Description
2004 RAM Ram Truck 4.7L ECM / ECU – VIN Programmed | Updated
This Engine Control Module (ECM / ECU) is a genuine OEM replacement for all 2004 RAM Ram Truck 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



Zachary Page –
The programming was flawless and arrived quickly with free shipping—exactly what my 2004 RAM needed. Communication was spot on throughout the entire process.
Allan Miller –
Received my 2004 RAM ECM quickly with free shipping and it was already VIN programmed—plug-and-play and worked perfectly right out of the box.
Great customer service with fast responses and a smooth VIN programming process; the ECM fit and functioned flawlessly on my Ram truck.
Very impressed with the speedy turnaround and how easy the installation was since they handled all the programming beforehand.
Shipping was super reasonable, and the communication was spot on—they kept me informed every step of the way with my new ECU.
The updated ECM came exactly as described, programmed perfectly for my 4.7L Ram, and arrived faster than expected.