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
Nicholas Ward –
The ECU arrived quickly with free shipping and was perfectly programmed for my 2004 Jeep—super easy plug-and-play setup. Communication was spot on, keeping me informed every step of the way.
Adam Ramirez –
I ordered the 56044563AA ECM for my 2004 Jeep Grand Cherokee and was really impressed with the entire process. The unit came VIN programmed, so installation was straightforward without any extra hassle. Shipping was free and incredibly fast, which was a nice bonus. They also kept me in the loop the whole time, answering my questions quickly and professionally.
Andrew Barrett –
Fast shipping and the unit fit perfectly—plug-and-play with no hassle. Saved me a ton compared to dealer prices and the whole process was seamless.
Jordan Collins –
I was really impressed with how smoothly everything went when I ordered this ECM for my 2004 Jeep Grand Cherokee. The plug-and-play setup made installation a breeze, and I didn’t need any special tools or extra programming on my end. Shipping was surprisingly fast, arriving well ahead of schedule, which helped me get back on the road quickly. The quality of the unit feels solid and reliable, exactly what I needed to fix my engine issues. Overall, a hassle-free experience with a product that works just as described.