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
Carlos Kelly –
Got my 2004 Jeep ECM quickly with free shipping, and the plug-and-play setup was flawless—highly recommend.
Their communication was spot on, answering all my questions fast and making the VIN programming hassle-free.
Excellent quality and super fast turnaround; my Jeep runs like new again thanks to their professional programming service.
Jorge Payne –
I ordered the 56044563AJ ECM for my 2004 Jeep Grand Cherokee and was really impressed with how smoothly everything went. The unit arrived quickly with free shipping, and it was already VIN programmed, so installation was straightforward—no extra hassle. Their team also responded promptly to my questions, which gave me peace of mind throughout the process. The engine runs perfectly now, and I couldn’t be happier with the quality.
Jason Miles –
The 56044563AJ ECM for my 2004 Jeep Grand Cherokee arrived quickly and was ready to go right out of the box. Installation was straightforward since it was fully VIN programmed and truly plug-and-play, which saved me hours of hassle. Compared to the dealer’s price, this service saved me a ton of money without sacrificing quality. The communication throughout the process was clear and professional, making the whole experience smooth and stress-free.
Caleb Hill –
I was really impressed with how smoothly everything went when I ordered the ECM for my 2004 Jeep Grand Cherokee. The unit arrived quickly, and I was relieved to see it was already VIN programmed, which saved me a ton of hassle. The free shipping was a nice bonus too, considering how urgent my repair was. Throughout the process, the seller kept me informed and answered all my questions promptly, which made me feel confident about my purchase. Since installing it, my Jeep runs better than it has in years—definitely a great buy!
Russell Johnson –
Arrived super fast and was exactly as described—plug-and-play with no hassle. Saved me a ton compared to dealer prices and the customer service was really helpful throughout.