Tired of Unpredictable Electrical Problems in Your GM Vehicle?
As a technician with over two decades of experience, I’ve seen it all when it comes to baffling electrical gremlins. Your power windows have a mind of their own, the interior lights flicker like a horror movie, your key fob works intermittently, and sometimes the car won’t even start. These aren’t separate, unrelated issues; they often point directly to one component: a failing Body Control Module (BCM). The BCM is the central nervous system for your vehicle’s body electronics, and when it malfunctions, it creates chaos. This is a particularly common issue in vehicles like the 2012 Cadillac SRX.
Instead of paying a fortune at the dealership for a new module and expensive programming fees, our professional cloning service offers a reliable and cost-effective solution. We take the vital, vehicle-specific data from your original BCM and transfer it directly to this fully tested replacement unit. The result is a true plug-and-play module tailored to your exact vehicle, preserving all original functions like your key programming and vehicle options. This service for the 2012 SRX BCM gets you back on the road without the dealership headache.
A Technician’s Notebook: The Case of the Confused Cadillac
A customer brought in a 2012 SRX with a laundry list of complaints: the radio would randomly shut off, the turn signals would sometimes not work, and a ‘Service Theft Deterrent System’ message kept appearing. They had already replaced the battery and checked all the fuses. A scan revealed a dozen communication codes (U-codes), all pointing to a network failure. Instead of chasing each code individually, my experience pointed straight to the BCM. The BCM acts as a gateway for many of these systems. By swapping in a cloned BCM, all communication was restored, and every single symptom vanished. It’s a classic example of how one failing module can make a perfectly good car seem like it’s falling apart.
Is Your Vehicle Showing These Symptoms?
- ✔ Erratic or non-functional power windows, locks, or mirrors.
- ✔ Interior or exterior lights flickering, staying on, or not working at all.
- ✔ Key fob not being recognized or intermittent remote start issues.
- ✔ ‘Service Theft Deterrent System’ or other security-related warnings on the dash.
- ✔ A no-start condition where the engine cranks but won’t fire, or doesn’t crank at all.
- ✔ Multiple communication Diagnostic Trouble Codes (DTCs), such as U0140, U0155, or U0100.
- ✔ Unpredictable behavior from the radio, climate control, or instrument cluster.
A Straightforward Guide to Your BCM Installation
- ✔ Safety First: Always disconnect the negative terminal from your vehicle’s battery before starting any electrical work.
- ✔ Locate the Original BCM: On the 2012 SRX, the BCM is typically located on the left-hand (driver’s) side of the dashboard, often behind the lower dash panel or kick panel. Locations vary for other models (see fitment list).
- ✔ Remove the Old Module: Carefully unplug the electrical connectors. They have locking tabs that need to be depressed. Then, unbolt the module from its mounting bracket.
- ✔ Install the New Module: Mount your newly programmed BCM in the same location and securely reconnect all electrical connectors. Ensure they click into place.
- ✔ Reconnect Power: Re-attach the negative battery terminal.
- ✔ Verify Functionality: Start the car and test all the functions that were previously malfunctioning—windows, locks, lights, radio, etc.
Important Post-Installation Information
While our cloning service makes this a near plug-and-play process, some GM vehicles require a final handshake between modules. Please be aware of the following:
- Airbag System Sync: If your airbag warning light is on after installation, a simple ‘Setup SDM Primary Key in BCM’ procedure is needed. This requires a professional scan tool and syncs the BCM with the airbag system.
- Brake Pedal Position Relearn: On some models, a brake pedal position sensor recalibration may be necessary to ensure the brake lights and traction control system function correctly. This is also performed with a professional scan tool.
Disclaimer: Specific procedures can vary by vehicle. Always consult a factory service manual or a qualified technician for guidance.
Guaranteed Vehicle Compatibility
This BCM is a direct fit for units with part numbers 13580696, 123589093, 13588446, 13584692, or 13583542. It is confirmed to fit the following vehicles:
- ✔ Buick LaCrosse: 2012-2013 (LH kick panel)
- ✔ Buick Regal: 2012 (LH dash)
- ✔ Buick Verano: 2012 (below center of dash)
- ✔ Cadillac SRX: 2012 (LH dash)
- ✔ Chevrolet Camaro: 2012-2014 (RH dash)
- ✔ Chevrolet Equinox: 2012 (LH side dash)
- ✔ Chevrolet Spark: 2013 (left lower a-pillar)
- ✔ Chevrolet Volt: 2012 (RH engine compartment)
- ✔ GMC Terrain: 2012 (LH side dash)
Frequently Asked Questions
What is a “cloning” service?
Cloning is the process of reading the critical, vehicle-specific software from your original BCM and writing it onto the replacement module. This includes your vehicle’s VIN, key information, and other settings. This ensures the replacement part works seamlessly with your car’s other computers without requiring a trip to the dealer for programming.
How does the mail-in process work?
After you place your order, we will contact you with detailed instructions for shipping your original BCM to our facility. Once we receive it, our technicians will perform the cloning service and ship your new, programmed module back to you, typically within 1-2 business days. We provide tracking for the return shipment.
Is this better than buying a used BCM from a junkyard?
Absolutely. A used BCM from another vehicle will have the wrong programming and will not work in your car. It would still require expensive programming at a dealership, if it’s even compatible. Our service provides a fully tested module that is guaranteed to work with your specific vehicle’s configuration.
Do I need to send my keys with the module?
No, you do not need to send your keys. Because we are cloning all the data from your original module, the replacement BCM will already recognize your existing keys upon installation.
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. If your module has severe water or fire damage, data recovery may not be possible. Please contact us before ordering if you believe your module is physically destroyed.
Is there a core charge for this part?
No, there is no core charge. You can keep your original module after you send it to us for the data transfer service.