Description
2019 Chrysler 300 5.7L ECM / ECU – VIN Programmed | Plug & Play
This Engine Control Module (ECM / ECU) is a genuine OEM replacement for all 2019 Chrysler 300 5.7L 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



Aiden Hill –
This ECM fit my 2019 Chrysler 300 perfectly and installed without any hassle—super quick shipping, too! Couldn’t be happier with how smooth the whole process was.
Plugged this into my Chrysler 300, and it worked like a charm right out of the box. Fast delivery and zero headaches!
Swapped my ECU with this one and everything fired up immediately, no complicated steps involved. Definitely recommend for anyone needing a reliable replacement!
Received my programmed ECM for the 2019 Chrysler 300 faster than expected, and install was a breeze—totally plug and play. Great product!
The VIN-programmed ECU was spot-on for my Chrysler, and the tech support was helpful when I had questions. Quick, easy, and 5 stars all around.
Ryan Nelson –
I was a bit nervous about ordering an ECU online, but this 2019 Chrysler 300 5.7L ECM arrived quickly and was already VIN programmed, which saved me a lot of hassle. Installation was straightforward — basically plug and play, just like they said. After swapping it in, my car fired right up with no issues, and the engine runs smoothly now. The seller also provided clear instructions and was quick to answer my questions, which made the whole process much less stressful. Overall, a great experience and a reliable part that got my ride back on the road fast.
Eric King –
I was a bit nervous about swapping out my Chrysler 300’s ECM, but this unit arrived perfectly programmed for my VIN, which made the whole process a breeze. Installation was straightforward, and it literally plugged right in without any fuss. My car fired up immediately and has been running smoothly ever since. Shipping was quicker than I expected, and I appreciate that the seller checked in to make sure everything was working properly. Definitely saved me a lot of hassle compared to reprogramming at the dealer!
Logan Phillips –
This ECM arrived quickly and was exactly as described, already programmed to my car’s VIN which saved me a ton of time. Installation was straightforward thanks to the plug-and-play design, and my 2019 Chrysler 300 fired right up without any issues. The performance feels smooth and consistent, and I appreciated the responsive customer support when I had a couple of questions. Definitely a reliable solution if you need a replacement ECU.