Tired of Your Cadillac’s Electrical Gremlins? Here’s the Permanent Fix.
As a technician with over two decades of experience, I’ve seen it all when it comes to modern vehicle electronics. If your 2014 Cadillac CTS is suddenly acting possessed—with flickering lights, malfunctioning power windows, random warning messages, or even a no-start condition—the Body Control Module (BCM) is the most likely culprit. This isn’t just an inconvenience; it’s the central nervous system of your car’s comfort and convenience features failing. A trip to the dealership often means a hefty bill for a new module plus several hours of labor for programming. We offer a smarter, more cost-effective solution.
This is a mail-in programming service. You send us your original BCM, and we transfer all the critical, vehicle-specific data to a fully tested replacement module. The result? A true plug-and-play component that restores full functionality to your vehicle without any need for expensive dealer tools or additional programming. We handle the complex part, so you can get back on the road with confidence. This service for the 2014 CTS BCM ensures your vehicle retains its original configuration, including key programming and factory options.
From the Diagnostic Bay: The Case of the Confused Cadillac
A customer brought in a 2014 CTS with a laundry list of bizarre issues: the radio would turn on by itself, the driver’s side window wouldn’t go down, and the passive entry system was dead. They had already replaced the battery and checked fuses, but the problems persisted. A quick scan revealed multiple communication error codes (U-codes) pointing to the BCM. Instead of a costly new unit, we performed a cloning service just like this one. After reinstalling the programmed module, every single issue was resolved. It’s a testament to how vital a correctly functioning BCM is and how effective data cloning is for a seamless repair.
Common Signs of a Failing BCM
A faulty BCM can cause a wide range of confusing symptoms. If you’re experiencing any of the following, your BCM is likely the cause:
- ✔ Unpredictable behavior from interior/exterior lights (flickering, staying on, or not working at all).
- ✔ Power windows, locks, or mirrors operating intermittently or not at all.
- ✔ The security system acting up, preventing the car from starting (anti-theft light flashing).
- ✔ Instrument cluster gauges behaving erratically or going dark.
- ✔ Key fobs that suddenly stop working for remote entry or push-to-start.
- ✔ Diagnostic Trouble Codes (DTCs) such as U0140 (Lost Communication with BCM), B1325 (Device Power Circuit Voltage Below Threshold), or other communication-related faults.
Your Straightforward BCM Swap Guide
Our service makes the physical replacement simple. Here’s a general guide to the process:
- Safety First: Always disconnect the negative terminal from your vehicle’s battery before working on any electronic components.
- Locate the BCM: On the 2014 Cadillac CTS, the BCM is typically located in the cabin, on the left-hand side of the dash. For other models, its position can vary (e.g., under the steering column or on the firewall). Always verify the location for your specific vehicle.
- Remove Your Original BCM: Carefully disconnect the electrical connectors. Most have a locking tab that needs to be depressed or lifted. Once disconnected, unbolt the module from its mounting bracket.
- Ship It To Us: Package your original BCM securely and ship it to us. We will contact you with detailed shipping instructions after your purchase.
- Install the Replacement: Once you receive the programmed module back from us, simply bolt it in place and reconnect the electrical connectors. Ensure they click securely into place.
- Reconnect and Test: Reconnect the battery terminal. Start the vehicle and test all functions—lights, windows, locks, etc.—to confirm the repair was successful.
Post-Installation Checks
While our cloning service makes this a plug-and-play repair, some GM vehicles may require a simple relearn procedure after installation:
- 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 new BCM with the airbag system. This is only required if the light is on.
- Brake Pedal Position Relearn: On certain models, a brake pedal position sensor recalibration might be necessary to ensure correct brake light and traction control operation.
Verified Fitment Across GM Models
This programming service and module are compatible with a wide range of GM vehicles that use part numbers 13594692, 13594768, 13593214, 13580690, 13591519, or 13594769. Please verify the part number on your original module before ordering. Compatible models include:
- Cadillac ATS (2014)
- Cadillac CTS (2014)
- Cadillac Escalade / ESV (2015)
- Cadillac XTS (2014)
- Chevrolet Caprice / SS Caprice (2014-2017)
- Chevrolet Corvette (2014)
- Chevrolet Impala (2015-2019)
- Chevrolet Silverado 1500/2500/3500 (2014-2015)
- Chevrolet Suburban 1500 (2015)
- Chevrolet Tahoe (2015)
- GMC Sierra 1500/2500/3500 & Denali Models (2014-2015)
- GMC Yukon / Yukon XL 1500 (2015)
Frequently Asked Questions
How does the mail-in cloning service work?
After you purchase, we’ll provide instructions to ship your original BCM to us. We then extract the vehicle-specific data and transfer it to a replacement unit. We ship the programmed, ready-to-install module back to you, typically within 1-2 business days of receiving yours.
Do I need to program this BCM after I receive it?
No. Our cloning service makes the replacement module completely plug-and-play. All the necessary programming from your original unit is transferred, so no further dealer visits or special tools are required for installation.
Is this a reliable fix for my car’s electrical problems?
Yes. A failing BCM is a very common source of widespread, seemingly unrelated electrical issues in modern GM vehicles. Replacing it with a correctly programmed module is the definitive solution for these symptoms.
What if my original BCM is completely dead or not communicating?
In most cases, even if the BCM has failed, we can still extract the necessary data for cloning. If for some reason the data is completely unrecoverable, we will contact you to discuss other options.
Do I need to send my keys with the module?
No, you do not need to send your keys. The key data is part of the information we clone from your original module, so your existing keys will work seamlessly with the replacement BCM.
Is there a core charge for this part?
No, there is no core charge. We do not require you to return your original module to us after the service is complete, though we need it initially for the data transfer.