Description
2019 Buick Envision 2.5L ECM / ECU – VIN Programmed | Plug & Play
This Engine Control Module (ECM / ECU) is a genuine OEM replacement for all 2019 Buick Envision 2.5L 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
Jordan Ramirez –
Perfect fit and super easy to install—had my Envision running smooth in no time! Fast delivery was a nice bonus.
Jordan King –
I was really impressed with how easily this ECM/ECU slipped right into my 2019 Buick Envision with no complications. The VIN programming was spot on, which saved me a lot of time and hassle. Shipping was prompt, and having a truly plug-and-play part made the whole process a breeze. Definitely a reliable replacement that performed exactly as expected.
Adrian Anderson –
I was a bit nervous about ordering an ECM online, but this unit for my 2019 Buick Envision arrived quickly and was exactly as described. Installation was straightforward—just plugged it in, and it worked perfectly without any hiccups. The VIN programming saved me a ton of time, and the engine runs smoothly now. It honestly felt like a professional-grade part, not a cheap replacement. I’m really impressed with the quality and how hassle-free the whole process was. Definitely worth every penny!
Nathan Reed –
I was a bit nervous about replacing the ECM on my 2019 Buick Envision, but this VIN programmed unit worked flawlessly right out of the box. Installation was straightforward—no complicated coding or trips to the dealership required. The part arrived quicker than I expected, which was a relief since my car was out of commission. After swapping it in, everything fired up perfectly with no warning lights or errors. It feels great to have my SUV running like new again without a hassle. Definitely a solid buy for anyone needing a reliable replacement.