Description
2004 Jeep Grand Cherokee 4.7L ECM / ECU – VIN Programmed | Updated
This Engine Control Module (ECM / ECU) is a genuine OEM replacement for all 2004 Jeep Grand Cherokee 4.7L 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
Adam Campbell –
I recently purchased the 56044564AJ ECM for my 2004 Jeep Grand Cherokee, and I couldn’t be happier with how smoothly everything went. The unit arrived quickly with free shipping, which was a nice bonus. What really impressed me was that the PCM came already VIN programmed, so installation was pretty much plug-and-play. The engine started right up with no issues, and the vehicle runs better than it has in years. Customer service was great, too—they answered all my questions promptly and made the whole process stress-free. Highly recommend this seller for anyone needing a reliable ECM.
Kevin Miller –
I was really impressed with how smoothly everything went from start to finish. After my original ECU failed, I found this 56044564AJ unit for my 2004 Jeep Grand Cherokee, and it arrived VIN programmed and ready to go. The seller offers free shipping, which was a nice bonus, and the part fit perfectly without any issues. Installation was straightforward, and my Jeep fired up immediately with no error codes. They also kept me updated throughout the process, which gave me a lot of confidence in their service. Definitely recommend if you need a reliable ECM replacement.
Aaron Watson –
Fast shipping and the plug-and-play ECM fit perfectly in my 2004 Jeep Grand Cherokee. This saved me a ton compared to dealer prices—great service and quick turnaround!
John Lopez –
Received my programmed ECM quickly with free shipping—plug-and-play was exactly as promised, no hassles at all.
Caleb Perez –
I was really impressed with how quickly this ECM arrived—shipping was faster than I expected. The unit came fully VIN programmed and was completely plug-and-play, which made the installation process smooth and hassle-free. The communication from the seller was clear and professional throughout, and overall, this saved me a ton compared to what the dealer quoted. Definitely a smart choice for anyone needing a reliable replacement for their 2004 Jeep Grand Cherokee.
Miguel Collins –
I was impressed with how quickly my 56044564AJ ECM arrived, especially with the free shipping option. The unit came fully VIN programmed, so installation was straightforward without any extra hassle. Their team answered all my questions promptly, which gave me confidence throughout the process. My 2004 Jeep Grand Cherokee is running smoothly again thanks to this quality replacement.