Is Your Cadillac Experiencing Strange Electrical Problems?
If your 2013 Cadillac XTS is acting possessed—with flickering lights, malfunctioning power windows, a dead instrument cluster, or a security system that randomly engages—you’re likely dealing with a failing Body Control Module (BCM). The BCM is the central nervous system for your vehicle’s body electronics, coordinating everything from your interior lights and door locks to the anti-theft system. When it fails, it can create a cascade of confusing and frustrating issues that can be difficult to diagnose and expensive to fix at a dealership.
The Dealership Dilemma vs. Our Plug-and-Play Solution
Taking your XTS to a dealership for a BCM replacement often involves high costs for the new part, several hours of labor, and complex programming procedures that link the new module to your car’s specific VIN and security information. Our service eliminates that hassle and expense. We provide a high-quality replacement 2013 XTS Body Control Module that is precisely programmed using the data from your original unit. This cloning process ensures a seamless, plug-and-play installation, getting you back on the road without the dealership price tag.
From the Diagnostic Bay
We had a 2013 Cadillac XTS come into the shop with a laundry list of bizarre symptoms. The radio would turn on and off by itself, the driver’s side window wouldn’t respond, and the car would occasionally refuse to start, displaying a ‘Service Theft Deterrent System’ message. The owner had already replaced the battery and checked all the fuses. After connecting our diagnostic scanner, we saw multiple communication error codes pointing to the BCM. Instead of a costly new module from the dealer, we used our cloning service. We transferred the data from the faulty original BCM to one of our replacement units. After a quick installation, every single electrical gremlin was gone. The car started every time, and all accessories worked perfectly. It’s a perfect example of how a targeted solution saves time, money, and diagnostic headaches.
Common Symptoms of a Failing BCM
- ✔ Intermittent or non-functional power windows, door locks, or mirrors.
- ✔ Erratic behavior from the dashboard lights, dome lights, or headlights.
- ✔ The security system light stays on, or the alarm goes off randomly.
- ✔ The vehicle fails to start, accompanied by a security-related message.
- ✔ Communication errors with other modules when scanned with a diagnostic tool.
- ✔ Malfunctioning keyless entry or remote start features.
- ✔ Wipers or turn signals operating incorrectly or not at all.
How Our Simple Programming Service Works
Our goal is to make this repair as straightforward as possible. The process is simple:
- Place Your Order: Complete your purchase through our secure checkout.
- We Contact You: We will reach out to you using the contact information on your order to coordinate the shipping of your original BCM.
- Ship Us Your Module: Carefully package and send your original BCM to our facility.
- We Program Your Replacement: Upon arrival, our technicians will extract the unique data from your module and transfer it to a fully tested replacement unit. This ensures all your vehicle’s specific settings, key data, and mileage information are retained.
- Receive Your Plug-and-Play BCM: We ship the newly programmed module back to you, typically within 1-2 business days. You’ll receive tracking information as soon as it’s on its way.
Installation and Post-Install Considerations
For the 2013 Cadillac XTS, the BCM is located at the left front hinge pillar. While installation is a direct swap, some vehicles may require minor electronic ‘relearn’ procedures after the new module is connected. These are simple steps that can often be done with a high-end diagnostic tool.
- Airbag System Sync: If the airbag warning light is illuminated after installation, a ‘Setup SDM Primary Key in BCM’ procedure is needed to sync the systems. This is only required if the light is on.
- Brake Pedal Position Relearn: In some cases, a brake pedal position sensor recalibration might be necessary to ensure correct brake light and traction control operation.
Please note: Specific procedures can vary. We always recommend consulting a factory service manual or a qualified technician for guidance.
Guaranteed Fitment
This 2013 XTS Body Control Module is a direct replacement for the following part numbers:
- 13589093
- 13586589
- 13580689
This part will also fit the following vehicles:
- 2013 Cadillac ATS (located on firewall)
- 2013-2014 Chevrolet Sonic (located in RH rear quarter panel)
- 2014 Chevrolet Impala (VIN 1, New Style, located in LH dash)
Frequently Asked Questions
What exactly does the Body Control Module do?
The BCM is a computer that manages and controls many of your vehicle’s non-engine related functions. This includes power windows, locks, lights, wipers, the security system, and the instrument cluster. It acts as a central hub for these electronic systems.
Is this a plug-and-play part?
Yes, it is designed to be a plug-and-play solution. Because we clone the data from your original module, the replacement BCM will have all the correct information for your specific vehicle, eliminating the need for dealership programming. Some minor relearn procedures may be necessary post-installation, as noted above.
Will I need to get my keys reprogrammed?
No. Since we transfer the security data from your original BCM, the replacement module will recognize your existing keys. This is a major benefit of our cloning service over buying a new module from a dealer.
How long does the programming service take?
Once we receive your original module, our programming and testing process typically takes just 1-2 business days. We then ship the programmed replacement back to you promptly.
What if the airbag light comes on after I install it?
This can happen occasionally. It means the new BCM needs to be electronically introduced to the airbag system’s computer (SDM). A professional scan tool is required to perform the ‘Setup SDM Primary Key in BCM’ procedure, which syncs the modules and turns off the light.