Description
2004 GMC Yukon 6.0L ECM / ECU – VIN Programmed | Updated
This Engine Control Module (ECM / ECU) is a genuine OEM replacement for all 2004 GMC Yukon 6.0L 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



Robert Baker –
The VIN programmed ECM arrived quickly with free shipping and worked perfectly right out of the box. Great service and super fast turnaround!
Eric Wright –
I was really impressed with how smooth the entire process was. The ECM arrived quickly with free shipping, which was a pleasant surprise. It was already VIN programmed and ready to go, so installation was a breeze — no need to worry about complicated setup. The quality of the part feels top-notch, and my Yukon is running better than it has in years. Plus, the team kept me informed throughout, which made me feel confident about my purchase.
David Barrett –
I had an issue with my 2004 GMC Yukon’s ECM and was worried about finding a reliable replacement. This VIN programmed unit arrived quickly and was exactly as described, making installation straightforward. What really stood out was how well the company communicated throughout the process—they answered all my questions promptly and kept me informed about shipping. The free shipping was a nice bonus, saving me some extra costs. After installation, my Yukon runs smoother than before, and I’m very happy with the quality of this ECM. Definitely a trustworthy source for anyone needing ECU replacements.
Nicholas Carter –
I was impressed with how quickly my 2004 GMC Yukon ECM arrived and it came already VIN programmed, which saved me a lot of hassle. The plug-and-play setup made installation straightforward, and everything worked perfectly from the start. Shipping was very reasonable too, so I felt like I got great value overall. The team also answered my questions promptly when I needed a little extra info.