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.Built to OEM standards for reliability, calibration accuracy, and long-term performance.
Strict Testing & Quality Assurance
This is not a brand-new unit. It is a rebuilt unit that is inspected, refreshed, and fully tested before shipping.
Testing includes communication, CAN-bus, sensor signal, power circuit, flash memory, and reliability checks.
Important Note
If your vehicle does not have an IMMO or PATS system, this unit will be directly plug&play.
If your vehicle has an IMMO or PATS system, it will require a key relearn after installation. You can visit your local locksmith for help.
We also offer a full cloning service. We transfer all security data to the replacement unit, so it will be a plug&play installation.
For all European cars, Hyundai, and Kia vehicles, we recommend adding our cloning service as a bundle.
For American and Japanese cars, we recommend doing a key relearn on-site.
Contact Us
Email: info@fixecm.com
Phone: Local: 647-247-8555 | Toll-Free: 1-800-915-5566



Justin Howard –
I ordered the 15235110AH ECM for my 2004 RAM Cummins, and I couldn’t be happier with the experience. The shipping was surprisingly fast, which was a relief because I needed the truck back on the road quickly. When I received the unit, it was fully VIN programmed and truly plug-and-play—installation went smoothly without any hiccups. This service saved me a ton of money compared to the dealer’s price, and the communication throughout the process was clear and professional. Overall, a hassle-free experience that got my truck running like new again. Highly recommend!
Cooper Burton –
I was really impressed with how quickly the 15235110AH ECM arrived after ordering—it made the whole repair process so much easier. The unit was truly plug-and-play, fitting right into my 2004 Ram 5.9L Cummins without any hiccups. Compared to dealer prices, this service saved me a significant amount of money, and the communication from the seller was clear and helpful throughout. Installation went smoothly and now my truck runs perfectly.
Steven Smith –
Fast shipping and the plug-and-play unit worked perfectly on my 2004 Ram Cummins. This saved me a bundle compared to dealer prices and installation was a breeze.
Harvey Clark –
Fast shipping and the plug-and-play setup made installation a breeze—my 2004 Ram runs like new again!