Description
2004 Jeep Grand Cherokee 4.7L ECM / ECU – VIN Programmed | Updated
This Engine Control Module (ECM / ECU) is a genuine OEM replacement for all 2004 Jeep Grand Cherokee 4.7L models.
Each unit is VIN-programmed, updated, and fully tested for a true plug-and-play installation with our cloning service.
Built to OEM standards for reliability, calibration accuracy, and long-term performance.
Strict Testing & Quality Assurance
Every ECU is inspected, refreshed, and verified through advanced diagnostic tools. Testing includes:
Complete communication & CAN-bus verification
Sensor input/output and signal integrity checks
Injector & ignition pulse simulation
Power, ground, and load-circuit analysis
Flash memory integrity and checksum validation
Thermal and voltage-stress testing to confirm reliability
Important Note
Some vehicles with IMMO or PATS require key programming after installation. This is normal.
For a 100% plug-and-play solution, we recommend using our full cloning service. We transfer all security data to the replacement unit.
A prepaid shipping label will be emailed to you. Allow you to mail in your original computer to us for full cloning.
If cloning is not selected, the ECU will be VIN programmed, and a key relearn will be required after installation.
Contact Us
Email: info@fixecm.com
Phone: Local: 647-247-8555 | Toll-Free: 1-800-915-5566
Anthony Moore –
I ordered the 56044565AF ECM for my 2004 Jeep Grand Cherokee, and the entire process was seamless. The unit arrived quickly with free shipping, which was a great bonus. They provided professional programming tailored to my VIN, so installation was plug-and-play without any headaches. The Jeep runs perfectly now, and I’m really impressed with the quality and service.
Chris Jenkins –
I was really impressed with the service I received for the 56044565AF ECM for my 2004 Jeep Grand Cherokee. The unit arrived quickly with free shipping, which was a nice bonus. Installation was straightforward because the ECM was already VIN programmed, saving me a ton of time and hassle. I also appreciated how the seller kept me informed throughout the process, answering my questions promptly and professionally. Since swapping it out, my Jeep runs smoother than it has in years. Overall, a great experience from start to finish.
Miguel Hayes –
This ECU arrived quickly with free shipping and was perfectly programmed for my 2004 Jeep Grand Cherokee—installation was a breeze. Communication was spot on, and they kept me informed every step of the way.