Is Your Cadillac SRX Experiencing Strange Electrical Problems?
The Body Control Module, or BCM, is the central nervous system for your vehicle’s comfort and security features. It manages everything from your power windows and door locks to the interior lighting, security system, and even communicates with other critical modules. When the BCM begins to fail in a 2011-2012 Cadillac SRX, it can cause a cascade of confusing and frustrating issues that can be difficult to diagnose. Instead of spending a fortune at the dealership on a new module and expensive programming, we offer a simple, cost-effective solution.
From the Diagnostic Bay
We recently had a 2011 Chevy Equinox (which uses this same BCM) come into the shop with a classic case of BCM failure. The customer complained that their turn signals would work intermittently, the radio would shut off randomly, and the security light was always on, sometimes preventing the car from starting. They had already replaced the battery and checked all the fuses. After a quick scan, we found multiple communication error codes pointing to the BCM. Instead of a costly replacement and programming ordeal at the dealer, we performed our data transfer service. The customer sent us their original module, we cloned the data to our replacement unit, and shipped it back. They plugged it in, and all the bizarre electrical gremlins were gone. It’s a straightforward fix that saves both time and money.
Symptoms of a Failing Body Control Module
- ✔ Intermittent or non-functional power windows, door locks, or mirrors.
- ✔ Erratic behavior from interior or exterior lights (staying on, not turning on, or flickering).
- ✔ The security system light is illuminated on the dash, or the vehicle won’t start.
- ✔ Horn honking unexpectedly or not working at all.
- ✔ Wipers activating on their own or not responding to the switch.
- ✔ Communication errors when trying to scan the vehicle with a diagnostic tool.
- ✔ False warnings on the instrument cluster (e.g., ‘Door Ajar’ when all doors are closed).
Your Plug-and-Play Solution for the 2011-2012 SRX BCM
This listing is for a replacement BCM that is professionally programmed with the data from your vehicle’s original module. This data transfer service makes the replacement process seamless. Because we clone your SRX’s specific information—including the VIN, mileage, and electronic key data—the new module is a true plug-and-play component. You can avoid the hassle and expense of a dealership visit for programming.
How Our Service Works:
- ✔ Purchase this service: Complete your order and ensure your contact information is up-to-date.
- ✔ We Contact You: We will reach out with simple instructions and the address to ship your original BCM to.
- ✔ Ship Your Original BCM: Securely package and send us your vehicle’s original BCM.
- ✔ We Program Your Replacement: Upon receipt, our technicians will transfer all the necessary data from your old module to the replacement unit.
- ✔ Receive Your Ready-to-Install BCM: We ship the programmed module back to you, typically within 1-2 business days. You’ll receive tracking information once it’s on its way.
Post-Installation Information
While our goal is a 100% plug-and-play experience, certain vehicle systems may require a simple sync procedure after installation. Please be aware of the following:
- Airbag System Sync: If the airbag warning light is on after you install the BCM, a procedure called ‘Setup SDM Primary Key in BCM’ will be needed. This requires a professional-grade scan tool to sync the airbag system with the new BCM and clear the light. This is only necessary if the light appears.
- Brake Pedal Position Relearn: On some models, a brake pedal position sensor recalibration might be necessary to ensure the brake lights and traction control system function correctly.
Always consult a factory service manual or a qualified technician for guidance specific to your vehicle.
Broad Compatibility Across GM Models
This versatile BCM is compatible with a wide range of General Motors vehicles and part numbers, ensuring a perfect fit for your application. This module directly replaces the following part numbers: 13579004, 13580198, 13582396, 13583450, 13586856, 13582688, 13586278, 13501737, 13501739, 13577924, 13580773, and 13583451. It is also a direct fit for models such as the Buick LaCrosse, Chevy Volt, Chevy Cruze, GMC Terrain, and more, as detailed in the fitment list.
Frequently Asked Questions
Why do I have to send you my original BCM?
Your original BCM contains critical data unique to your vehicle, including the VIN, security key information, and specific options. By transferring this data to the replacement module, we ensure it is a 100% plug-and-play part, saving you from expensive dealership programming.
Is this BCM difficult to install?
The physical installation is typically straightforward. On the 2011-2012 SRX, the BCM is located on the left-hand side of the dash. It involves removing a few trim panels and disconnecting electrical connectors. Most DIY mechanics with basic tools can complete the swap in under an hour.
What happens if the airbag light comes on after installation?
If the airbag light appears, it means the BCM needs to be electronically synced with the vehicle’s airbag module (SDM). This is a simple procedure called ‘Setup SDM Primary Key in BCM’ that can be performed by any automotive shop with a professional-grade diagnostic tool.
How long does the entire process take?
Once we receive your original module, our programming service is typically completed within 1-2 business days. The total time will depend on shipping times to and from our facility. We will provide you with tracking information for the return shipment.
Will this fix my no-start problem?
A faulty BCM is a common cause of no-start conditions related to the vehicle’s anti-theft or security system. If your vehicle’s security light is on and it refuses to start, a failing BCM is a very likely culprit. Our programmed module will restore this function.