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
Brandon Stewart –
Fast shipping and the unit was ready to go right out of the box. Saved me a ton over dealer prices and installation was a breeze.
Jeremy Sharp –
Received my programmed ECM quickly with free shipping, and it fit my 2004 Grand Cherokee perfectly—couldn’t be happier with the smooth install.
Isaac Smith –
The RL044563AL 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 from a complicated setup. Compared to the dealer prices, this purchase saved me a significant amount of money. The seller’s communication was clear and timely, making the whole process very smooth.