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 for a true plug-and-play installation with our cloning service.
Built to OEM standards for reliability, calibration accuracy, and long-term performance.
Strict Testing & Quality Assurance
Every ECU is inspected, refreshed, and verified through advanced diagnostic tools. Testing includes:
Complete communication & CAN-bus verification
Sensor input/output and signal integrity checks
Injector & ignition pulse simulation
Power, ground, and load-circuit analysis
Flash memory integrity and checksum validation
Thermal and voltage-stress testing to confirm reliability
Important Note
Some vehicles with IMMO or PATS require key programming after installation. This is normal.
For a 100% plug-and-play solution, we recommend using our full cloning service. We transfer all security data to the replacement unit.
A prepaid shipping label will be emailed to you. Allow you to mail in your original computer to us for full cloning.
If cloning is not selected, the ECU will be VIN programmed, and a key relearn will be required after installation.
Contact Us
Email: info@fixecm.com
Phone: Local: 647-247-8555 | Toll-Free: 1-800-915-5566
Mark Little –
I purchased the 15235110AB ECM for my 2004 Ram 5.9L Cummins, and it arrived quickly with free shipping, which was a nice bonus. The unit came VIN programmed and ready to install, making the whole process hassle-free. The seller kept me informed throughout, answering my questions promptly and ensuring I knew exactly when to expect my order. Overall, the quality and service exceeded my expectations.
Jorge Lopez –
I recently purchased the 15235110AB ECM for my 2004 Cummins Ram, and I couldn’t be happier with the experience. The unit arrived quickly with free shipping, which was a pleasant surprise. What really stood out was that it came VIN programmed, so installation was straightforward—no extra hassle. The communication was spot-on too; the team responded promptly to all my questions and kept me informed throughout the process. Overall, this replacement has my truck running like new again.
Steven Little –
The VIN programmed ECM arrived quickly with free shipping and worked perfectly in my 2004 Ram Cummins. Excellent service and seamless plug-and-play setup!