Description
2004 Chevrolet Silverado 4.8L ECM / ECU – VIN Programmed | Updated
This Engine Control Module (ECM / ECU) is a genuine OEM replacement for all 2004 Chevrolet Silverado 4.8L 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
Benjamin Brown –
I ordered the 2004 Chevrolet Silverado 4.8L ECM and was really impressed by how smoothly everything went. The unit arrived quickly with free shipping, which was a nice bonus. They provided professional VIN programming, so it was basically plug-and-play once I installed it. Communication was clear throughout the process, and they answered all my questions promptly, making the whole experience hassle-free.
Miguel Miles –
Fast shipping and the plug-and-play unit worked perfectly, saving me a bundle versus dealership prices. Great communication and super smooth install made this an easy fix.
Caleb Lawrence –
I was really impressed with how smoothly everything went with this ECM for my 2004 Silverado. The unit arrived quickly and the shipping cost was very reasonable, which was a nice bonus. What stood out the most was the professional programming service they provided—plugging it in was seamless, and the truck fired right up without any issues. I also appreciated how they kept me in the loop throughout the process, answering my questions promptly whenever I reached out. Overall, it felt like dealing with true experts who know their stuff.
Edward Moore –
I ordered the 2004 Chevrolet Silverado 4.8L ECM and was impressed by how quickly it arrived. The unit was pre-programmed for my VIN and truly plug-and-play, which made installation straightforward and hassle-free. Choosing this over dealer repairs saved me a significant amount of money, and the communication throughout the process was clear and professional. Overall, this service delivered excellent value with a smooth experience from start to finish.
Jack Murray –
I was really impressed with the purchase of this 2004 Chevrolet Silverado ECM. The fact that it came VIN programmed made installation so straightforward—just plug and play, no hassle at all. Shipping was surprisingly fast and very affordable, which was a nice bonus. Throughout the process, the seller kept me informed and answered all my questions promptly, making me feel confident about my purchase. My truck runs smoothly now, and I couldn’t be happier with the quality and service.
Dean Keller –
Received my 2004 Silverado ECM quickly with free shipping, and it was perfectly programmed for my VIN—super smooth plug-and-play experience.
The programming service was spot on, and their team answered all my questions promptly, making the whole process hassle-free.
Fast turnaround and the updated ECM works flawlessly; shipping was very reasonable too, which was a nice bonus.
Great communication throughout, and the unit arrived ready to install with no issues—highly recommend for anyone needing a reliable PCM.
Super impressed with the quality and how quickly they got my ECM to me, plus the shipping cost was surprisingly low.