Restore Your Vehicle’s Electrical Stability and End the Frustration
Are you dealing with bizarre electrical issues in your 2012 GMC Terrain? Maybe the power windows have a mind of their own, the interior lights flicker randomly, or the vehicle refuses to start for no apparent reason. These aren’t just annoyances; they’re classic signs of a failing Body Control Module (BCM), the central command center for your vehicle’s electronics. Driving with a faulty BCM is not only frustrating but can also compromise safety systems. This isn’t a problem you have to live with, and the solution doesn’t require an expensive trip to the dealership.
We offer a reliable, streamlined solution: a professionally programmed BCM that’s ready to install right out of the box. Our service is built on a simple mail-in cloning process. You send us your original BCM, and we transfer all its critical data—including the VIN, security information, and specific options—to this fully tested replacement module. This means no costly and time-consuming dealer programming is required. You get a part that is plug-and-play, restoring your vehicle’s functionality quickly and affordably.
A Technician’s Notebook
I remember a 2012 Equinox—which shares its platform with the Terrain—that came into the shop with a laundry list of complaints from the owner. The radio would turn off, the turn signals worked intermittently, and the anti-theft light would stay on, preventing it from starting. The owner had already replaced the battery and checked fuses, getting nowhere. After hooking up the scan tool, I saw a dozen communication error codes (U-codes) pointing to a network failure. The culprit? A failing BCM. Instead of a costly new unit and hours of programming, we used a cloned module just like this one. The customer mailed in his original, we cloned it, and he installed the replacement himself in under 30 minutes. All the electrical gremlins vanished instantly. It’s a perfect example of how the right part, correctly programmed, can be a simple fix for a very complex-seeming problem.
Is Your GM Vehicle Showing These Symptoms?
- ✔ Erratic or non-functional power windows, door locks, or mirrors.
- ✔ Interior or exterior lights that flicker, stay on, or don’t work at all.
- ✔ The security system activating randomly or preventing the engine from starting.
- ✔ Wipers or the horn operating unexpectedly.
- ✔ Multiple warning lights on the dashboard with no clear cause.
- ✔ Diagnostic trouble codes (DTCs) related to communication errors, such as U0140, U0155, or other U-series codes.
Your Straightforward Installation Path
- ✔ Purchase This Service: After you place your order, we will contact you with detailed instructions and a shipping address. Please ensure your contact information is up to date.
- ✔ Ship Us Your Original BCM: Carefully remove your vehicle’s original Body Control Module and package it securely. Ship it to the address we provide.
- ✔ Cloning Process: Once we receive your module, our experts will meticulously transfer all the necessary programming to the replacement BCM. This process typically takes 1-2 business days.
A Note on Post-Installation Procedures
In most cases, this module is fully plug-and-play. However, on some GM models, additional steps may be required after installation:
- Airbag System Sync: If you see an airbag warning light, a technician will need to perform the “Setup SDM Primary Key in BCM” procedure with a professional scan tool. This syncs the new BCM with the airbag system.
- Brake Pedal Position Relearn: To ensure proper brake light and traction control operation, a brake pedal position sensor relearn might be necessary. This can also be done with a compatible diagnostic tool.
Disclaimer: Specific procedures can vary by vehicle. Always consult a factory service manual or a qualified technician for guidance.
Verified Vehicle Compatibility
This BCM is a direct replacement for part numbers 13580696, 123589093, 13588446, 13584692, and 13583542. It is guaranteed to fit the following vehicles:
- Buick LaCrosse: 2012 (ID 13580696), 2013
- Buick Regal: 2012
- Buick Verano: 2012
- Cadillac SRX: 2012 (ID 13580696)
- Chevrolet Camaro: 2012-2013, 2014 (Coupe)
- Chevrolet Equinox: 2012
- Chevrolet Spark: 2013
- Chevrolet Volt: 2012
- GMC Terrain: 2012
Frequently Asked Questions
How does the mail-in cloning service work?
After your purchase, we’ll email you shipping instructions. You send us your original BCM. We then copy its unique data (VIN, security, etc.) to the replacement module and ship it back to you, ready for installation.
Do I need to have this BCM programmed by a dealer?
No. Our cloning service makes this a plug-and-play solution. All the necessary programming from your original module is transferred, so you can avoid the time and expense of a dealer visit.
What is a core charge? Do I have to send my old part back?
There is no core charge. You must send us your original BCM for the cloning service, but you can keep it afterward if you wish.
How long does the entire process take?
Once we receive your module, the cloning and processing take 1-2 business days. The total time depends on shipping transit times to and from our facility. We provide tracking for the return shipment.
What if I install it and the airbag light comes on?
This is a known possibility on some GM vehicles. It simply means the new BCM needs to be synced with the airbag module. A qualified mechanic with a professional scan tool can perform the ‘Setup SDM Primary Key in BCM’ procedure to resolve this.
Will this fix my specific problem?
This BCM will fix issues directly caused by a failing Body Control Module. While we cannot diagnose your vehicle remotely, the symptoms listed are strong indicators of BCM failure. We always recommend proper diagnostics to confirm the BCM is the root cause.