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
Max Sharp –
I was really impressed with how smoothly everything went with this ECM for my 2004 Jeep Grand Cherokee. The unit arrived quickly, and what stood out was that it came VIN programmed, so installation was basically plug-and-play. I reached out with a few questions before ordering, and their team responded promptly, providing clear and helpful answers. Once installed, my Jeep ran like new again, no issues or error codes. Overall, the combination of fast shipping and professional programming made this a hassle-free experience.
Nicholas Palmer –
I was a bit nervous ordering the 56044565AJ ECM for my 2004 Jeep Grand Cherokee, but the whole process went smoothly. The unit arrived quickly with free shipping, which was a nice bonus. What really impressed me was the plug-and-play setup—once I installed it, my Jeep fired right up with no issues. The quality felt top-notch, and I didn’t have to waste time messing with complicated programming. Overall, a great experience that got my vehicle back on the road fast.
Luke Hill –
I’m really impressed with how quickly the ECM arrived—I had it in just a few days. The unit was truly plug-and-play, and installation went without any issues. Choosing this service saved me a significant amount compared to the dealer’s price, and their communication throughout the process was clear and professional. Overall, a smooth experience that got my 2004 Jeep Grand Cherokee running perfectly again.
Keith Cook –
Fast shipping and the unit was truly plug-and-play. Saved me a ton compared to dealer prices, and installation went without a hitch.
Aiden Graham –
I ordered the 56044565AJ ECM for my 2004 Jeep Grand Cherokee and was really impressed with the entire process. The unit arrived quickly with free shipping, which was a nice bonus. The ECU came pre-programmed to my VIN, so installation was straightforward and hassle-free. Their team also responded promptly when I had questions about compatibility, making the whole experience smooth and stress-free.
Max Ramirez –
Great product with plug-and-play programming that made installation a breeze. Shipping was fast and affordable too!