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



Travis Peterson –
I was impressed with how quickly the ECM arrived after placing my order—definitely faster than I expected. The unit was perfectly programmed to my Jeep’s VIN, making installation straightforward and hassle-free. This saved me a significant amount of money compared to dealer pricing, and the communication from the seller was very professional throughout. Overall, a smooth experience from start to finish.
Owen Richardson –
I was really impressed with how quickly the ECM arrived after I placed my order—definitely faster than I expected. Installation was a breeze since the unit was already VIN programmed and truly plug-and-play, which saved me a ton of headache. The Jeep’s performance improved immediately, and I didn’t have to spend a small fortune at the dealership. The whole process felt very professional, and the communication with the seller was clear and helpful throughout. Overall, this was a smart choice and a great value for my 2004 Grand Cherokee. I’m very satisfied with the purchase.
Travis Gray –
I was impressed with how smoothly the whole process went from start to finish. The 2004 Jeep Grand Cherokee ECM arrived on time with free shipping, which was a big plus. What really stood out was that the unit came VIN programmed and ready to install, making the swap a breeze. I had a couple of questions during the ordering process, and their team responded quickly and professionally. After installing, my Jeep runs like new again—definitely worth it!
Mason Kelly –
Shipping was super fast, and this ECM was truly plug-and-play. Saved me a ton compared to dealer prices and installation went flawlessly.
Jeremy Keller –
The 56044565AI ECM I ordered for my 2004 Jeep Grand Cherokee arrived quickly with free shipping, which was a nice bonus. The unit was already VIN programmed, so installation was straightforward and hassle-free. I appreciated how the team kept me informed throughout the process and responded promptly to my questions. Overall, the performance of the car has improved noticeably since the replacement.
Carlos Watson –
Shipping was super fast and the module arrived perfectly programmed for my 2004 Jeep Grand Cherokee—plug-and-play setup made installation a breeze.