Restore Your Vehicle’s Electrical Sanity
Are you chasing down bizarre electrical gremlins in your 2012 Cadillac SRX? One day the power windows have a mind of their own, the next the radio won’t turn off, or you’re seeing random warning lights flash on the dash. These frustrating, seemingly unrelated issues often point to one central culprit: a failing Body Control Module (BCM). As the nerve center for your vehicle’s body electronics, when the BCM starts to go, it can cause system-wide chaos. This isn’t just an annoyance; it can affect security, lighting, and other critical functions.
We offer a straightforward, reliable solution. This listing is for a replacement BCM that comes pre-programmed with your vehicle’s exact data. By cloning the software from your original module, we eliminate the need for expensive and time-consuming dealership programming. You get a component that is truly plug-and-play, restoring full functionality and peace of mind.
A Technician’s Notebook: The SRX with a Ghost
I once had a 2012 SRX in the bay that was driving its owner crazy. The key fob would work intermittently, the interior lights would flicker, and the anti-theft system would randomly engage. The owner had already replaced the battery and checked all the fuses. Diagnostics showed a handful of communication error codes (like U0140 – Lost Communication With Body Control Module) but no single, obvious failure. This is classic BCM failure. Instead of a new, blank module requiring hours of programming, we used a cloned unit. The entire process, from receiving the customer’s old BCM to shipping the programmed replacement, took a fraction of the time and cost, and the car was back to perfect working order immediately after installation.
Is Your Vehicle Showing These Symptoms?
- ✔ Erratic or non-functional power windows, door locks, or mirrors.
- ✔ Interior or exterior lights flickering, staying on, or not working at all.
- ✔ The security system engaging randomly or the key fob not being recognized.
- ✔ Inconsistent operation of the radio, climate controls, or instrument cluster gauges.
- ✔ Dashboard warning lights for ABS, Airbag, or Traction Control appearing without a clear cause.
- ✔ Communication DTCs like U0140, U0155, or B1001 stored in other modules.
A Straightforward Guide to BCM Installation
Our cloning service handles the complicated programming, making the physical swap simple for a DIYer or professional mechanic. Always prioritize safety.
- Safety First: Disconnect the negative terminal from your vehicle’s battery and wait at least 15 minutes to allow all systems to power down completely.
- Locate the BCM: On the 2012 SRX, the BCM is typically located on the left-hand (driver’s) side of the dash. You may need to remove a lower dash panel or kick panel for access.
- Disconnect and Remove: Carefully unplug the electrical connectors from the old BCM. They have locking tabs, so be gentle. Once disconnected, unbolt or unclip the module from its mounting bracket.
- Install the New Module: Mount your newly programmed BCM in the same location and securely reconnect all electrical harnesses. Ensure they click into place.
- Reconnect Power: Re-attach the negative battery terminal.
- Test and Verify: Start the vehicle and test all body functions—windows, locks, lights, radio, etc.—to confirm everything is working correctly.
Important Post-Installation Information
While our programming makes this a plug-and-play repair, some vehicle systems may require a final handshake to fully sync with the new BCM. This is normal and can typically be done with a bi-directional scan tool.
- Airbag System Sync: If the airbag warning light is illuminated after installation, a procedure called ‘Setup SDM Primary Key in BCM’ is needed. This syncs the airbag system with the BCM and turns off the light.
- Brake Pedal Position Relearn: On some models, a brake pedal position sensor recalibration might be necessary to ensure correct brake light and traction control operation.
Disclaimer: Vehicle systems vary. We always recommend consulting a factory service manual or a qualified technician if you are unsure about any step.
Will This Fit My Vehicle?
This BCM programming service is compatible with part number 13580696 and is an exact replacement for interchangeable part numbers 123589093, 13588446, 13584692, and 13583542. It is verified to fit the following vehicles:
- Cadillac SRX: 2012 (Body Control (BCM); (LH dash), ID 13580696)
- Buick LaCrosse: 2012-2013 (Body Control (BCM); (LH kick panel))
- Buick Regal: 2012 (Body Control (BCM); (LH dash))
- Buick Verano: 2012 (Body Control (BCM); (below center of dash))
- Chevrolet Camaro: 2012-2014 (Body Control (BCM); (RH dash))
- Chevrolet Equinox: 2012 (Body Control (BCM); (LH side dash), body control)
- 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), body control)
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. Once we receive it, we transfer all the critical data (VIN, mileage, key info, security settings) to the replacement module. We then ship the fully programmed, ready-to-install BCM back to you.
Do I need to send my keys?
No. Because we are cloning your original module’s data, the replacement BCM will recognize your existing keys, saving you the hassle and expense of key reprogramming.
Is there a core charge?
No, there is no core charge for this service. You can keep your original module after you ship it to us for the data transfer.
What if the airbag light comes on after I install it?
This is a possibility and is not a defect. It simply means the BCM needs to be electronically synced with the vehicle’s airbag module (SDM). This requires a ‘Setup SDM Primary Key in BCM’ procedure using a professional scan tool.
Why is this better than buying a used BCM from a junkyard?
A used BCM from another vehicle will have the wrong VIN and security information. It will not start or run your vehicle correctly without extensive, dealer-level programming. Our cloning service ensures the BCM is a perfect electronic match for your specific car.