Description
2005 Chrysler 300 3.5L ECM / ECU – VIN Programmed | Updated
This Engine Control Module (ECM / ECU) is a genuine OEM replacement for all 2005 Chrysler 300 3.5L models.
Each unit is VIN-programmed, updated, and fully tested.Built to OEM standards for reliability, calibration accuracy, and long-term performance.
Strict Testing & Quality Assurance
This is not a brand-new unit. It is a rebuilt unit that is inspected, refreshed, and fully tested before shipping.
Testing includes communication, CAN-bus, sensor signal, power circuit, flash memory, and reliability checks.
Important Note
If your vehicle does not have an IMMO or PATS system, this unit will be directly plug&play.
If your vehicle has an IMMO or PATS system, it will require a key relearn after installation. You can visit your local locksmith for help.
We also offer a full cloning service. We transfer all security data to the replacement unit, so it will be a plug&play installation.
For all European cars, Hyundai, and Kia vehicles, we recommend adding our cloning service as a bundle.
For American and Japanese cars, we recommend doing a key relearn on-site.
Contact Us
Email: info@fixecm.com
Phone: Local: 647-247-8555 | Toll-Free: 1-800-915-5566





Luke Little –
Super quick shipping and the ECU arrived perfectly programmed for my 2005 Chrysler 300—plug and play, no hassle at all.
They answered all my questions promptly and the programming service was flawless, made installation a breeze.
Received my unit with free shipping and it worked great right out of the box, saved me a ton of time.
Excellent communication throughout the process and the updated ECM runs my car like new again.
Fast turnaround and professional programming—definitely recommend for anyone needing a reliable replacement.
Shane Allen –
Great quality ECM for my 2005 Chrysler 300, arrived fast with free shipping and was ready to install right out of the box. The team’s quick responses made the whole process smooth and hassle-free.
Ryan Little –
The unit arrived quickly and was a perfect plug-and-play fit. This saved me a ton compared to dealer prices, and installation went without a hitch.
Mark Barrett –
I’m very happy with this ECM for my 2005 Chrysler 300. It arrived quickly and was truly a plug-and-play unit, which made installation straightforward. The VIN programming was perfect, and the whole process saved me a significant amount compared to dealer prices. The communication from the seller was clear and helpful, making the experience smooth from start to finish.