Description
2004 Jeep Grand Cherokee 4.0L ECM / ECU – VIN Programmed | Updated
This Engine Control Module (ECM / ECU) is a genuine OEM replacement for all 2004 Jeep Grand Cherokee 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: 647-247-8555
Adam Keller –
I was really impressed with how quickly the ECM arrived after I placed my order—shipping was definitely fast. The unit came VIN programmed and ready to go, which made the installation a breeze. I simply unplugged the old one and plugged this in, and my Jeep fired up perfectly without any issues. Compared to the dealer’s quote, this saved me a huge amount of money, and I appreciated the clear communication from the team throughout the process. Overall, it was a great experience and my Grand Cherokee is running smoothly again.
Ethan Gonzalez –
I’m really impressed with the 56044563AD ECM I ordered for my 2004 Jeep Grand Cherokee. The shipping was surprisingly quick and the unit was truly plug-and-play, which made installation a breeze. Compared to the dealer’s price, this saved me a great deal of money without sacrificing quality. The communication from the seller was clear and professional, making the whole process smooth from start to finish.
Joel Brooks –
The ECM arrived quickly and was a perfect plug-and-play fit for my Jeep. Saved me a ton versus dealer prices and the installation was hassle-free.
Blake Nichols –
Received the 56044563AD ECM for my 2004 Jeep Grand Cherokee and was very impressed with the plug-and-play setup. The unit arrived quickly with free shipping, which was a great bonus. It worked flawlessly right out of the box, and the team answered all my questions promptly during the process. Definitely a hassle-free experience and highly recommend their service.
Neil Murphy –
The ECU arrived quickly with free shipping and was already VIN programmed, making installation a breeze. Customer support was very responsive to my questions throughout the process.