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
Robert Collins –
I was nervous about replacing the ECM on my 2004 Jeep Grand Cherokee, but this unit arrived quickly and was exactly as described. The plug-and-play setup made installation surprisingly easy, even for someone like me who’s not a professional mechanic. I saved a ton compared to what the dealer quoted, which was a huge relief. The communication from the seller was clear and helpful throughout the process, answering all my questions promptly. Overall, this was a smooth experience and my Jeep runs great again!
Max Scott –
The PCM arrived quickly with free shipping and was perfectly programmed for my Jeep, making installation a breeze.
Their communication was spot on—I had all my questions answered fast, and the ECU works flawlessly.
Received my updated ECM super fast, and the plug-and-play setup saved me a ton of time and hassle.
Great service with quick turnaround and professional programming, the unit fit perfectly and my Jeep runs like new.
Shipping was affordable and the team kept me in the loop the entire time, really appreciated their transparency.
Michael Cook –
Fast shipping and the unit was ready to go right out of the box. Saved me a ton compared to dealer prices and installation was a breeze.
Jonah Watson –
I was really impressed with how quickly this ECM arrived—it definitely beat my expectations. The unit came fully programmed and was truly plug-and-play, which made the installation process seamless. This purchase saved me a ton compared to the dealer’s price, and their customer support was attentive and helpful throughout. Overall, a smooth experience from start to finish.