Description
2004 GMC Sierra 6.0L ECM / ECU – VIN Programmed | Updated
This Engine Control Module (ECM / ECU) is a genuine OEM replacement for all 2004 GMC Sierra 6.0L 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
David Murphy –
I purchased the 2004 GMC Sierra 6.0L ECM and was really impressed with the plug-and-play setup. The unit came VIN programmed and ready to install, which saved me a ton of hassle. Shipping was very reasonable, and the whole process was quick and straightforward. Definitely a reliable product that works just as expected.
Mason Marshall –
The ECM arrived super fast with free shipping, and the plug-and-play setup made installation a breeze. Great service and quality!
Harvey Roberts –
I needed a replacement ECM for my 2004 GMC Sierra 6.0L, and this unit was exactly what I was looking for. The fact that it came VIN programmed saved me so much hassle — it was basically plug-and-play right out of the box. The shipping was surprisingly quick and affordable, which is always a plus. I also appreciated how the seller kept me in the loop throughout the process, promptly answering my questions whenever I reached out. My truck has been running perfectly since the install, and I couldn’t be happier with the smooth experience.
James Poole –
Fast shipping and the plug-and-play unit worked perfectly—saved me a bundle versus dealer prices. Smooth install and great communication throughout.