End Your Uplander’s Transmission Headaches for Good
Is your 2006-2009 Chevrolet Uplander struggling with harsh shifting, getting stuck in gear, or showing a persistent check engine light? These are classic signs of a failing Transmission Control Module (TCM). As the electronic brain of your automatic transmission, a faulty TCM can make your family minivan feel unpredictable and unsafe. This replacement T42 TCM, part number 24239224, is the definitive solution, arriving pre-programmed to your vehicle’s specific VIN for a true plug-and-play repair.
From the Diagnostic Bay: A Common Uplander Story
I remember a customer bringing in their ’08 Uplander. The complaint was intermittent but severe: sometimes it would slam into gear, and other times it felt like it was slipping. They were worried about a major transmission failure. After hooking up the scan tool, I saw the tell-tale P0700 (Transmission Control System Malfunction) and a few solenoid circuit codes. Instead of quoting a multi-thousand dollar transmission rebuild, we identified the culprit: the original TCM. After installing one of our VIN-programmed modules—a job that took less than 30 minutes—the shifting was immediately smooth and responsive. The customer saved a fortune and got their reliable family vehicle back the same day.
Is Your Uplander Showing These Transmission Warning Signs?
A failing TCM doesn’t get better on its own. If you’re experiencing any of the following, it’s time for a replacement. Ignoring these symptoms can lead to more significant and costly damage to your transmission.
- ✔ Harsh, banging shifts or delayed gear engagement.
- ✔ The vehicle is stuck in “limp mode” (usually 2nd or 3rd gear).
- ✔ Check Engine Light or Transmission Warning Light is on with codes like P0700, P0750, or other solenoid-related DTCs.
- ✔ Failure to upshift or downshift correctly, leading to poor acceleration.
- ✔ A noticeable decrease in fuel economy.
- ✔ Unpredictable electrical behavior related to the transmission.
A Straightforward Guide to Installation
One of the best parts about this module is that you don’t need to be a master mechanic to install it. Because it’s pre-programmed, the hardest part of the job is just locating the old one. For the Chevy Uplander, you’ll find it conveniently located.
- Safety First: Disconnect the negative terminal from your vehicle’s battery to prevent any electrical shorts and to help reset the system.
- Locate the Module: On your 2006-2009 Uplander, the TCM is typically found at the left-hand (driver’s side) strut tower in the engine bay.
- Swap the Part: Carefully unplug the electrical connectors from the old TCM. Unbolt it from its mounting bracket and set it aside. Bolt the new module in its place and securely re-attach the connectors.
- Final Steps: Reconnect the battery terminal. While the system may reset on its own, it’s best practice to use a standard OBD-II scan tool to clear any stored fault codes. Start the vehicle and take it for a test drive to confirm the smooth shifting.
Verified Fitment for Your Vehicle
This module is a direct replacement for part number 24239224 and other interchangeable numbers for a wide range of GM vehicles. This specific listing is guaranteed to fit the following model:
- Chevrolet Uplander: 2006, 2007, 2008, 2009 (Transmission Control Module located at LH strut tower)
It also fits dozens of other GM cars, trucks, and SUVs. If you are unsure about compatibility, please contact us with your VIN before ordering.
Frequently Asked Questions
What does a VIN-programmed TCM do?
VIN programming loads your vehicle’s specific software and calibrations onto the module before it ships. This ensures it communicates perfectly with your engine computer and transmission, eliminating the need for expensive dealership programming. It’s a true plug-and-play solution.
Will this fix a P0700 code on my Uplander?
A P0700 code is a general fault code indicating the TCM has detected a problem. In many cases, a failing TCM is the root cause. Replacing it with this quality part is a very common and effective fix for this and related transmission codes.
Is there a core charge for my old part?
No, there is absolutely no core charge. You can keep your old part or recycle it at your convenience without any hassle or extra fees.
What is the warranty on this 2006-2009 Uplander TCM?
This part is backed by our one-year, hassle-free warranty. We stand behind the quality and reliability of our electronic components, giving you peace of mind with your purchase.