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
Austin Torres –
I was really impressed with how quickly the ECM arrived—it shipped faster than I expected. The unit was plug-and-play, making installation straightforward without any hassle. This replacement saved me a ton compared to dealer prices, and the team’s communication throughout the process was clear and professional. Overall, a smooth experience from start to finish.
Joel Ramirez –
I was really impressed with how smoothly everything went with this ECM purchase. The unit arrived quickly, and the fact that it came already programmed to my Jeep’s VIN saved me a ton of hassle. The installation was straightforward, and I had my Grand Cherokee running like new in no time. Customer service was super responsive too—they answered all my questions promptly and kept me in the loop throughout the process. Definitely a stress-free experience from start to finish.
Lucas Payne –
I recently purchased the 56044563AE ECM for my 2004 Jeep Grand Cherokee, and I’m really impressed with the overall experience. The unit arrived quickly with free shipping, which was a nice surprise. The plug-and-play setup was straightforward, and the vehicle started right up without any issues. Their communication was excellent—I got prompt responses to all my questions, which made me feel confident throughout the process.
Kyle Ward –
Great quality ECM for my 2004 Jeep Grand Cherokee, arrived quickly with free shipping and worked perfectly right out of the box. The plug-and-play setup saved me a lot of hassle!
Joel Hall –
I was really impressed with how quickly this ECM arrived after I placed my order — way faster than I expected. When I got it, the unit was ready to go right out of the box with no complicated setup needed, which made the installation a breeze. Compared to the dealer’s quote, this saved me several hundred dollars, and the communication from the seller throughout the process was excellent. My Jeep had been running rough, and now it drives like new again. Overall, a hassle-free experience and a great value for anyone needing an ECM replacement.
Luke Roberts –
Fast shipping and the ECM was truly plug-and-play, saved me a bundle compared to the dealer. Installation was smooth and the whole process was hassle-free.