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
Sean James –
Received my 2004 RAM ECM fully VIN programmed with fast turnaround and the plug-and-play setup was flawless. Shipping was super reasonable too!
Liam Evans –
I had been struggling with my 2004 RAM’s engine issues for weeks before finding this ECM replacement. The unit arrived quickly, and the best part was that it came VIN programmed and ready to go—installation was a breeze with no additional tuning on my part. Their communication throughout the process was impressive; I received prompt updates and answers to all my questions, which really gave me confidence in the purchase. The truck runs smoother than it has in years, and I’m relieved to have it back on the road without hassle. Definitely recommend this product if you need a reliable and professionally programmed ECM.
Jason Reed –
Fast shipping and plug-and-play setup made this ECM swap a breeze, plus I saved a ton compared to dealer prices. Communication was clear and installation went without a hitch.
Jordan Evans –
I was a bit nervous ordering an ECM online, but this 2004 RAM 5.9L module arrived exactly as described and was already VIN programmed, which saved me a ton of hassle. The team was super responsive when I had questions about installation, and they kept me in the loop from purchase to delivery. Shipping was free and surprisingly fast, arriving well ahead of schedule. After swapping it in, my truck runs better than ever with no error codes. Definitely a great experience dealing with this company.
Miguel Gray –
I’m really happy with the 20325231AB ECM for my 2004 RAM 5.9L Cummins. The shipping arrived surprisingly fast, and the unit was completely plug-and-play, making installation a breeze. Choosing this option saved me a ton compared to dealer prices, and the team’s communication throughout the process was excellent. Overall, a smooth experience from start to finish.
Robert Gonzalez –
I ordered the ECM for my 2004 RAM Cummins and was really impressed with the entire process. The unit arrived quickly with free shipping, and it was already VIN programmed, so installation was straightforward. Their team was very responsive when I had questions, which made me feel confident in my purchase. Overall, a smooth experience with a reliable product that got my truck running like new.