Are you dealing with baffling electrical issues in your 2012 Cadillac SRX or another compatible GM vehicle? Flickering lights, malfunctioning power windows, a dead instrument cluster, or a car that refuses to start can all point to one culprit: a failing Body Control Module (BCM). As a technician with over two decades of experience, I’ve seen how a faulty BCM can turn a reliable vehicle into a source of constant frustration. The dealership solution often involves a brand-new module and several hours of expensive programming fees. We offer a smarter, more direct solution.
This is a fully tested replacement BCM that comes programmed specifically for your vehicle. Our professional cloning service transfers the critical data from your original BCM directly onto this replacement unit. The result? You receive a module that is truly plug-and-play, eliminating the need for a trip to the dealer for costly key and system programming. Simply install it, and you’re ready to go. This service is designed to restore your vehicle’s factory functions seamlessly and get you back on the road with confidence.
Common Signs of a Failing GM Body Control Module
- ✔ Erratic or non-functional interior and exterior lights (headlights, dome lights).
- ✔ Power windows, door locks, or security system acting up intermittently.
- ✔ Instrument panel gauges or warning lights behaving strangely or not working at all.
- ✔ The engine won’t crank or start, even with a good battery and starter.
- ✔ Diagnostic Trouble Codes (DTCs) such as U0140 (Lost Communication With Body Control Module) or other U-codes indicating network issues.
- ✔ Horn honking unexpectedly or not working when pressed.
From the Diagnostic Bay: The Case of the Haunted Equinox
A customer brought in a 2012 Chevy Equinox with a list of symptoms that sounded like something out of a horror movie. The radio would change stations on its own, the dome light would flicker while driving, and twice it had refused to start. They had already replaced the battery to no avail. My initial scan showed a flood of communication errors pointing back to the BCM. Instead of quoting them over a thousand dollars for a new module and programming at the dealer, we recommended our cloning service. We received their old BCM, transferred its ‘DNA’ to a replacement unit, and shipped it back. The customer installed it in their driveway in under an hour. The ‘haunting’ stopped immediately—all systems returned to normal. This is the power of a properly programmed 2012 SRX BCM and its equivalents; it’s a targeted, effective fix.
Your Straightforward BCM Installation Guide
- ✔ Step 1: Locate and Ship Your Original BCM. After purchase, we will provide instructions for shipping your original BCM to our facility. Its location varies by model (e.g., under the dash on the driver’s side for the SRX, in the passenger kick panel for the LaCrosse).
- ✔ Step 2: We Program Your Replacement. Once we receive your module, our technicians will professionally clone all necessary data to the replacement BCM, typically within 1-2 business days.
- ✔ Step 3: Install the Programmed Module. We ship the plug-and-play BCM back to you. Before you begin, disconnect the negative battery terminal. Carefully remove the electrical connectors from the old BCM and unbolt it. Install the new module, reconnect the connectors, and re-secure the battery terminal.
- ✔ Step 4: Perform Post-Installation Checks. Start the vehicle and verify that all functions (lights, locks, windows) are working correctly. In some cases, as detailed below, an airbag or brake pedal position relearn may be required using a professional scan tool.
Important Notes on Post-Installation Procedures
While our goal is a 100% plug-and-play experience, certain vehicle safety systems may require a quick sync-up procedure after the BCM is replaced. This is normal and ensures all components communicate correctly.
- Airbag System Sync: If your airbag light is on after installation, a ‘Setup SDM Primary Key in BCM’ procedure is needed. This syncs the new BCM with the airbag system and can be done by any competent shop with a professional-grade diagnostic tool.
- Brake Pedal Position Relearn: Some models may require a brake pedal position sensor recalibration to ensure accurate brake light operation and traction control performance.
Verified Fitment For These GM Vehicles
This BCM is a direct replacement for part numbers 13580696, 123589093, 13588446, 13584692, and 13583542. It is confirmed to fit the following models:
- 2012 Buick Regal: Body Control (BCM); (LH dash)
- 2012-2013 Buick LaCrosse: Body Control (BCM); (LH kick panel)
- 2012-2014 Chevrolet Camaro: Body Control (BCM); (RH dash)
- 2012 Chevrolet Equinox: Body Control (BCM); (LH side dash)
- 2013 Chevrolet Spark: Body Control (BCM); (left lower a-pillar)
- 2012 Chevrolet Volt: Body Control (BCM); (RH engine compartment)
- 2012 Cadillac SRX: Body Control (BCM); (LH dash), ID 13580696
- 2012 GMC Terrain: Body Control (BCM); (LH side dash)
- 2012 Buick Verano: Body Control (BCM); (below center of dash)
Frequently Asked Questions
How does the programming service work?
After you place your order, we will contact you with instructions to ship your original BCM to us. We then extract the vehicle-specific data and flash it onto the replacement module. We ship the programmed module back to you, ready for installation.
Do I need to send my keys?
No, you do not need to send us your keys. All the necessary security and key information is stored within the BCM data, which we transfer directly. Your existing keys will work seamlessly.
Is this a plug-and-play solution?
Yes, our cloning service makes this a plug-and-play part, saving you from expensive dealership programming. In some rare cases, a simple relearn procedure for the airbag or brake pedal sensor may be needed, which can be done by a local mechanic.
What is the turnaround time?
Once we receive your original module, the programming and shipping process typically takes 1-2 business days. We will send you a tracking number as soon as your replacement BCM is on its way back to you.
Is there a core charge for my old BCM?
No, there is no core charge. We need your original module to perform the data cloning service, but you are not required to leave it with us. However, most customers find it easiest to let us handle its disposal.
Will this fix my specific problem?
This module will correct issues directly caused by a faulty BCM, such as the symptoms listed above. It is essential to have your vehicle properly diagnosed to confirm the BCM is the root cause before ordering.