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: 647-247-8555
Keith Tucker –
Fast shipping and the plug-and-play unit worked perfectly in my 2004 RAM 5.9L, saving me a ton compared to dealer pricing. Installation was straightforward and the customer support was very helpful throughout.
Jacob Wright –
I purchased the 15235113AJ ECM for my 2004 Ram with the Cummins 5.9L, and I’m really impressed. The unit arrived quickly with free shipping, which was a nice bonus. The programming was spot on, and it was basically plug-and-play—no headaches at all. The seller also kept me updated throughout the entire process, which gave me peace of mind.
Connor Morgan –
I ordered the 15235113AJ ECM for my 2004 RAM Cummins, and the whole process was smooth from start to finish. The unit arrived quickly with free shipping, which was a nice bonus. Their team also handled the VIN programming for me, so I just had to plug it in and go. Communication was excellent—they kept me updated every step of the way and answered all my questions promptly.
Patrick Baker –
The VIN programmed ECM arrived quickly with free shipping, and it worked perfectly on my 2004 Cummins—highly recommend.
Great product and the plug-and-play setup made installation a breeze; they also answered all my questions promptly.
Fast turnaround and the updated ECU runs flawlessly on my Ram truck; excellent communication throughout the process.
Patrick Cook –
The VIN programmed ECM arrived quickly with free shipping, and it worked perfectly right out of the box—highly recommend!
Jonah Torres –
I ordered the 15235113AJ ECM for my 2004 RAM with the 5.9L Cummins, and I couldn’t be happier with the experience. The unit arrived quickly with free shipping, which was a nice bonus. What really stood out was how smoothly the VIN programming was handled—they had it all set up perfectly before it even got to me. Installation was straightforward, and my truck fired right up with no issues. Their team also answered my questions promptly, which gave me confidence throughout the process. Definitely recommend this for anyone needing a reliable ECU replacement.