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
Austin Edwards –
I purchased the 15250153AG ECM for my 2004 Ram 5.9L Cummins, and the entire process was smooth from start to finish. The unit arrived quickly with free shipping, which was a nice bonus. They provided professional VIN programming, so it was basically plug-and-play once I received it. Communication was on point too; they answered all my questions promptly, making me feel confident about the purchase.
Jason Walker –
I was a bit nervous about ordering an ECM online for my 2004 Ram Truck, but this unit exceeded my expectations. The VIN programming was spot on, so it was truly plug-and-play—no hassle at all. I appreciated how quickly they responded to my questions when I reached out for some clarification. Shipping was free and surprisingly fast, which made the whole process even smoother. My truck runs perfectly now, and I’m relieved to have found such a reliable source. I definitely recommend this to anyone needing a quality ECM without the headache.
Logan Keller –
I was a bit nervous ordering an ECM online, but this 15250153AG unit arrived quickly and exactly as described. The best part was that it came VIN programmed and ready to install, so I didn’t have to worry about any complicated setup. Their customer service was fantastic—they kept me updated throughout the entire process and answered all my questions promptly. Once installed, my 2004 Ram started right up with no issues. Overall, it was a smooth experience and well worth it.
Lucas Hamilton –
Super fast shipping and the plug-and-play setup made installing this ECM a breeze—works perfectly on my 2004 Cummins.
Jacob Miles –
Great quality ECM and the VIN programming was spot on, plus the free shipping was a nice bonus. Quick responses from the team made the whole process smooth.
Andrew Roberts –
I ordered the 15250153AG ECM for my 2004 RAM Cummins, and the whole process was seamless. The unit arrived quickly with free shipping, and it was already VIN programmed, which saved me a lot of hassle. Their customer service was very responsive when I had questions about installation. Overall, a smooth experience and the truck runs perfectly now.