Description
2009 Hummer H3 5.3L TCM Transmission Control Module – Programmed Plug & Play
This Transmission Control Module (TCM / TCU) is a genuine OEM replacement for all 2009 Hummer H3 5.3L 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
Colin Morgan –
Arrived fast with free shipping and worked perfectly right out of the box—no hassle plug-and-play setup made this a great buy.
The communication was top-notch; they answered all my questions quickly and the TCM came pre-programmed for my 2009 Hummer H3.
Really impressed with the quick turnaround and professional programming service—my transmission runs smoother than ever now.
James Rogers –
This TCM module fit perfectly and was ready to go right out of the box—had my Hummer shifting smoothly again in no time. Super quick delivery and zero hassle!
Hunter Murphy –
I was impressed with how quickly this 2009 Hummer H3 TCM arrived, and the free shipping was a great bonus. The plug-and-play setup made installation straightforward, and my transmission issues were resolved immediately. Customer service was helpful and answered all my questions before purchase, which gave me confidence in what I was buying. Overall, a smooth experience from start to finish.
Mark Richardson –
Replacing the transmission control module on my 2009 Hummer H3 was a breeze with this pre-programmed unit. It truly was plug-and-play—no complicated coding or trips to the mechanic needed. The fit was perfect, and my vehicle shifted smoothly right away. Shipping was quick, and I appreciated the clear instructions included with the package.
Eric Campbell –
I was pretty nervous about replacing the transmission control module on my 2009 Hummer H3, but this part made the whole process surprisingly easy. It arrived quickly and was already programmed, so I just plugged it in and everything worked perfectly right away. The shift quality improved noticeably, and my truck drives smoother than it has in years. It’s clear this is a quality replacement, and the instructions were straightforward enough that I didn’t have to call for help. Definitely a hassle-free fix that saved me a lot of time and worry.
After dealing with transmission issues for months, I finally decided to buy this programmed TCM for my 2009 H3, and I’m really glad I did. The shipping was prompt, and the module fit perfectly without any extra modifications. Installation was genuinely plug and play—I didn’t have to tinker with anything or reset codes. Ever since swapping it out, my transmission shifts sharply and my vehicle feels more responsive overall. This was a solid investment that brought
Chase Torres –
I was a bit nervous ordering a Transmission Control Module for my 2009 Hummer H3, but the plug-and-play setup made the whole process incredibly easy. The module arrived quickly without any extra shipping cost, which was a pleasant surprise. Installation was straightforward, and the vehicle shifted smoothly right away. I also appreciated the quick responses from their support team when I had a couple of questions before buying. Overall, this was a hassle-free experience that got my H3 back to running like new.