Tired of Electrical Gremlins in Your Cadillac SRX?
Is your 2011-2012 Cadillac SRX acting haunted? One day the power windows have a mind of their own, the next the radio won’t turn off, and random warning lights are flashing on your dash. As a technician with over two decades of experience, I’ve seen these exact frustrations countless times. These seemingly unrelated electrical issues almost always point to one culprit: a failing Body Control Module (BCM). The BCM is the central nervous system of your vehicle’s electronics, and when it starts to fail, it can cause a cascade of baffling and annoying problems.
Instead of facing a costly trip to the dealership for a new module and expensive programming fees, we offer a straightforward and reliable solution. This is a complete programming service for your 2011-2012 SRX BCM. You simply send us your original BCM, and we transfer all of its critical data—including VIN, mileage, and key information—to this fully tested replacement unit. We then ship it back to you, ready for a simple, plug-and-play installation. No dealer visits, no special programming tools required on your end.
Case Study: A Tricky Diagnosis
A customer brought in their 2011 SRX with a truly bizarre list of complaints: the interior dome lights would stay on, the driver’s side power lock was intermittent, and the vehicle would occasionally refuse to start, showing no communication with the scan tool. They had already replaced the battery and checked fuses with no luck. After connecting my professional diagnostic tool, I saw multiple U-codes (communication loss) pointing towards the BCM. We performed our cloning service, and the customer had their SRX back the next day with all electrical functions restored to normal. It’s a classic case of how a failing BCM can mimic multiple other problems.
Is Your Cadillac SRX Showing These Signs?
A faulty BCM can manifest in many ways. If you’re experiencing any of the following, it’s a strong indicator that your Body Control Module needs attention:
- ✔ Intermittent or non-working power windows, door locks, or mirrors.
- ✔ Interior or exterior lights flickering, staying on, or not working at all.
- ✔ The security system acting erratically or preventing the car from starting.
- ✔ Unexplained warning lights on the instrument cluster (like ABS, Traction Control, or Airbag).
- ✔ Problems with the radio, climate control, or other interior accessories.
- ✔ Diagnostic trouble codes (DTCs) related to communication loss, such as U0140, U0155, or other U-codes.
- ✔ Inconsistent starting or no-start conditions.
Your Straightforward BCM Installation Guide
Installing your newly programmed BCM is a manageable task for a DIY enthusiast or any professional mechanic. The BCM on the 2011-2012 SRX is typically located behind the left-hand (driver’s side) of the dashboard.
- Safety First: Always disconnect the negative terminal from your vehicle’s battery and wait a few minutes to ensure all systems are powered down.
- Locate the BCM: Access the BCM by removing the necessary trim panels on the driver’s side dash. It’s often a black box with multiple large electrical connectors.
- Disconnect and Remove: Carefully unplug all electrical connectors from the old BCM. Note their orientation. Then, unbolt the module from its mounting bracket.
- Install the New Module: Mount your pre-programmed replacement BCM in the same location. Securely reconnect all electrical connectors to their correct ports.
- Reconnect and Test: Reconnect the negative battery terminal. Turn the key to the ‘ON’ position (without starting the engine) and test all body functions: lights, locks, windows, radio, etc.
Important Post-Installation Notes
While our cloning service makes this a plug-and-play process, some vehicle systems may require a ‘handshake’ with the new BCM. Please be aware of the following:
- Airbag System Sync: If the airbag warning light is illuminated after installation, a professional scan tool is needed to perform the ‘Setup SDM Primary Key in BCM’ procedure. This syncs the airbag system with the BCM.
- Brake Pedal Position Relearn: In some cases, a brake pedal position sensor relearn may be required to ensure proper brake light operation and to prevent issues with the traction control system.
Disclaimer: Vehicle systems can vary. We always recommend consulting a factory service manual or a qualified technician if you are unsure about any step.
Verified Compatibility for Your Vehicle
This programming service and replacement module are compatible with a wide range of GM vehicles and part numbers. Please match your vehicle or part number below to ensure correct fitment. This service is for BCMs with part number 13583450 and is a direct replacement for the following part numbers:
- 13579004, 13580198, 13582396, 13583450, 13586856, 13582688, 13586278, 13501737, 13501739, 13577924, 13580773, 13583451
This part will fit these makes and models with these options:
- 2011-2012 Cadillac SRX (LH dash)
- 2011-2012 Buick LaCrosse (LH kick panel)
- 2011 Buick Regal (LH dash)
- 2011 Chevrolet Camaro (Conv, RH dash)
- 2011 Chevrolet Equinox (LH side dash)
- 2011 GMC Terrain (LH side dash)
- 2011-2013 Chevrolet Volt (RH engine compartment)
- 2012 Chevrolet Cruze (LH kick panel)
- 2012 Chevrolet Orlando (below center console)
Frequently Asked Questions
How does the cloning service work?
After you purchase, we will provide instructions for you to ship your original BCM to us. We then extract the essential vehicle data and write it to the replacement module. We ship the ready-to-install module back to you, typically within 1-2 business days of receiving your original.
Do I need to get this BCM programmed by a dealer?
No. Our cloning service handles all the necessary programming. The module you receive will be plug-and-play, saving you from expensive dealership programming fees.
Where is the BCM located on my 2011-2012 SRX?
The Body Control Module on the 2011-2012 Cadillac SRX is located on the driver’s side, behind the dashboard panel to the left of the steering column.
What if my original BCM is completely dead or not communicating?
In most cases, even if the BCM is failing, we can still extract the necessary data. If your module is severely damaged (e.g., by fire or water), please contact us before ordering to discuss options.
Is there a core charge for this part?
No, there is no core charge. We only need your original module to perform the data cloning service. You are welcome to keep your original module after the service is complete.
What happens if the airbag light comes on after I install it?
This is a known possibility. It simply means the new BCM needs to be electronically introduced to the airbag system. A mechanic with a professional-grade scan tool can perform the ‘Setup SDM Primary Key in BCM’ procedure to resolve this.