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
Travis Gray –
I was impressed with how smoothly the whole process went from start to finish. The 2004 Jeep Grand Cherokee ECM arrived on time with free shipping, which was a big plus. What really stood out was that the unit came VIN programmed and ready to install, making the swap a breeze. I had a couple of questions during the ordering process, and their team responded quickly and professionally. After installing, my Jeep runs like new again—definitely worth it!
Jeremy Keller –
The 56044565AI ECM I ordered for my 2004 Jeep Grand Cherokee arrived quickly with free shipping, which was a nice bonus. The unit was already VIN programmed, so installation was straightforward and hassle-free. I appreciated how the team kept me informed throughout the process and responded promptly to my questions. Overall, the performance of the car has improved noticeably since the replacement.
Carlos Watson –
Shipping was super fast and the module arrived perfectly programmed for my 2004 Jeep Grand Cherokee—plug-and-play setup made installation a breeze.