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
Harrison Gray –
I recently purchased the 15235110AJ ECM for my 2004 RAM 5.9L Cummins, and I couldn’t be happier with the experience. The shipping was surprisingly quick, and when the unit arrived, it was ready to install right out of the box—no headaches or extra programming needed. Installing it was straightforward, and I had my truck up and running in no time. The best part was definitely the cost savings; this saved me a ton compared to what the dealer wanted to charge. Their communication was clear and professional, which made the whole process feel smooth and hassle-free. I’ll definitely turn to them again if I ever need another part.
Jorge Miller –
I was really impressed with how smoothly everything went when I ordered the 15235110AJ ECM for my 2004 RAM 5.9L Cummins. The unit arrived quickly with free shipping, which was a nice surprise. What really stood out was that it came fully VIN programmed, so installation was literally plug-and-play. The quality of the part feels top-notch, and my truck runs better than it has in years. The seller kept me updated from start to finish, which gave me confidence throughout the process. Highly recommend if you need a reliable replacement ECM.
Elijah Page –
The VIN programmed ECM arrived quickly with free shipping, and it was a perfect fit for my 2004 Ram Cummins. Customer service was super responsive and made the whole process hassle-free.
Miguel Watson –
I ordered the 15235110AJ ECM for my 2004 Ram Cummins and was impressed by the professional VIN programming service they provided. The unit arrived quickly with free shipping, which was a nice bonus. Installation was straightforward thanks to the plug-and-play setup, and my truck has been running smoothly ever since. The overall quality and attention to detail really show in this product.
Kyle Reed –
I was really impressed with how quickly this ECM arrived after I placed the order. The unit was completely plug-and-play, making installation straightforward without any hassle. Compared to dealer prices, this saved me a significant amount of money and the customer service was very responsive when I had questions. Overall, a smooth experience from start to finish.
Kevin Willis –
The unit arrived quickly and was truly plug-and-play, saving me a ton compared to dealer prices. Installation went smoothly thanks to clear communication from the team.
Tyler Murray –
I was really impressed with how smoothly everything went ordering this ECM for my 2004 Ram Cummins. The unit arrived quickly, and the best part was that it came already VIN programmed, which saved me a lot of hassle. Shipping was free and arrived right on schedule, which I appreciated since I needed my truck back on the road fast. The team was also super helpful when I had a couple of questions about installation, responding promptly and clearly. After swapping it in, my truck ran perfectly—no issues at all. Definitely a reliable source for quality truck parts.