Description
2005 GMC Sierra 4.8L ECM / ECU – VIN Programmed | Updated
This Engine Control Module (ECM / ECU) is a genuine OEM replacement for all 2005 GMC Sierra 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
Paul Page –
I ordered the 2005 GMC Sierra 4.8L ECM from this seller, and I’m really impressed with how smooth the whole process was. The unit came VIN programmed, which saved me a ton of hassle since it was basically plug-and-play. Shipping was free and arrived faster than I expected, which was a huge bonus. Their team also kept me updated every step of the way, answering my questions promptly and making sure I felt confident about the swap. My truck fired up immediately after installation, and it’s been running perfectly ever since.
Noah Chapman –
I was impressed with how smoothly the VIN programming was handled on this ECM for my 2005 GMC Sierra. The team provided professional programming service, so it was essentially plug-and-play once it arrived. Shipping was very reasonable too, and it arrived sooner than expected. Overall, the whole process was hassle-free, and my truck runs perfectly now.
Elijah Smith –
Fast shipping and the unit was completely plug-and-play—saved me a ton compared to dealer prices. Installation went smooth and the team was very responsive throughout.
Oliver Parker –
The ECM arrived quickly with free shipping and was perfectly programmed for my 2005 GMC Sierra—installation was a breeze. Their support team answered all my questions promptly, making the whole process stress-free.
Dean Allen –
I was really impressed with how smoothly everything went ordering the 2005 GMC Sierra 4.8L ECM. The part arrived quickly, and shipping was free, which was a great bonus. What stood out most was the plug-and-play setup—they had it programmed to my VIN before it even shipped, so installation was straightforward and saved me a lot of hassle. The quality feels top-notch, and my truck runs like new again. Customer support was also quick to respond when I had a couple of questions, making the whole experience stress-free.
Mason Anderson –
I was really impressed with how quickly this ECM arrived—it shipped faster than I expected. Installation was straightforward since the unit was fully programmed and plug-and-play, which saved me a lot of hassle. The price was much more reasonable than what the dealer quoted, and the whole experience was smooth thanks to the helpful communication from the seller. Definitely a smart choice for anyone needing a quick and affordable solution.