Description
2020 Buick Regal Sportback 3.6L ECM / ECU – VIN Programmed | Updated
This Engine Control Module (ECM / ECU) is a genuine OEM replacement for all 2020 Buick Regal Sportback 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
Jorge Morgan –
The ECM arrived quickly and was exactly what I needed for my 2020 Buick Regal Sportback. Installation was straightforward—just plugged it in and it worked perfectly without any additional programming on my end. I also appreciated the helpful guidance from their support team when I had a couple of questions. Overall, a reliable solution that restored my car’s performance seamlessly.
Nathan Miller –
Installed the ECM quickly with zero hassle—runs perfectly and shipping was speedy. Highly recommend for anyone needing a reliable replacement!
Adam Morris –
I was a bit nervous ordering an ECM for my 2020 Regal Sportback, but this unit exceeded all expectations. It came fully VIN programmed, which saved me a huge headache, and installation was straightforward—just a simple plug and play. The shipping was impressively quick, arriving well before I expected. After swapping it out, my car fired up perfectly, and everything runs smoothly with no error codes. It’s clear the seller knows their stuff, and their tech support was helpful when I had a quick question. Highly recommend this if you need a reliable ECM replacement!