Get Your Truck Back to Work, Shifting Like New
When your Sierra 3500 is your livelihood, you can’t afford transmission problems. Hesitation, harsh shifting, or a dreaded “Service Transmission” light on the dash means downtime and lost confidence, especially when you’re hauling a heavy load. This isn’t just an annoyance; it’s a critical failure that compromises your truck’s capability. Put an end to the guesswork and expensive trips to the dealership. This is the definitive, plug-and-play solution to restore the crisp, reliable performance your heavy-duty truck was built for.
Common Symptoms of a Failing TCM & Your Solution
If your truck is experiencing any of the following issues, a faulty transmission control module is the most likely culprit. This VIN-programmed unit is designed to be the complete fix for these exact problems, getting you back on the road quickly.
- Harsh or erratic shifting between gears
- Delayed engagement when shifting from Park to Drive or Reverse
- Transmission getting stuck in one gear (limp mode)
- “Service Transmission” warning light illuminated on your dashboard
- Diagnostic Trouble Codes (DTCs) related to transmission communication, such as U0101 (Lost Communication with TCM)
Our pre-programmed Sierra 3500 Transmission Control Module arrives ready for installation, flashed with the latest factory software specifically for your truck’s VIN. This eliminates the need for expensive programming tools or a visit to the dealer, saving you time and money.
Features & Tangible Benefits
- โ Plug-and-Play Installation: Arrives ready to install with the latest GM software matched to your vehicle’s VIN. No extra programming required.
- โ Restore Factory Performance: Get back the crisp, predictable shifting your truck had when it was new. Perfect for heavy towing and daily driving.
- โ Eliminate Annoying Warning Lights: A direct solution to clear transmission-related error codes and turn off the service light for good.
- โ Guaranteed Compatibility: This module is a direct replacement for service numbers 24042698, 24043411, 24043413, 24289415, and 24296206, ensuring a perfect fit for your vehicle.
- โ One-Year Replacement Warranty: This unit is backed by our one-year replacement warranty for your peace of mind.
An Expert’s Note on VIN Programming
In modern trucks like your Sierra, the Transmission Control Module is the brain of the operation. It’s not a simple one-size-fits-all part. Each TCM is tied directly to the specific software and options of the vehicle it came from. Simply swapping a used module from another truck will result in a no-start condition or severe performance issues. Our critical VIN-programming service solves this problem completely. We flash the module with your truck’s exact data before it leaves our facility, making the installation as simple as swapping the physical part. This is the secret to avoiding a tow to the dealership and their costly programming fees.
Don’t let a faulty TCM sideline your workhorse. This is the most reliable and efficient way to restore your transmission’s function and your confidence behind the wheel. By providing a fully programmed Sierra 3500 Transmission Control Module, we help you get the job done right the first time.
Frequently Asked Questions
Do I need to have this module programmed by a dealer?
No. The main benefit of our service is that this Transmission Control Module arrives at your door fully programmed to your vehicle’s specific VIN. It is ready for installation right out of the box, saving you from expensive dealer programming fees.
How do I provide my vehicle’s VIN?
After you complete your purchase, simply add your 17-digit VIN to the ‘notes’ section at checkout or reply to your order confirmation email with it. We cannot ship your part until we have your VIN to perform the programming.
Is this a brand new GM part?
This is a high-quality, fully tested replacement part that is guaranteed to perform to factory specifications. It is programmed with official GM software to ensure perfect operation with your vehicle.
Will this fix my truck’s harsh shifting?
If the shifting issues are caused by a faulty TCM, then yes, this part is the correct solution. Harsh shifting, delayed engagement, and getting stuck in gear are the most common symptoms of a failing Sierra 3500 Transmission Control Module.
Where is the TCM located on my truck?
On most 2020-2022 GM HD trucks like the Sierra and Silverado, the TCM is located under the hood on the driver’s side (LH) core support or frame rail. Always disconnect the battery before attempting installation.
My original part number isn’t 24289415. Will this work?
Yes, as long as your original service number is on our compatibility list (24042698, 24043411, 24043413, 24289415, 24296206). Manufacturers often update part numbers; this unit is the correct, updated replacement for all listed numbers.