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
Harvey Reed –
The 56044419AA ECM I ordered for my 2004 Jeep Wrangler arrived quickly with free shipping, which was a nice bonus. The unit came VIN programmed and ready to install, making the swap hassle-free. The quality of the ECM is top-notch, and the communication from the seller was prompt when I had a few questions. Overall, a smooth experience from start to finish.
Edward Walker –
I was a bit nervous ordering an ECM online for my 2004 Jeep Wrangler, but this unit arrived quickly and was exactly as described. What really impressed me was that it came VIN programmed and ready to go, so installation was a breeze—no need to hunt down separate programming services. The shipping was free and arrived well-packaged, which made the whole process smooth from start to finish. I also appreciated how the seller kept me updated on my order status, answering my questions promptly. Overall, this was a solid purchase that got my Jeep running like new again.
Gavin Graham –
Fast shipping and the ECU was truly plug-and-play. Saved me a bundle versus dealer prices and the install went without a hitch.
Logan Tucker –
Great quality ECM for my 2004 Jeep Wrangler, arrived quickly with free shipping and was already VIN programmed for a hassle-free install. Customer service was prompt and helpful when I had questions.
Cole Nichols –
I was a bit nervous about ordering an ECM online, but this 56044419AA unit for my 2004 Jeep Wrangler arrived quickly and arrived programmed to my VIN, which saved me a huge hassle. The plug-and-play setup was exactly as described, and I had no issues getting my engine running smoothly again. The team was very responsive to my questions and kept me informed every step of the way. Shipping was free, which was an unexpected bonus. Overall, it was a seamless experience, and the Jeep feels like new again.
Aiden Baker –
I was really impressed with how quickly this ECM arrived—shipping was faster than I expected. Installation was straightforward since the unit was fully programmed to my Jeep’s VIN, making it a true plug-and-play solution. The professional service saved me a significant amount compared to dealer prices, and their communication throughout the process was clear and helpful. Overall, a great experience with a smooth and hassle-free repair.