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
Jonah Burton –
The VIN programmed ECM arrived quickly with free shipping and installed perfectly—exactly what my 2004 Ram needed. Customer support was prompt and helpful throughout the process.
Logan Foster –
I needed a replacement ECM for my 2004 RAM with the 5.9L Cummins, and this unit fit perfectly. The shipping arrived quickly, and the plug-and-play setup made installation straightforward without any headaches. Compared to dealer prices, this option saved me a significant amount of money. The team was very responsive and provided clear communication throughout the process, which I really appreciated.
Gavin Carter –
I was really impressed with how smoothly everything went when ordering this ECM for my 2004 Ram 5.9L Cummins. The fact that it came VIN programmed saved me so much hassle, and the plug-and-play setup meant I could get my truck back on the road quickly. Shipping was surprisingly fast and didn’t cost me an arm and a leg, which was a nice bonus. Whenever I had questions, their customer service team was quick to respond and very helpful, making the whole process stress-free. Overall, a great experience from start to finish.
Frank Rogers –
Shipping was super quick, and the unit fit perfectly for my 2004 RAM 5.9L Cummins—plug-and-play with no hassle. Saved me a bundle compared to dealership prices and the service was straight-up professional.
Elliot Burton –
I ordered the 20325251AM ECM for my 2004 Ram 5.9L Cummins, and I’m really impressed with the entire experience. The unit arrived quickly with free shipping, which was a nice bonus, and it came fully VIN programmed, so installation was straightforward. The customer service team was very responsive and answered all my questions promptly, making the whole process stress-free. After installing it, my truck runs smoother than before—great quality part and service overall.
Ethan Marshall –
I was really impressed with how quickly this ECM arrived after I placed the order. It was already VIN programmed, so installation was straightforward and completely plug-and-play, with no headaches or extra tuning required. This saved me a huge amount compared to the dealer’s quote, which was more than double what I paid here. The communication from the seller was clear and timely, answering all my questions before purchase. Overall, the whole process was smooth and professional, and my ’04 Ram is running like new again. Definitely a smart choice if you’re looking to avoid dealer prices without cutting corners.
Owen Lopez –
The VIN programmed ECM arrived fast and was plug-and-play ready, making the whole swap hassle-free. Shipping was super reasonable too, which was a nice bonus.