Description
2004 RAM Ram Truck 5.7L ECM / ECU – VIN Programmed | Updated
This Engine Control Module (ECM / ECU) is a genuine OEM replacement for all 2004 RAM Ram Truck 5.7L 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



Paul Brooks –
Received my programmed ECM quickly with free shipping, and it worked perfectly right out of the box. The setup was truly plug-and-play, saving me a ton of hassle.
Mark Chapman –
I was really impressed with how quickly this ECM arrived, and the free shipping was a nice bonus. The unit was VIN programmed perfectly and installed without any issues—definitely a plug-and-play experience. Their customer service was also great, answering my questions promptly and keeping me informed throughout the process. Overall, a smooth purchase that restored my truck’s performance exactly as expected.
Ryan Webb –
Fast shipping and a true plug-and-play replacement that saved me a bundle over dealer pricing. Setup was a breeze and the service team kept me informed throughout.
Cameron Adams –
Fantastic service with quick communication and the ECM arrived perfectly programmed, ready to install. Shipping was fast and affordable too!