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
Cooper King –
Great service with fast turnaround and a plug-and-play setup that got my 2004 Jeep running smoothly again. Shipping was free, which was a nice bonus.
Keith Taylor –
Fast shipping and a seamless plug-and-play install—this unit saved me a bundle compared to dealer prices. Communication was clear, and the whole process was hassle-free.
Blake Brown –
I was really impressed with how quickly this ECM arrived after I placed my order—fast shipping made a big difference. The unit came fully programmed for my 2004 Jeep Grand Cherokee and was completely plug-and-play, which made installation straightforward and hassle-free. Choosing this over a dealer repair saved me a considerable amount of money, and the communication with the seller was clear and professional throughout. Overall, a smooth experience that had my Jeep running perfectly again in no time.
Shane Bates –
I bought the 56044563AB ECM for my 2004 Jeep Grand Cherokee, and it arrived quickly with free shipping, which was a nice bonus. The plug-and-play setup made installation straightforward, and the engine has been running perfectly since. Their team was also very responsive when I had a couple of questions about the VIN programming process. Overall, a smooth and hassle-free experience.
Miguel Tucker –
I was really impressed with how quickly this ECM arrived—shipping was definitely faster than I expected. Installing it on my 2004 Jeep Grand Cherokee was straightforward since it was completely plug-and-play, which made the whole process stress-free. The VIN programming was spot on, so I didn’t have to waste any time on adjustments. Compared to the dealer’s quote, this solution saved me a significant amount of money without sacrificing quality. The customer service was also very responsive, answering my questions promptly. Overall, it was a smooth experience from start to finish.