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
Trevor Green –
Fast shipping and a true plug-and-play ECM for my 2004 RAM 5.9L—installed easily and saved me a bundle versus the dealer. Great communication throughout made the whole process stress-free.
Neil Mitchell –
I purchased the 20325251AH ECM for my 2004 RAM Cummins and was very impressed with the whole process. The unit arrived quickly with free shipping, which definitely saved me some money. Their professional VIN programming service made installation hassle-free, and my truck runs perfectly now. The quality of the ECU is outstanding, and I appreciated how they kept me informed every step of the way.
Bruce Scott –
I was really impressed with how quickly this ECM arrived and how seamlessly it fit right into my 2004 RAM 5.9L Cummins. The unit came VIN programmed and ready to go, so installation was straightforward and hassle-free. Compared to dealer pricing, this option saved me a ton of money without sacrificing quality. The customer service was also very responsive, which made the whole process smooth from start to finish.
Marcus Miles –
The ECU arrived quickly with free shipping and was perfectly programmed for my 2004 RAM, getting my truck up and running without a hitch. The team was also super responsive when I had questions!
Ethan Peterson –
I recently purchased the 20325251AH ECM for my 2004 RAM Cummins, and I couldn’t be happier with how everything turned out. The unit arrived much faster than I expected, and it was truly plug-and-play—installation took no time at all. The communication from the seller was clear and professional throughout the entire process, which made me feel confident in my purchase. Best of all, this saved me a small fortune compared to the dealer’s prices. If you’re looking for a hassle-free solution with quick turnaround, this is the way to go.