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



Victor Douglas –
I ordered the 15305153AE ECM for my 2004 Ram with the 5.9L Cummins and was impressed by how quickly they had it programmed to my VIN before shipping. The plug-and-play setup made installation straightforward, and the engine runs perfectly now. Shipping was reasonable and arrived right on time. Customer service was also very responsive when I had a couple of questions during the process.
Chris Cook –
I purchased the 15305153AE ECM for my 2004 RAM Cummins and was really impressed with how smoothly everything went. The unit arrived quickly with free shipping, which was a nice bonus. They also provided professional VIN programming, so it was basically plug-and-play once I got it installed. Customer support was quick to answer my questions, making the whole process hassle-free.
Cooper Jenkins –
The ECU arrived quickly with free shipping and was perfectly programmed for my 2004 Ram Cummins — great service all around.
Super fast turnaround and the plug-and-play programming made swapping my ECM hassle-free.
Customer support was fantastic, answering all my questions promptly and keeping me in the loop throughout the process.
Received my PCM with very reasonable shipping costs and it worked flawlessly right out of the box.
Impressed with the professional programming service; my truck runs smoother than ever since installation.
Luis Brown –
The VIN-programmed ECM arrived fast and was ready to plug in—shipping was super affordable too. Great experience with their quick responses and professional service.
Logan Richardson –
I ordered the 15305153AE ECM for my 2004 RAM Cummins and was really impressed with the whole experience. The VIN programmed unit arrived quickly and was exactly as described, making the installation straightforward. What really stood out was their excellent communication—they kept me in the loop the entire time and responded promptly when I had questions about the setup. Plus, the shipping cost was very reasonable, which was a nice bonus. Since installing this ECM, my truck runs smoother than ever. Highly recommend this seller for anyone needing a reliable replacement part.