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
Elijah Howard –
I purchased the RL044477AD ECM for my 2004 Jeep Wrangler, and the entire process was incredibly smooth. The unit arrived quickly with free shipping, which was a nice bonus. What really stood out was the professional VIN programming service—they had it ready to go right out of the box, so installation was straightforward. Overall, this was exactly what I needed to get my Jeep running perfectly again.
Hunter Rogers –
Arrived with free shipping and was exactly as described—plug-and-play setup made installation a breeze. Excellent communication throughout the process.
Gavin Little –
Fast shipping and a true plug-and-play unit—this ECM saved me a bundle versus dealer prices and got my Jeep running smoothly right away. The installation was seamless and the whole process was hassle-free.
Henry Marshall –
The RL044477AD ECM for my 2004 Jeep Wrangler arrived quickly and was exactly as described. Installation was straightforward since it was already VIN programmed and truly plug-and-play. This saved me a significant amount compared to dealership quotes, and the customer support was responsive and helpful throughout. Overall, a smooth experience with a reliable product.