) pointing to the BCM. Instead of a new module, we performed a data clone just like this service. Once the programmed BCM was installed, every single phantom issue vanished. It’s a perfect example of how a targeted 2012-2013 GM BCM repair can save hundreds over dealership guesswork.
Is Your Vehicle Showing These Symptoms of BCM Failure?
- ✔ Erratic or non-functional power windows, door locks, and mirrors.
- ✔ Interior or exterior lights that stay on, flicker, or don’t work at all.
- ✔ The security system engaging without reason, causing a no-start condition.
- ✔ Horn honking unexpectedly or not working when pressed.
- ✔ Diagnostic trouble codes (DTCs) related to communication errors, such as U0140, U0155, or other U-codes.
- ✔ Inconsistent operation of the windshield wipers.
A Straightforward Guide to Your BCM Installation
Installing your programmed BCM is a manageable task for a DIY enthusiast. The key is our cloning service, which handles the complex computer work for you.
- Safety First: Always disconnect the negative terminal from your vehicle’s battery before starting any electrical work.
- Locate the Original BCM: The location varies by model. It’s typically found in the driver’s side dash, kick panel, or under the center console. Consult a service manual for your specific vehicle if you’re unsure.
- Remove the Old Module: Carefully disconnect the electrical connectors. They have locking tabs that must be released. Then, unbolt the module from its mounting bracket.
- Install the Programmed BCM: Mount your new, pre-programmed module in place and securely reconnect all electrical harnesses.
- Reconnect Power: Reattach the negative battery terminal.
- Test Functionality: Start the vehicle and test all body functions—lights, locks, windows, radio, etc.—to confirm the repair was successful.
Important Post-Installation Notes
In some cases, your vehicle may require additional steps to fully sync the new module. This is normal and depends on your vehicle’s specific systems.
- Airbag System Sync: If the airbag warning light is on after installation, a professional scan tool is needed 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 recalibration to ensure correct brake light and traction control operation.
Disclaimer: Procedures can vary. Always consult a factory service manual or a qualified technician for guidance specific to your vehicle.
Verified Vehicle Compatibility
This 2012-2013 GM BCM is a direct replacement for several part numbers and is guaranteed to fit the following models and years. Please match your part number from the list below or verify your vehicle is on this fitment list.
Replaces Part Numbers: 13580696, 123589093, 13588446, 13584692, 13583542
- BUICK REGAL 2012: Body Control (BCM); (LH dash)
- BUICK LACROSSE 2012-2013: Body Control (BCM); (LH kick panel)
- BUICK VERANO 2012: Body Control (BCM); (below center of dash)
- CADILLAC SRX 2012: Body Control (BCM); (LH dash), ID 13580696
- CHEVROLET CAMARO 2012-2014: Body Control (BCM); (RH dash)
- CHEVROLET EQUINOX 2012: Body Control (BCM); (LH side dash)
- CHEVROLET SPARK 2013: Body Control (BCM); (left lower a-pillar)
- CHEVROLET VOLT 2012: Body Control (BCM); (RH engine compartment)
- GMC TERRAIN 2012: Body Control (BCM); (LH side dash)
Frequently Asked Questions
Frequently Asked Questions
How exactly does the cloning service work?
After you purchase, we will provide you with instructions to ship your original BCM to us. Once we receive it, we use specialized equipment to extract the unique software and security data and flash it onto the replacement module. We then ship the ready-to-install BCM back to you.
Why is this better than buying a used BCM from a junkyard?
A standard used BCM will not work in your vehicle because it’s programmed to the donor car. It would require expensive dealership programming. Our cloning service makes the replacement module a perfect match for your car out of the box, saving you time, money, and hassle.
Does my original BCM need to be in working condition to be cloned?
No. Even if your BCM is completely dead (e.g., due to water damage or internal shorts), we can almost always retrieve the necessary data from the memory chip to perform the programming service.
What if my airbag light comes on after I install it?
This is an expected possibility on some models. It simply means the BCM needs to be electronically introduced to the airbag module. A repair shop with a professional-grade scan tool can perform the ‘Setup SDM Primary Key in BCM’ procedure to resolve this.
Is there a core charge for this part?
No, there is no core charge. We need your original module to perform the data transfer, but you are not required to return it for a refund. You can keep your old part.
How long does the programming service take?
We typically complete the programming and ship your replacement 2012-2013 GM BCM within 1-2 business days of receiving your original module.