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
Adrian Taylor –
Arrived quickly with free shipping and was fully programmed for my 2004 Jeep Wrangler—installed easily and runs perfectly.
Miguel Hall –
Shipping was quick, and the ECM came fully programmed—just plug and play. Saved me a ton compared to dealer prices, and the install went off without a hitch.
Harrison Allen –
I’m really happy with this ECM for my 2004 Jeep Wrangler. The unit arrived quickly and was completely plug-and-play, making installation hassle-free. The team was responsive and efficient, and the whole process saved me a ton compared to dealership prices. Overall, a smooth experience from start to finish.
Jack Reed –
I recently bought the 56044477AD ECM for my 2004 Jeep Wrangler, and I couldn’t be happier with the experience. The shipping was incredibly fast, arriving well ahead of my expectations. Installation was straightforward since the unit came fully programmed and ready to go—just plugged it in and it worked perfectly. What really stood out was how much money I saved compared to getting this done through the dealer, which was a huge relief. The team’s communication was clear and helpful throughout, making the whole process smooth and stress-free. Overall, this service made fixing my Jeep a breeze and didn’t break the bank.