Restore Your Truck’s Performance with a Pre-Programmed TCM
Is your 2008-2012 Chevrolet Colorado suffering from frustrating transmission problems? As a technician with over two decades of experience, I know how maddening it can be when your truck starts shifting erratically, gets stuck in gear, or throws a check engine light. These are classic signs of a failing Transmission Control Module (TCM). This replacement T42 TCM, part number 24230461, is the direct, reliable solution you need. It arrives fully programmed to your truck’s specific VIN, eliminating the need for expensive dealership visits and getting you back on the road with confidence.
Case Study: A Tricky Diagnosis
I remember a 2011 Colorado that came into the shop. The owner was frustrated; he’d been chasing a P0700 code for weeks. The transmission would slam into gear intermittently, and his fuel economy had tanked. Another shop had already replaced a shift solenoid with no luck. After a quick scan and data stream analysis, I suspected the TCM. The internal logic was failing, sending faulty commands. We installed one of our VIN-programmed modules, and the difference was immediate. Shifts were crisp, the code was gone, and the customer drove away with a truck that felt new again. This isn’t just a part; it’s a permanent fix for a common headache.
Is Your Colorado Showing These Symptoms?
A faulty TCM can cause a wide range of issues that can be easily mistaken for mechanical transmission failure. Before you consider a costly transmission rebuild, check if your truck is experiencing any of these common electronic problems. A new 2008-2012 Colorado TCM is often the solution.
- âś” Harsh, delayed, or unpredictable gear shifts.
- âś” The vehicle enters “limp mode,” often stuck in 2nd or 3rd gear.
- âś” Check Engine Light or Transmission Warning Light is illuminated.
- âś” Diagnostic Trouble Codes (DTCs) are present, such as P0700, P0750, or other solenoid-related faults.
- âś” Failure to upshift or downshift properly.
- âś” A noticeable decrease in fuel efficiency.
- âś” Complete loss of communication with the transmission module.
A Straightforward Guide to Installation
One of the best parts about this module is its simple, plug-and-play design. You don’t need to be a master mechanic to get this job done. For the Chevrolet Colorado and GMC Canyon, the TCM is located in the engine compartment on the right-hand (passenger) side, towards the rear. The entire process should take less than 30 minutes.
- Step 1: Safety First Disconnect the negative terminal from your vehicle’s battery to prevent any electrical shorts and to help reset the system.
- Step 2: Locate the TCM Find the module on the RH rear side of the engine bay. It will have several electrical connectors attached.
- Step 3: Disconnect and Remove Carefully unclip the wiring harnesses from the old module. Then, unbolt the module from its mounting bracket.
- Step 4: Install the New Module Bolt the new, pre-programmed TCM into place and securely reconnect the wiring harnesses. Ensure they click into place.
- Step 5: Reconnect and Verify Reconnect the battery terminal. Start the vehicle and let it idle for a few minutes. Use a basic scan tool to clear any stored fault codes from the ECU. Your installation is complete!
Verified Vehicle Compatibility
This T42 series Transmission Control Module is a direct fit for the specified models. While this listing is focused on the 2008-2012 Colorado TCM, this part is also interchangeable with a wide array of other GM vehicles. Please verify your part number (24230461) or contact us with your VIN to ensure perfect fitment.
- Chevrolet Colorado (2008-2012) – Transmission; (RH rear engine compartment)
- GMC Canyon (2008-2012) – Transmission; (RH rear engine compartment)
- Hummer H3 (2008-2010) – Transmission; (RH rear engine compartment)
- Also fits many other GM cars, trucks, and SUVs from 2006-2014. See the full fitment list or contact us for details.
Frequently Asked Questions
Do I need to take my truck to the dealership for programming?
No. This module comes pre-programmed to your vehicle’s VIN. It is a true plug-and-play solution, saving you time and money. Simply provide your VIN at checkout.
Is this a reliable, long-term fix?
Absolutely. This module is built to meet or exceed OEM specifications and is tested to ensure reliability and performance. It’s backed by a one-year warranty for your peace of mind.
What if I have a different part number on my old module?
This part (24230461) is a service replacement for many other GM part numbers, including 24252114, 24234503, and others. As long as your vehicle is on the compatibility list, this module will function correctly.
Will this fix a P0700 trouble code?
A P0700 code is a general fault request from the TCM to the main computer. In many cases where the TCM itself is the source of the problem, replacing it will resolve the P0700 code and any other related transmission codes.
Is there a core charge?
No, there is no core charge. You can keep your old part, so there’s no need to worry about return shipping or waiting for a refund.