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
Aiden Smith –
I was really impressed with how smoothly everything went when I ordered this ECU for my 2004 Ram 5.9L Cummins. The unit arrived quickly and was already programmed to my VIN, so installation was straightforward with no extra hassle. Customer service was great—they kept me updated throughout the entire process and answered all my questions promptly. The shipping was fast and affordable, which was a pleasant surprise. After installing the ECU, my truck runs better than it has in years. Highly recommend this seller for anyone needing reliable ECM replacements.
Dominic Clark –
Super fast shipping and the unit arrived VIN programmed and ready to go—really saved me a headache!
Owen Poole –
I’m really impressed with the quality of this ECM for my 2004 RAM Cummins. The unit arrived quickly with free shipping, and everything was perfectly programmed to my VIN, making installation straightforward. The seller kept me informed throughout the process and answered all my questions promptly, which made the experience stress-free. Overall, it’s been a reliable replacement that restored my truck’s performance exactly as expected.
Austin Adams –
Fast shipping and the ECU came perfectly VIN programmed—plug and play with zero hassle. Highly recommend this seller!
Oliver Stewart –
I was a bit nervous ordering an ECM online, but this 15235113AE for my 2004 RAM Cummins arrived quickly and exactly as described. The best part was that it came VIN programmed and ready to go—no need for me to fiddle with complicated setups or find a tuner. The free shipping was a nice bonus, and the entire process was hassle-free from start to finish. Once installed, my truck started right up and runs smoother than it has in years. I’m really impressed with the quality and the professional service they provide.
Zachary Ramirez –
I purchased the 15235113AE ECM for my 2004 RAM 5.9L Cummins, and I’m very impressed with the quality and fit. The plug-and-play setup made installation straightforward, and the VIN programming was spot on, so the truck fired up without any issues. Shipping was free and arrived sooner than expected, which was a great bonus. The entire process was smooth, and the communication from the seller was clear and timely throughout.