Tired of Chasing Electrical Gremlins in Your Cadillac?
If your 2014 Cadillac CTS is suddenly acting possessed—with flickering lights, malfunctioning power windows, a stubborn starter, or random warning messages—you’re not alone. These frustrating and often intermittent issues typically point to one component: a failing Body Control Module (BCM). The BCM is the central command center for your vehicle’s body electronics. When it fails, it can cause a cascade of bizarre problems that are difficult to diagnose. Instead of facing a costly trip to the dealership for diagnostics and programming, we offer a straightforward, reliable solution.
This is a replacement Body Control Module that comes pre-programmed with your vehicle’s specific data. How? Through our simple mail-in cloning service. You send us your original BCM, and we transfer all the critical information (including VIN, mileage, and security keys) to this replacement unit. The result is a true plug-and-play module, eliminating the need for expensive scan tools or dealer intervention. It’s the most efficient way to restore your Cadillac’s functionality.
A Technician’s Notebook: The Intermittent No-Start
I remember a 2014 CTS that came into the shop with a classic BCM failure story. The owner was frustrated because the car would randomly refuse to start, but only on warm afternoons. The dash lights would flicker, and the security lamp would stay illuminated. He’d already replaced the battery and checked the starter. After hooking up my scan tool, I saw multiple U-codes (U0140, U0155) indicating a loss of communication between modules. This is a tell-tale sign of an internal BCM fault. By providing a cloned BCM, we had him back on the road the same day he got the part, with no further programming required. It’s a fix that saves time, money, and a lot of diagnostic headaches.
Common Signs of a Failing BCM
A faulty BCM can manifest in numerous ways. If you’re experiencing any of the following, this module is your likely solution:
- âś” Erratic or non-functional interior and exterior lights.
- âś” Power windows, door locks, or mirrors working intermittently or not at all.
- âś” The vehicle’s security system engaging randomly or preventing the car from starting.
- âś” Inconsistent horn or wiper operation.
- âś” Instrument cluster gauges behaving erratically or going dark.
- âś” Diagnostic Trouble Codes (DTCs) related to communication loss, such as U0140.
A Straightforward Guide to Installation
Our cloning service makes the installation process simple. Since the programming is already done, you’re just swapping the hardware. For the 2014 Cadillac CTS, the BCM is typically located in the left-hand (driver’s side) of the dashboard.
- Safety First: Always disconnect the negative terminal from your vehicle’s battery before working on electrical components.
- Locate the BCM: On your 2014 CTS, access the BCM by removing the necessary trim panels on the driver’s side of the dash.
- Disconnect and Remove: Carefully unplug the electrical connectors from the original BCM. Note their orientation. Then, unbolt or unclip the module from its mounting bracket.
- Install the New Module: Mount the replacement BCM in the same location and securely reconnect all electrical connectors.
- Reconnect Power: Reattach the negative battery terminal.
- Test Functionality: Start the vehicle and test all body functions—lights, locks, windows, etc.—to ensure everything is working correctly.
Important Post-Installation Information
In some cases, additional vehicle-specific relearn procedures may be necessary after installation. These are simple sync functions that a professional technician can perform.
- Airbag System Sync: If the airbag warning light is on after installation, a ‘Setup SDM Primary Key in BCM’ procedure is needed to sync the modules. This requires a professional-grade scan tool.
- Brake Pedal Position Relearn: Some models may require a brake pedal position sensor recalibration to ensure proper brake light and traction control operation.
Disclaimer: Procedures can vary. We always recommend consulting a factory service manual or a qualified technician for your specific vehicle.
Will This Fit My Vehicle?
This BCM is a direct replacement for a wide range of GM vehicles and is compatible with several part numbers. Please verify your original part number is on this list for guaranteed compatibility. This unit is a confirmed fit for the 2014 CTS BCM (Sedan, VIN A) and replaces the following part numbers: 13594692, 13594768, 13593214, 13580690, 13591519, and 13594769.
It also fits models such as:
- Cadillac ATS, XTS, Escalade
- Chevrolet Corvette, Impala, Silverado, Suburban, Tahoe, SS Caprice
- GMC Sierra, Yukon
Please check the detailed fitment list to confirm your specific model and year.
Frequently Asked Questions
How does the cloning service work?
After you place your order, we’ll provide instructions for you to ship your original BCM to us. We then extract the unique data from your module and flash it onto the replacement unit. We ship the programmed module back to you, ready for installation.
Do I need to program this BCM?
No. Our cloning service handles all the programming before we ship the part to you. This makes the installation plug-and-play, saving you from a trip to the dealer.
Where is the BCM located on my 2014 Cadillac CTS?
The Body Control Module on a 2014 CTS sedan is typically found behind the dashboard on the driver’s side (left-hand side).
What if the airbag light comes on after I install it?
This is not a defect. It simply means the BCM and the airbag module (SDM) need to be electronically re-synced. A technician with a capable scan tool can perform the ‘Setup SDM Primary Key in BCM’ procedure to resolve this.
Is there a core charge or do I need to return my old part?
There is no core charge. We only need your original module temporarily for the data cloning process. You can keep your original module after the service is complete.