Description
2004 Jeep Wrangler 4.0L ECM / ECU – VIN Programmed | Updated
This Engine Control Module (ECM / ECU) is a genuine OEM replacement for all 2004 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
Allan Webb –
The ECM arrived quickly and was exactly as described, making the installation straightforward and hassle-free. It was truly plug-and-play, which saved me hours compared to the dealer’s process. The communication from the seller was clear and professional, and overall, this service saved me a significant amount of money without sacrificing quality. I’m very satisfied with the quick turnaround and the performance of my Jeep since the update.
Jonah Little –
I was nervous about ordering an ECM online, but this 56044419AB for my 2004 Jeep Wrangler made the whole process so smooth. The team provided professional VIN programming, so it was truly plug-and-play when it arrived—no extra work needed on my end. Shipping was fast and reasonably priced, which was a nice bonus. Throughout the process, they kept me in the loop, answering my questions promptly and making sure I knew what to expect. My Jeep runs perfectly now, and I couldn’t be happier with the quality and service.
Daniel Hudson –
Fast shipping and a true plug-and-play unit that worked perfectly in my 2004 Jeep. Saved me a ton compared to dealer prices and installation was hassle-free.
The ECM arrived quickly and was fully programmed, making installation a breeze. This saved me a lot versus dealer costs, plus the seller’s communication was top-notch.
Received my 56044419AB quickly, and it was ready to go right out of the box. The service was professional and saved me hundreds compared to the dealership.
Super quick delivery and the ECM was perfectly programmed for my Jeep, so installation was smooth. Definitely a great money-saving alternative to dealer repairs.
Shipping was lightning fast and the unit fit perfectly without any modifications. This service definitely spared me the dealer’s expensive quote, highly recommend.
Daniel Graham –
I was really impressed with the professional programming service that came with this ECM for my 2004 Jeep Wrangler. The unit arrived VIN programmed and ready to install, which saved me so much time and hassle. Shipping was quick and reasonably priced, and the seller kept me informed every step of the way. Installation went smoothly, and my Jeep runs perfectly now.
Harvey Reed –
Received my programmed ECM quickly with free shipping, and it fit my 2004 Jeep Wrangler perfectly—very impressed with their service.