Description
2012 Chevrolet Impala 3.6L ECM / ECU – VIN Programmed | Updated
This Engine Control Module (ECM / ECU) is a genuine OEM replacement for all 2012 Chevrolet Impala 3.6L 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:
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
This ensures a fully functional, reliable, plug-and-play module you can install with confidence.
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 — $200 CAD / $140 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



Adam Sanders –
I was a bit nervous about ordering an ECM for my 2012 Chevy Impala, but this one arrived quickly and was exactly what I needed. The fact that it came VIN programmed saved me a lot of hassle, and installation was truly seamless—just plugged it in and everything fired right up. The engine runs smoother now, and I didn’t even have to visit a dealer or shop. Their customer support was also really helpful when I called to confirm a few details beforehand. Overall, this was a solid purchase that got my car back on the road without any headaches.
After my Impala started having issues, I decided to replace the ECU myself, and this unit made that decision so much easier. It was shipped promptly and came fully programmed for my VIN, so I avoided the usual dealer waiting times. Hooking it up was straightforward, literally plug and play, and the car’s performance improved noticeably right away. I appreciated the quick responses from their tech team when I reached out with a
Oliver Phillips –
I was impressed with how quickly this ECM arrived and how perfectly it fit my 2012 Chevy Impala. The VIN programming was spot on, so I didn’t have to worry about any coding or extra steps. Installation was straightforward, literally plug and play, which saved me a lot of time and hassle. Overall, a solid purchase that got my car running smoothly again.
Noah Roberts –
This ECM arrived quickly and was already programmed to my VIN—installed in minutes with zero hassle. Highly recommend for anyone looking to get their Impala running smoothly again!