Restore Peak Performance to Your GM Truck’s Transmission
When your Sierra Denali or Silverado HD starts showing signs of transmission trouble—like harsh shifting, hesitation, or a check engine light—it compromises the very dependability you rely on. A faulty Transmission Control Module (TCM) is often the culprit, disrupting communication and causing frustrating, unpredictable performance. This is not just an inconvenience; for a truck built to work, it’s a critical failure. Get your vehicle back to operating as the manufacturer intended with our professionally programmed GM 24289415 TCM, the definitive solution for restoring smooth, reliable shifting.
Common Symptoms & Your Solution
If you’re experiencing any of the following issues, a failing TCM is the likely cause:
- Erratic or delayed gear shifting
- Harsh engagement into Drive or Reverse
- The vehicle entering “limp mode” with reduced power
- Check Engine Light with transmission-related Diagnostic Trouble Codes (DTCs)
- Complete loss of communication with the transmission module
This unit is the direct, reliable fix. We take a genuine GM module and flash it with the latest, most stable software update from General Motors, specifically matched to your truck using its unique Vehicle Identification Number (VIN). This process ensures that once installed, your vehicle’s powertrain computer and transmission are in perfect sync, restoring the crisp, intelligent shifting you expect.
Features & Tangible Benefits
- ✔ Precision-Programmed to Your VIN: Your module arrives ready to install. There is no need for an expensive trip to the dealership for programming, saving you significant time and money.
- ✔ Loaded with the Latest GM Software: We ensure your TCM has the most current factory calibrations, addressing potential bugs from earlier versions and optimizing transmission performance and efficiency.
- ✔ Direct-Fit OEM Component: As a genuine GM part, it guarantees perfect compatibility with your vehicle’s wiring harness and mounting points, ensuring a straightforward installation.
- ✔ Restores Factory Shift Quality: Eliminates the guesswork and provides the performance and reliability engineered by GM, giving you confidence whether you’re towing a heavy load or just cruising on the highway.
- ✔ This unit is backed by our one-year replacement warranty.: Your purchase is protected, giving you complete peace of mind.
Expert Insight: The Critical Role of VIN-Specific Programming
Many sellers offer generic or used TCMs, but they fail to mention a critical detail: a modern transmission module is not a simple plug-and-play part. It must be programmed with software that matches your vehicle’s specific engine, axle ratio, tire size, and option set. Installing an unprogrammed or incorrectly programmed GM 24289415 TCM can lead to immediate shifting problems, new error codes, or even long-term damage to your transmission. Our VIN-matching service isn’t an add-on; it’s the core of what makes this a true solution. We ensure the brain of your transmission is a perfect match for the body of your truck.
Frequently Asked Questions
Do I need to program this module after I receive it?
No. The main benefit of our service is that the GM 24289415 TCM arrives at your door fully programmed to the VIN you provide. It is ready for installation right out of the box, eliminating the need for specialized scan tools or a visit to the dealership.
How do I provide my vehicle’s VIN?
After you complete your purchase, you will need to send us your 17-digit VIN. We cannot ship your order until we receive this information, as it is essential for the programming process. You can typically find your VIN on your vehicle’s dashboard (visible through the windshield) or on the driver’s side door jamb sticker.
Where is the TCM located on my 2020-2022 Sierra or Silverado?
On most of the listed Sierra and Silverado models, the Transmission Control Module is located on the driver’s side of the vehicle, mounted to the core support or the frame rail in the engine bay. Please verify the location on your specific vehicle before ordering.
Is this a new or used part?
This is a genuine OEM component that is inspected and programmed with the latest software for your vehicle. It is guaranteed to function to factory specifications.
Which service numbers does this part replace?
This module is the correct replacement for a range of service numbers, including 24042698, 24043411, 24043413, 24289415, and 24296206. If your original module has any of these numbers, this part is compatible.