Restore Flawless Shifting to Your GM Truck or Camaro
Are you battling frustrating transmission issues in your late-model GM vehicle? Dealing with erratic shifting, delayed gear engagement, or a persistent check engine light can turn any drive into a stressful experience. As a technician with over two decades of experience, I’ve seen firsthand how a failing Transmission Control Module (TCM) can sideline even the most dependable trucks and performance cars. This isn’t just an inconvenience; it’s a critical component failure that compromises your vehicle’s performance and safety. You need a reliable, direct-fit solution that works right out of the box.
This genuine GM Transmission Control Module, part number 24289415, is the definitive answer. We take the guesswork and hassle out of the repair by pre-programming the module to your vehicle’s specific VIN before it ships. This means it arrives loaded with the latest factory software updates from GM, ensuring optimal communication between your engine and transmission. You get a plug-and-play component that restores the crisp, predictable shifting you expect from your vehicle, without the costly trip to the dealership for programming.
From the Diagnostic Bay: A Common Sierra Story
Just last month, a 2020 Sierra 2500 was towed into my shop. The owner was frustrated—the truck would intermittently refuse to shift out of 3rd gear, and the “Service Transmission” light would flash. A quick scan pulled code U0100 (Lost Communication With ECM/PCM) and P0757 (Shift Solenoid ‘B’ Stuck On). While the solenoid code pointed one way, my experience screamed communication failure. We inspected the wiring and found no issues. The root cause? An internally failing GM 24289415 TCM. After installing one of our VIN-programmed modules, the codes cleared, and the truck shifted perfectly on the test drive. This pre-programmed solution saved the customer hundreds in diagnostic and programming fees at the dealer.
Is Your Vehicle Showing These Symptoms?
A faulty TCM can manifest in several ways. If you’re noticing any of the following, it’s a strong indicator that your module needs attention:
- âś” Harsh, jerky, or delayed shifting between gears.
- âś” The vehicle feels like it’s stuck in one gear (limp mode).
- âś” Inaccurate gear display on the instrument cluster.
- âś” Check Engine Light or “Service Transmission” warning is illuminated.
- âś” Common Diagnostic Trouble Codes (DTCs) stored, such as U0100, P0606, or other P07xx transmission codes.
- âś” A noticeable decrease in fuel economy due to inefficient shifting.
A Straightforward Guide to Installation
Replacing your GM 24289415 TCM is a manageable job for a confident DIYer or any professional technician. The module is typically located on the driver’s side (LH) core support or frame rail. Always consult a service manual for your specific model’s exact location and torque specs.
- Safety First: Disconnect the negative terminal from your vehicle’s battery and wait a few minutes for the system to fully discharge.
- Locate the TCM: On most Silverado and Sierra models, it’s mounted to the left-hand (driver’s side) core support, near the radiator. On the Camaro, it’s found on the LH frame rail under the hood.
- Disconnect Connectors: Carefully release the locking tabs and unplug the electrical connectors from the old module. Inspect them for any corrosion or damage.
- Remove the Old Module: Unbolt the old TCM from its mounting bracket. Keep the hardware as you will reuse it for the new module.
- Install the New Module: Mount your new, pre-programmed TCM onto the bracket and secure it with the original hardware.
- Reconnect and Secure: Plug the electrical connectors firmly into the new module until they click into place. Reconnect the negative battery terminal.
- Final Check: Start the vehicle and check for any warning lights. Take it for a test drive to confirm that shifting has returned to normal. No further programming is required!
Verified Vehicle Compatibility
This module is a direct replacement for part number 24289415 and is also compatible with service numbers 24042698, 24043411, 24043413, and 24296206. It is guaranteed to fit the following GM vehicles:
- Chevrolet Camaro: 2022-2023
- Chevrolet Silverado 1500 Pickup: 2019 (New Body Style), 2020
- Chevrolet Silverado 2500/3500 Pickup: 2020-2021
- GMC Sierra 1500 Pickup: 2019 (New Body Style), 2020
- GMC Sierra 2500/3500 Pickup: 2020-2022
- GMC Sierra Denali 1500: 2019-2020
- GMC Sierra Denali 2500/3500: 2020-2022
Frequently Asked Questions
Frequently Asked Questions
Do I need to do any programming after I receive this part?
No. We program the module to your specific VIN before we ship it. It arrives ready for installation with the latest GM software, so it’s a true plug-and-play solution.
What information do you need from me?
After you complete your purchase, you must provide us with your vehicle’s 17-digit VIN. We cannot ship your order until we have this information to program the module correctly.
Will this fix my specific transmission problem?
This GM 24289415 TCM is the correct fix for issues caused by a failed module, including many communication codes and erratic shifting symptoms. However, you should always perform a proper diagnosis to rule out wiring or mechanical transmission problems.
Is this a genuine GM part?
Yes, this is a genuine GM part, ensuring perfect fitment and reliable, long-term performance for your vehicle.
Where is the TCM located on my 2020 Silverado?
On most 2019-2022 Silverado and Sierra trucks, the Transmission Control Module is located on the driver’s side (LH) of the vehicle, mounted to the radiator core support.