Description
2005 Jeep Wrangler 4.0L ECM / ECU – VIN Programmed | Updated
This Engine Control Module (ECM / ECU) is a genuine OEM replacement for all 2005 Jeep Wrangler 4.0L 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




Connor Reynolds –
I ordered the 56044543AJ ECM for my 2005 Jeep Wrangler and was very impressed with the service. The unit arrived quickly with free shipping, which was a nice bonus. What really stood out was how well they programmed the ECU to my VIN before shipping – it was truly plug-and-play, making installation hassle-free. Their customer service also answered all my questions promptly, which gave me confidence throughout the process.
Diego Hudson –
The ECM arrived quickly with free shipping and was perfectly programmed for my 2005 Jeep Wrangler—installation was a breeze.
Excellent communication throughout the process and the plug-and-play setup saved me a lot of headaches.
Fast turnaround and the updated ECU works flawlessly; they kept me informed every step of the way.
Shipping was super affordable and the professional programming meant no extra trips to the shop.
I appreciated how quickly they answered my questions and provided a fully VIN-matched ECM ready to go.
Paul Stewart –
Fast shipping and a truly plug-and-play ECM that saved me a bundle versus dealer prices. Installation was a breeze and the seller kept me updated throughout.
Nicholas Edwards –
I was really impressed with how quickly the ECM arrived after ordering; the shipping was definitely faster than I expected. Installation was straightforward since the unit was fully VIN programmed and completely plug-and-play, which made the whole process hassle-free. This service saved me a significant amount compared to dealer pricing, and the communication throughout was clear and professional. Overall, a smooth experience from start to finish.