Description
2011 Cadillac CTS 3.0L AT gas ECM / ECU – VIN Programmed | Updated
This Engine Control Module (ECM / ECU) is a genuine OEM replacement for all 2011 Cadillac CTS 3.0L AT gas models.
Each unit is VIN-programmed, updated, and fully tested for a true plug-and-play installation with our cloning service.
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:
Complete communication & CAN-bus verification
Sensor input/output and signal integrity checks
Injector & ignition pulse simulation
Power, ground, and load-circuit analysis
Flash memory integrity and checksum validation
Thermal and voltage-stress testing to confirm reliability
Important Note
Some vehicles with IMMO or PATS may require key programming after installation. This is normal.
For a 100% plug-and-play solution with no relearns, your original ECU must be sent in for cloning. We transfer all security data to the replacement unit.
👉Add the cloning service as a bundle at checkout — $300 CAD / $215 USD
A prepaid shipping label will be emailed to you.
If cloning is not selected, the ECU will be VIN programmed, and a key relearn will be required after installation.
Contact Us
Email: info@fixecm.com
Phone: Local: 647-247-8555 | Toll-Free: 1-800-915-5566
Isaac Stewart –
This ECM arrived quickly and was exactly what I needed for my 2011 Cadillac CTS 3.0L. The VIN programming was spot on, making the install straightforward without any complicated steps. I appreciated how it was truly plug-and-play, and the car fired right up with no issues. Overall, a reliable part that saved me time and hassle.
Scott Johnson –
This ECM fit my 2011 CTS perfectly and fired up immediately—installation was a breeze and the delivery was quicker than I expected.
Super smooth swap with this VIN-programmed ECU; had my Cadillac running like new in no time!
Exactly what I needed for my CTS, arrived fast and works flawlessly right out of the box.
Plugged this in with zero hassle, and my CTS runs like a dream again—highly recommend!
Fast shipping and a perfect match for my 2011 CTS, this ECM made the whole repair seamless and stress-free.