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
Liam Parker –
Great experience—fast turnaround and the unit came VIN programmed, ready to plug and play. Shipping was super reasonable too!
Edward King –
Fast shipping and the ECM arrived perfectly programmed—installation was super easy and saved me a bundle compared to dealer prices. Great service and quick turnaround made this a no-brainer purchase.
Ethan King –
I ordered the 56044778AB ECM for my 2004 Jeep Grand Cherokee, and I’m really impressed with the quality and the professional programming service they provided. The unit arrived quickly with free shipping, which was a nice bonus. Installation was straightforward since it was already VIN programmed, and my Jeep started right up without any issues. The seller also responded promptly to my questions throughout the process, which made the whole experience smooth.