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
Miguel Roberts –
I purchased the 56044563AI ECM for my 2004 Jeep Grand Cherokee, and the experience was excellent from start to finish. The unit arrived quickly with free shipping, and it was already VIN programmed, making installation straightforward. The quality of the ECU is outstanding, and the vehicle runs perfectly now. Customer service was very responsive when I had a couple of questions, which I really appreciated.
Frank Murray –
I was a bit nervous ordering a replacement ECM for my 2004 Jeep Grand Cherokee, but this unit arrived exactly as described and was VIN programmed, which made installation straightforward. The plug-and-play setup saved me a lot of time and hassle since I didn’t have to hunt down a local shop to get it programmed. Shipping was free, and it came faster than I expected, which was a big plus. The engine runs smoother now, and all the previous error codes are gone. Overall, a solid experience from start to finish.
Elliot Russell –
I was a bit nervous ordering an ECM online for my 2004 Jeep Grand Cherokee, but this unit arrived exactly as described and came VIN programmed, so installation was straightforward with no extra hassle. The shipping was surprisingly quick and affordable, which was a nice bonus. Throughout the process, the seller kept me informed about every step, answering my questions promptly and making me feel confident about the purchase. After installing the ECM, my Jeep runs smoother than it has in years. Highly recommend for anyone needing a reliable replacement with professional programming included.
Andrew James –
Fast shipping and the ECU arrived already programmed for my 2004 Jeep Grand Cherokee—plug and play with zero hassle. Great service!
The communication was spot-on; they answered my questions quickly and shipped the updated ECM with no delays. Highly recommend.
Received my 56044563AI module with free shipping and it worked perfectly right out of the box on my Jeep. Very impressed!
Nicholas Richardson –
I’m really impressed with this ECU for my 2004 Jeep Grand Cherokee. The unit arrived quickly and was truly plug-and-play, making the installation process smooth and hassle-free. The communication from the seller was clear and professional throughout, and I saved a significant amount compared to dealer prices. Overall, a great experience that got my Jeep running perfectly again in no time.
Anthony Bell –
Fast shipping and the plug-and-play ECM fit perfectly in my 2004 Jeep Grand Cherokee. This saved me a ton compared to dealer prices, and the install went without a hitch.