Description
2019 Chevrolet Blazer 3.6L AT gas ECM / ECU – VIN Programmed | Updated
This Engine Control Module (ECM / ECU) is a genuine OEM replacement for all 2019 Chevrolet Blazer 3.6L 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
David Kelly –
I was a bit nervous about ordering an ECM for my 2019 Blazer, but this unit arrived quickly and was exactly as described. The fact that it came VIN programmed saved me a ton of time and hassle—just plugged it in and everything fired right up. Installation was straightforward, even for someone with modest experience like me. I also appreciated the helpful customer service team who answered my questions promptly. Overall, it’s been working flawlessly and my Blazer feels like new again. Highly recommend for anyone needing a reliable replacement part.
James Hall –
This ECM for my 2019 Chevy Blazer fit perfectly and was already programmed to my VIN, which saved me a lot of hassle. Installation was straightforward—literally plug and play with no extra tuning needed. Shipping was quick, and I appreciated the detailed instructions that came with it. Overall, very pleased with the quality and ease of use.
Eric Hall –
Installed this ECM in my 2019 Blazer with zero hassle—runs perfectly and shipped faster than I expected. Highly recommend for a quick, worry-free fix!