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
Zachary Harrison –
I bought the 15250150AC ECM for my 2004 Ram 5.9L Cummins, and I’m really impressed with the quality and performance. The unit arrived quickly with free shipping, which was a nice bonus. The team also programmed the VIN for me before shipping, making installation completely plug-and-play. They kept me updated throughout the process and answered all my questions promptly, which gave me great confidence in the purchase.
Aaron Howard –
Super fast shipping and the ECU arrived perfectly programmed for my 2004 Ram 5.9L, made installation a breeze. Great service and quick answers to my questions!
Marcus Barrett –
Fast shipping and the VIN programming was perfect—installed with zero issues. Great experience from start to finish!
Mason Roberts –
I was really impressed with how smooth the whole process was for ordering the 15250150AC ECM for my 2004 RAM 5.9L Cummins. The unit arrived quickly thanks to their very reasonable shipping costs, which was a nice bonus. Once I got it, the plug-and-play setup worked perfectly without any hassle. What stood out most was how well they communicated throughout, keeping me informed every step of the way and answering my questions promptly. After installation, my truck runs better than it has in years. Definitely a reliable service and product!
Luke Ramirez –
I purchased the 15250150AC ECM for my 2004 RAM 5.9L Cummins, and the whole experience was smooth from start to finish. The unit arrived quickly with free shipping, which was a nice bonus. What really stood out was the professional programming service—my truck fired right up without any issues, saving me a lot of hassle. The team also kept me informed throughout the process, which made me feel confident in my purchase.
Jose Poole –
I recently purchased the 15250150AC ECM for my 2004 Ram 5.9L Cummins, and I couldn’t be happier with how smoothly everything went. The unit arrived quickly with free shipping, which was a nice surprise. What really stood out was their plug-and-play programming service—they had the ECU ready and perfectly matched to my truck’s VIN before it even shipped. Installation was straightforward, and my truck is running like new again. The whole process felt hassle-free from start to finish.