If your 2012 Chevrolet Equinox is suffering from bizarre electrical issues like flickering lights, malfunctioning power windows and locks, or a security system that has a mind of its own, you’ve likely pinpointed the culprit: a failing Body Control Module (BCM). As the central hub for your vehicle’s body electronics, a faulty BCM can cause widespread and frustrating problems. This isn’t just an inconvenience; it can affect vehicle security and safety. We offer a straightforward and reliable solution that bypasses the expensive and time-consuming trip to the dealership.
This is a replacement BCM that comes pre-programmed with your vehicle’s specific data. Our professional cloning service transfers all the critical information from your original BCM to this replacement unit. The process is simple: after your purchase, we’ll provide instructions for you to ship your original module to our facility. Our technicians will then perform a full data clone, ensuring the replacement is a perfect match for your Equinox. We ship it back to you, ready for installation. This means no need for expensive factory scan tools or programming subscriptions on your end.
From the Diagnostic Bay: The Case of the Spontaneous Alarm
A customer brought in a 2012 GMC Terrain—which uses this same BCM family—with a complaint that drove them nuts: the car alarm would go off randomly in the middle of the night. They’d already replaced the battery and checked all the door latch sensors. After hooking up my diagnostic tool, I saw no specific alarm trigger codes, just a handful of intermittent communication errors (U-codes) pointing to the BCM. These modules can develop internal faults on the circuit board that cause these ghost-like issues. By cloning their original BCM to one of our tested units, we solved the problem in a day without them having to pay for hours of diagnostic time or a brand-new module from the dealer.
Is Your Equinox Showing These Symptoms?
A failing BCM can manifest in numerous ways. If you’re experiencing any of the following, this module is your solution:
- ✔ Erratic or non-functional interior and exterior lights.
- ✔ Power windows, door locks, or mirrors working intermittently or not at all.
- ✔ The security system engaging incorrectly or the key fob not responding.
- ✔ Unexplained battery drain that leaves you with a dead battery.
- ✔ Warning messages on the instrument cluster, such as ‘Service Theft Deterrent System’.
- ✔ Communication loss codes (U-codes) stored in other modules.
A Straightforward Guide to BCM Installation
Once you receive your programmed module, installation is manageable for a DIYer with basic tools. The BCM in the 2012 Equinox is typically located on the left (driver’s) side of the dashboard.
- Safety First: Always disconnect the negative terminal from your vehicle’s battery before working on any electronic components.
- Locate the BCM: On the Equinox, you’ll find the BCM on the driver’s side of the dash, often behind the lower dash panel or near the interior fuse box. Access may require removing a trim panel.
- Disconnect Connectors: Carefully release the locking tabs on the electrical connectors and pull them straight out from the module. There are usually several multi-pin connectors.
- Remove the Old Module: Unbolt or unclip the old BCM from its mounting bracket.
- Install the New BCM: Mount your pre-programmed replacement module in the same location, ensuring it is secure.
- Reconnect Everything: Plug all electrical connectors firmly back into the new BCM. You’ll hear a click as they lock in place. Reconnect the negative battery terminal.
Important Post-Installation Information
Because we clone your original data, most functions will work immediately. However, in some GM vehicles, certain security handshakes need to be re-established.
- Airbag System Sync: If the airbag warning light is illuminated after installation, a simple procedure called ‘Setup SDM Primary Key in BCM’ is required. This syncs the airbag system with the new BCM and must be done with a professional-grade diagnostic tool.
- Brake Pedal Position Relearn: Some models may require a brake pedal position sensor relearn to ensure the brake lights and stability control systems function correctly. This is also performed with a scan tool.
Disclaimer: Always consult a factory service manual for your specific vehicle for detailed instructions and torque specs. If you are not comfortable performing this repair, please seek assistance from a qualified mechanic.
Will This Fit My Vehicle?
This BCM is a direct replacement for part numbers 13580696, 123589093, 13588446, 13584692, and 13583542. It is guaranteed to fit the following vehicles:
- 2012 Buick Regal: Body Control (BCM); (LH dash)
- 2012-2013 Buick LaCrosse: Body Control (BCM); (LH kick panel)
- 2012 Buick Verano: Body Control (BCM); (below center of dash)
- 2012 Cadillac SRX: Body Control (BCM); (LH dash), ID 13580696
- 2012-2013 Chevrolet Camaro: Body Control (BCM); (RH dash)
- 2014 Chevrolet Camaro: Body Control (BCM); (RH dash), Coupe
- 2012 Chevrolet Equinox: Body Control (BCM); (LH side dash), body control
- 2013 Chevrolet Spark: Body Control (BCM); (left lower a-pillar)
- 2012 Chevrolet Volt: Body Control (BCM); (RH engine compartment)
- 2012 GMC Terrain: Body Control (BCM); (LH side dash), body control
Frequently Asked Questions
What does ‘cloning’ mean for this BCM?
Cloning is the process of transferring the exact software, VIN, key data, and vehicle options from your original BCM to the replacement unit. This makes the new module plug-and-play, avoiding the need for the dealer to program it from scratch.
Do I have to send my original BCM to you?
Yes. To ensure a perfect data match and avoid programming issues, we require your original module to perform the cloning service. We will contact you with shipping instructions after your purchase.
What if my original BCM is completely dead or not communicating?
In many cases, even if the BCM is failing, we can still extract the necessary data from the memory chip. Please contact us with details of your module’s failure if you have concerns.
Is there a core charge for my old part?
No, there is no core charge. After we clone the data, you can keep your original module.
How long does the programming service take?
We typically clone and ship your replacement BCM within 1-2 business days of receiving your original module. You will receive a tracking number once it’s on its way back to you.
Will I need special tools for the post-installation procedures?
If the airbag light comes on or the brake pedal sensor needs a relearn, you will need a professional-grade bidirectional scan tool. Many local repair shops can perform these quick procedures for you if needed.