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
Keith Anderson –
Fast shipping and the plug-and-play ECM worked perfectly—saved me a bundle compared to dealer prices. Highly recommend for a quick, hassle-free fix.
Chase Murray –
Swapped out my 2004 Jeep Wrangler’s ECM with this exact programmed unit—arrived super fast with free shipping and fired right up without a hitch.
Cooper Jenkins –
I was really impressed with how quickly this ECM arrived, it was shipped out fast and ready to go right out of the box. Installation was straightforward since the unit was already VIN programmed and truly plug-and-play, which saved me a ton of time and hassle. The service team was very professional and kept me updated throughout the process. Overall, this saved me a significant amount compared to the dealer’s price, and my Jeep is running perfectly now.
Scott Lewis –
I was really impressed with how smoothly the whole process went. The ECM arrived quickly with free shipping, and it was already VIN programmed, so installation was straightforward. The quality was top-notch, and the unit fit perfectly in my 2004 Jeep Wrangler 4.0L. The team also responded promptly to my questions, which made me feel confident throughout the purchase.