Description
2008 Pontiac G8 3.6L TCM Transmission Control Module – Programmed Plug & Play
This Transmission Control Module (TCM / TCU) is a genuine OEM replacement for all 2008 Pontiac G8 3.6L models. Each unit is pre-programmed to your vehicle’s VIN and updated to the latest manufacturer calibration for a true plug-and-play installation with no dealer visit required.
Built to OEM standards for reliability, shift quality, and long-term performance.
Strict Testing & Quality Assurance
Each TCM is fully refurbished, bench-tested, and inspected by our certified in-house technicians.
We use professional off-board testing equipment to verify:
Proper CAN-bus communication
Shift-solenoid activation
Input/Output sensor signal validation
Temperature and load simulation
Live-data performance under simulated driving conditions
No module leaves our facility without passing a full quality control inspection. This ensures you receive a unit that performs better than new at an unbeatable value.
Common Symptoms of a Faulty TCM
Hard shifting / delayed shifting
Gear slipping
Stuck in Limp Mode
Transmission overheating
Erratic gear changes
Poor fuel economy
Trouble codes related to shift solenoids or communication
Important Note
This TCM is fully programmed and updated and does not require additional programming after installation.
Simply install the unit and the vehicle will recognize it automatically.
If your original TCM has unique calibration or custom parameters, we also offer a TCM Cloning Service, which transfers all data-including VIN, shift adaptations, and configuration settings-into the replacement unit.
Contact Us
Email: info@fixecm.com
Phone: Local: 647-247-8555 | Toll-Free: 1-800-915-5566
Oliver Carter –
I was a bit worried about replacing the TCM on my 2008 Pontiac G8, but this module made the whole process incredibly smooth. It arrived quickly and came fully programmed, so I didn’t have to mess with any complicated setups. Installation was straightforward—just plug it in and go, which saved me a ton of time and frustration. After putting it in, my transmission shifted perfectly, and the vehicle drives like new again. It’s rare to find a part that fits so well and works right out of the box, highly recommend this product!
Owen Graham –
Arrived quickly with free shipping and worked perfectly right out of the box—no programming needed. Highly recommend!
John Wright –
I ordered the 2008 Pontiac G8 3.6L TCM Transmission Control Module and was really impressed with how smoothly the plug-and-play setup worked. The programming was done professionally, so installation was straightforward without any hiccups. Shipping was free and arrived faster than I expected, which was a great bonus. Overall, a high-quality product that made a noticeable difference in my car’s shifting performance.
Victor Evans –
I was really impressed with how easily this Transmission Control Module fit right into my 2008 Pontiac G8. The programming was already done, so it was a true plug-and-play replacement with no hassle. Shipping was surprisingly quick, and the unit has performed flawlessly since installation. Definitely a reliable fix if you’re having transmission issues.
Oliver Wright –
Installed this TCM module in minutes with zero hassle—my G8 shifts smoother than ever and the shipping arrived super quick!
Great fit and exactly as described, the plug-and-play feature made the swap effortless, and my car drives like new again.
Fast delivery and flawless performance—this transmission control module was a perfect match and saved me a ton of time.
Plugged it in, and the transmission issues disappeared instantly. Highly recommend for anyone needing a reliable TCM upgrade!
Super easy install with no programming needed, and my Pontiac’s transmission now feels tight and responsive again.
Logan Nichols –
I was really impressed with how smoothly everything went from order to installation. The 2008 Pontiac G8 TCM came pre-programmed and truly was plug-and-play, which saved me a ton of hassle. Shipping was free and arrived much faster than I expected, so my car was back on the road quickly. I had a couple of questions about compatibility, and their customer service responded promptly with clear answers. The transmission shifts perfectly now, and it feels like I have a brand-new vehicle. Definitely a reliable seller I would use again.
Cooper Carter –
I was a bit nervous about replacing the Transmission Control Module on my 2008 Pontiac G8, but this unit made the process so much simpler than I expected. It arrived quickly and was clearly already programmed, so all I had to do was plug it in and go. After installation, the car shifted smoothly and everything felt like new again. I really appreciated that no complicated setup was needed, and it saved me a ton of time and frustration. Definitely a great buy for anyone looking to fix their transmission issues without hassle.