Description
2015 Cadillac ATS 2.0L ECM / ECU – VIN Programmed | Plug & Play
This Engine Control Module (ECM / ECU) is a genuine OEM replacement for all 2015 Cadillac ATS 2.0L models.
Each unit is VIN-programmed, updated, and fully tested for a true plug-and-play installation with no dealer visit required.
Built to OEM standards for reliability, calibration accuracy, and long-term performance.
Strict Testing & Quality Assurance
Every ECU is inspected, refreshed, and verified through advanced diagnostic tools. Testing includes:
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Complete communication & CAN-bus verification
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Sensor input/output and signal integrity checks
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Injector & ignition pulse simulation
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Power, ground, and load-circuit analysis
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Flash memory integrity and checksum validation
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Thermal and voltage-stress testing to confirm reliability
This ensures a fully functional, reliable, plug-and-play module you can install with confidence.
Important Note
Some vehicles equipped with IMMO (Immobilizer) or PATS (Passive Anti-Theft System) may require additional key programming after installation. This is normal for models where security data must be synchronized with the vehicle’s body control system.
For a 100% plug-and-play solution with no relearns, no key programming, and no compatibility issues, we recommend our ECU Cloning Service, which transfers all original security, immobilizer, and configuration data directly into the replacement unit.
Contact Us
Email: info@fixecm.com
Phone: Local: 647-247-8555 | Toll-Free: 1-800-915-5566
Benjamin Johnson –
The ECM arrived quickly and was exactly as described for my 2015 Cadillac ATS. Installation was straightforward, and it worked perfectly right out of the box with no programming needed on my end. I appreciated the detailed instructions and the friendly support team who answered a couple of my questions promptly. Overall, a smooth experience that got my car running like new again.
Isaac Collins –
Super quick delivery and the unit was already programmed for my VIN—installed in minutes with zero hassle. Highly recommend!
This ECM was flawless right out of the box, no complicated setup needed and my ATS runs perfect again. Great quality!
Plugged it in the same day it arrived, and it worked perfectly from the start. Saved me a ton on labor.
The ECU arrived fast and fully programmed, making the swap incredibly smooth. My car feels like new!
Exactly what I needed—pre-programmed and ready to go, so the install was a breeze. Very impressed with the service!