Description
2011 Mazda CX-9 3.7L AT gas ECM / ECU – VIN Programmed | Updated
This Engine Control Module (ECM / ECU) is a genuine OEM replacement for all 2011 Mazda CX-9 3.7L 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



Aiden Howard –
Super easy swap and it fired right up—saved me a ton of time and hassle. Arrived quickly and exactly as described!
Henry Reynolds –
ECM arrived quickly with free shipping and was perfectly programmed for my 2011 CX-9 – just plugged it in and it worked flawlessly.
Their customer service was top-notch, answering all my questions promptly and ensuring the ECU was VIN programmed exactly as needed.
Great quality and fast turnaround; the plug-and-play setup made installation a breeze with no extra programming required.
Super impressed with the service and communication, they kept me updated every step of the way and shipping was very reasonable.
The VIN programmed ECM fit my CX-9 perfectly, and the shipping was quick and free, making this a hassle-free purchase.