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
Cooper Turner –
Fast shipping and the unit was truly plug-and-play. Saved me a ton compared to dealer prices and the install went without a hitch.
Ian Scott –
The ECM arrived quickly with free shipping, and the plug-and-play programming made installation effortless—definitely recommend.
Great communication throughout the process and the updated ECU works flawlessly in my 2004 Jeep Wrangler.
Super fast turnaround and the VIN programmed PCM fit perfectly, saving me a lot of hassle.
They answered all my questions promptly, and the quality of the ECM is top-notch for my Jeep.
Received my 2004 Wrangler ECM with very reasonable shipping, and it was ready to go right out of the box.
Ethan Mitchell –
I purchased the RL044478AE ECM for my 2004 Jeep Wrangler and was really impressed with how smoothly everything went. The unit arrived quickly with free shipping, and it was already VIN programmed, so installation was plug-and-play. The quality of the unit feels top-notch, and my Jeep runs perfectly now. Customer support was also very responsive, answering all my questions promptly, which made the process stress-free.