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
Travis Rivera –
Fast shipping and the unit was truly plug-and-play. Saved me a bundle compared to dealer prices and installation went without a hitch.
Chase Gray –
I had been struggling with my 2004 RAM Cummins ECM failure and after ordering this replacement unit, I was genuinely impressed. The ECU arrived quickly, and the fact that it came already programmed to my VIN saved me a huge headache. The team was very responsive to my questions throughout the process, which gave me confidence in the purchase. Once installed, the truck fired up without any issues, and performance felt smooth and consistent. Definitely recommend this seller for anyone needing a reliable ECM with great customer care.
Kyle Smith –
I was really impressed with how quickly my 2004 Ram’s ECM arrived after I placed the order. The unit was completely plug-and-play, which made installation straightforward even for someone like me who isn’t a mechanic. What stood out the most was the huge savings compared to dealer prices—this saved me a bundle. The communication throughout the process was clear and professional, so I always knew what to expect. Overall, it was a smooth experience, and my truck runs like new again thanks to this ECU.
Zachary Rivera –
I was impressed with how quickly this ECM arrived, and the fact that it came VIN programmed saved me a lot of time and hassle. The plug-and-play setup worked flawlessly on my 2004 Ram with the Cummins 5.9L engine. Shipping was very reasonable, and the quality feels top-notch. Definitely a reliable product for anyone needing a replacement module.
Jason Webb –
I was really impressed with the quality of this ECM for my 2004 RAM Cummins. The unit came VIN programmed, so installation was straightforward and hassle-free. What stood out was their quick and clear communication—they answered all my questions promptly and kept me informed every step of the way. Shipping was free and arrived faster than I expected, which was an added bonus. Since installing it, my truck runs smoother and feels like new again. Definitely a trustworthy source for ECM replacements.
Leo Allen –
I’m really impressed with the 15235133AE ECM for my 2004 RAM Cummins. The unit arrived quickly and was truly plug-and-play, making installation hassle-free. Their team kept me updated throughout the process, which gave me confidence. This service saved me a ton compared to dealer prices, and everything is running perfectly now.
Benjamin Wallace –
The VIN-programmed ECM arrived quickly with free shipping, and it worked perfectly right out of the box. Excellent service and hassle-free setup!