Description
2009 Pontiac Montana 3.5L TCM Transmission Control Module – Programmed Plug & Play
This Transmission Control Module (TCM / TCU) is a genuine OEM replacement for all 2009 Pontiac Montana 3.5L 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
Contact Us
Email: info@fixecm.com
Phone: Local: 647-247-8555 | Toll-Free: 1-800-915-5566



Benjamin Evans –
Arrived quickly with free shipping, and the plug-and-play setup made installing the TCM on my 2009 Pontiac Montana a breeze. Highly recommend!
Eric Gray –
This TCM fit my 2009 Montana perfectly and was ready to go right out of the box—installation was a breeze! Fast delivery and great support made the whole process smooth.
Plugged this in without any hassle and my transmission shifted flawlessly afterward. Super quick shipping and exactly as described!
Got the module within days, installed it myself, and my van runs like new again. Huge relief knowing it was pre-programmed and ready to roll.
Scott Baker –
I was a bit nervous about replacing the transmission control module on my 2009 Pontiac Montana, but this unit made the whole process smooth and straightforward. It came already programmed, so I just plugged it in, and the vehicle shifted perfectly right away. Shipping was surprisingly quick, which was a huge relief because I needed my van back on the road fast. The fit was perfect, and I didn’t have to tweak anything or visit a mechanic. Overall, a solid purchase that saved me a lot of time and hassle.
Chase Hamilton –
I purchased the 2009 Pontiac Montana 3.5L TCM Transmission Control Module and was really impressed with how straightforward the plug-and-play setup was. The module arrived quickly with free shipping, which was a nice bonus. Their communication throughout the process was excellent—they kept me updated every step of the way and answered all my questions promptly. Installation went smoothly, and my transmission is shifting perfectly again.
Cameron Wilson –
I was a bit nervous about replacing the transmission control module myself, but this product made it super easy. It arrived quickly and was already programmed, so all I had to do was plug it in and go. My Montana shifts smoothly now, and the whole process saved me a lot of time and hassle. Definitely worth the investment for anyone needing a reliable TCM replacement.
Noah Richardson –
I was really impressed with how smoothly this TCM fit right into my 2009 Pontiac Montana. The module came pre-programmed, so I didn’t have to deal with any confusing setups or trips to the shop. Installation was straightforward, and my transmission issues vanished almost immediately once it was in. Shipping was quicker than I expected, which was a nice bonus since I needed it urgently. Overall, it’s a solid product that worked exactly as described and saved me a lot of hassle.