Description
2005 Buick Rendezvous 3.4L ECM / ECU – VIN Programmed | Updated
This Engine Control Module (ECM / ECU) is a genuine OEM replacement for all 2005 Buick Rendezvous 3.4L 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
Frank Nelson –
I’m really impressed with how quickly the ECM arrived—it was shipped faster than I expected. Installation was straightforward since the unit was plug-and-play, which made the whole process much easier for me. Compared to dealer prices, this service saved me a ton of money, and the team was great about keeping me informed every step of the way. Overall, a smooth experience from start to finish.
Michael Carter –
Fast shipping and the ECM was plug-and-play—saved me a bundle versus dealer prices. Installation was hassle-free and the customer support was really responsive.
Paul Nichols –
I was impressed with how smooth the entire process was from start to finish. The ECM arrived quickly with free shipping, and it was already programmed to my VIN, so installation was straightforward. Their team kept me informed throughout, answering my questions promptly, which gave me a lot of confidence in the purchase. My Buick is running perfectly now without any issues.
Luis King –
I was really impressed with how quickly this ECM arrived after I placed my order. The unit came fully programmed for my 2005 Buick Rendezvous 3.4L, and installing it was as simple as plug-and-play—no extra tuning or trips to a mechanic. This saved me a ton of money compared to the dealer’s price, which was shockingly high. Their customer service was very responsive when I had a couple of questions, making the whole experience smooth and hassle-free. Overall, it was a great value and a relief to get my car running perfectly again so fast.
Patrick Walker –
The ECU arrived quickly with free shipping, and the plug-and-play programming made installation a breeze. Great quality and excellent communication throughout the process.
Caleb Peterson –
I was relieved to find this VIN programmed ECM for my 2005 Buick Rendezvous. Installation was straightforward, and it fit perfectly without any extra hassle. The team provided professional programming services, so it was ready to go right out of the box. Shipping was surprisingly fast and free, which made the whole experience even better. Communication was spot on too—they kept me updated every step of the way. Overall, the engine runs smoother than it has in years, and I couldn’t be happier with the quality.