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: Local: 647-247-8555 | Toll-Free: 1-800-915-5566
Grant Palmer –
Got my 56044563AF for my 2004 Jeep Grand Cherokee, and it was plug-and-play right out of the box. Fast shipping and saved me a ton versus dealer prices—super smooth process all around.
Shane Ward –
Received my programmed ECM quickly with free shipping, and it was a perfect fit for my 2004 Jeep Grand Cherokee. Their team answered all my questions fast, making the whole process effortless.
Anthony Collins –
I was nervous about ordering an ECU online for my 2004 Jeep Grand Cherokee, but this 56044563AF unit arrived quickly and was ready to go right out of the box. The plug-and-play setup made installation straightforward—I didn’t need any complicated programming or visits to a shop. The team was very responsive when I had questions, which gave me extra confidence in the product. Compared to the dealer’s astronomical prices, this saved me a ton of money and hassle. Overall, I’m really impressed with how smooth the process was from start to finish.
Aiden Russell –
I bought the 56044563AF ECM for my 2004 Jeep Grand Cherokee and was really impressed with how quickly it arrived. Installation was straightforward since it came fully programmed and plug-and-play, which made the whole process stress-free. The communication from the seller was clear and timely, and the price was much more reasonable than the dealership’s quote. Overall, this service saved me a lot of money and got my Jeep running smoothly again in no time.