Description
2019 Chevrolet Blazer 3.6L ECM / ECU – VIN Programmed | Plug & Play
This Engine Control Module (ECM / ECU) is a genuine OEM replacement for all 2019 Chevrolet Blazer 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:
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Complete communication & CAN-bus verification
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Sensor input/output and signal integrity checks
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Injector & ignition pulse simulation
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Power, ground, and load-circuit analysis
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Flash memory integrity and checksum validation
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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 equipped with IMMO (Immobilizer) or PATS (Passive Anti-Theft System) may require additional key programming after installation. This is normal for models where security data must be synchronized with the vehicle’s body control system.
For a 100% plug-and-play solution with no relearns, no key programming, and no compatibility issues, we recommend our ECU Cloning Service, which transfers all original security, immobilizer, and configuration data directly into the replacement unit.
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!