Description
2004 RAM Ram Truck (Cummins) 5.9L ECM / ECU – VIN Programmed | Updated
This Engine Control Module (ECM / ECU) is a genuine OEM replacement for all 2004 RAM Ram Truck (Cummins) 5.9L 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
Jordan Adams –
I ordered the 15235113AI ECM for my 2004 RAM Cummins and was impressed by how quickly it arrived with free shipping included. The unit came fully VIN programmed, which made installation straightforward—no extra hassle or trips to a shop needed. Customer service was also very responsive to my questions, which gave me confidence throughout the process. Overall, a great experience with top-notch quality and convenience.
Henry Phillips –
Super fast shipping and the ECU arrived perfectly programmed for my ’04 Cummins—installation was a breeze. Definitely coming back for any future needs!
Jason Bates –
Fast shipping and perfect plug-and-play setup—my 2004 Ram runs like new again. The communication was clear and they answered all my questions right away.
Chris Mitchell –
I was really impressed with how smoothly everything went ordering this ECM for my 2004 RAM Cummins. The team handled the VIN programming for me, which took a huge load off my shoulders since I’m not super tech-savvy. Shipping was fast and affordable, arriving earlier than expected. Once installed, my truck runs like new again—no more random check engine lights or performance issues. Their communication throughout the process was top-notch; they kept me informed every step of the way. Definitely recommend if you need a reliable replacement ECM with professional programming included.