Restore Your Cadillac’s Precision and Power
Is your Cadillac CTS, Corvette, or premium GM truck suffering from frustrating and unpredictable electronic issues? A faulty Engine Control Module (ECM) can manifest as a persistent check engine light, poor fuel economy, hesitation, or even a no-start condition, disrupting the refined driving experience you expect. This direct-fit Engine Control Module is the definitive solution, arriving at your door fully programmed to your vehicle’s specific VIN. We take the guesswork and dealership hassle out of the equation, providing a reliable component that restores your vehicle’s brain to perfect working order.
Common Symptoms & Your Solution
If you’re experiencing any of the following, a failing ECM is the likely culprit. This module is engineered to resolve these exact problems:
- Erratic engine performance, stalling, or misfires
- Failure to communicate with diagnostic scan tools
- Specific Diagnostic Trouble Codes (DTCs) like P0601, P0602, P0603, P0604, P0605, or P0606
- Poor acceleration and decreased fuel efficiency
- Vehicle entering ‘limp mode’ or refusing to start
By installing our programmed 2014-2016 Cadillac CTS ECM, you are not just replacing a part; you are restoring the core of your vehicle’s performance management system with the latest software updates from GM.
Features & Tangible Benefits
- ✔ VIN-Specific Programming Included: Your ECM arrives ready for installation. No expensive trips to the dealer for programming are required. Just provide your VIN at checkout, and we handle the rest.
- ✔ Loaded with Latest GM Software: We flash the module with the most current GM calibration for your vehicle, ensuring optimal engine performance, transmission shifting, and fuel efficiency.
- ✔ Plug-and-Play Installation: Designed as a direct replacement for the original unit, this ECM fits perfectly and connects to your vehicle’s factory wiring harness without any modifications.
- ✔ Wide Model Compatibility: This module replaces a wide range of original part numbers, including 12692067, 12676230, 12656993, and more, making it a versatile solution for many GM cars and trucks.
- ✔ This unit is backed by our one-year replacement warranty.
Expert Insight: The Critical Role of VIN Programming
Many people consider buying a used ECM from a salvage yard, but this is often a critical mistake for modern GM vehicles. The ECM is tied directly to the vehicle’s security system (like Passlock or VATS) and specific powertrain components. An improperly matched module will prevent the car from starting. Our professional VIN programming service ensures this programmed 2014-2016 Cadillac CTS ECM communicates seamlessly with all other modules in your vehicle, just like the original, guaranteeing a successful and stress-free repair.
Frequently Asked Questions
Do I need to do any additional programming after installation?
No. This ECM comes fully programmed to the VIN you provide. In most cases, it is a simple plug-and-play installation. Some vehicles may require a security relearn procedure, which is a simple process that can be done without any special tools. We include instructions for this if it applies to your vehicle.
Where do I provide my vehicle’s VIN?
After you complete your purchase, you will need to send us a message with your 17-digit Vehicle Identification Number (VIN). We cannot program and ship your module until we receive this information.
Is this a brand new part?
This is a high-quality, inspected, and tested replacement Engine Control Module that is guaranteed to perform to original specifications. We ensure every unit is ready for long-term, reliable service in your vehicle.
My old ECM has a different part number. Will this work?
Yes, most likely. This module is a direct replacement for a wide range of part numbers listed in the description, such as 12692067, 12676230, and 12656993. As long as your original part number is on our compatibility list, this module will function correctly in your vehicle once programmed.
How can I be sure my ECM is the problem?
While the symptoms listed are strong indicators of a failing ECM, proper diagnosis is key. We recommend having a professional mechanic diagnose the vehicle. Common indicators are communication-related fault codes (U-codes) or internal processor fault codes (P06xx series). This programmed 2014-2016 Cadillac CTS ECM is the solution for a confirmed faulty module.
What is the warranty on this module?
This unit is backed by our one-year replacement warranty. Please see our warranty policy page for full details and conditions.