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
Marcus Baker –
I was a bit nervous about ordering an ECM online for my 2004 Jeep Wrangler, but this 56044419AF unit exceeded my expectations. The ECU came VIN programmed and ready to go, so installation was straightforward, making it a true plug-and-play experience. Shipping was surprisingly fast and free, which was a nice bonus. Throughout the process, the team kept me informed and quickly answered all my questions, which gave me peace of mind. My Jeep runs like new again, and I couldn’t be happier with the quality and service.
Leo Anderson –
Fast shipping and a plug-and-play unit made installation a breeze—I saved a ton compared to dealer prices. Great service and quick turnaround!
Zachary Carter –
I was a bit worried about ordering an ECM online, but this 56044419AF for my 2004 Jeep Wrangler fit perfectly and was VIN programmed exactly as promised. The whole process was smooth, and I appreciated how quickly the team answered my questions when I called. Shipping was free and arrived sooner than expected, which was a big relief since my Jeep was out of commission. Once installed, the engine ran flawlessly without any hiccups. Overall, a great experience and I would definitely order from them again if needed.
Jonah Cook –
I purchased the 56044419AF ECM for my 2004 Jeep Wrangler and was really impressed with how smooth the whole process went. The unit arrived quickly with free shipping, which was a nice bonus. What stood out most was the plug-and-play programming; it was all set up by the seller to match my VIN, so installation was completely hassle-free. Communication was clear throughout, and they answered my questions promptly, making me feel confident about my purchase.
Colin Reynolds –
The ECM arrived quickly with free shipping and was perfectly programmed for my 2004 Wrangler—installation was a breeze!