Restore Your Vehicle’s Shifting Performance and Reliability
Is your Silverado, Sierra, or Camaro suffering from erratic shifting, getting stuck in gear, or displaying a ‘Service Transmission’ warning? These are classic signs of a failing Transmission Control Module (TCM). As a technician with over two decades of experience under the hood, I’ve seen firsthand how a faulty TCM can turn a reliable vehicle into a source of constant frustration. This isn’t just an inconvenience; it’s a critical component failure that compromises drivability and safety. Don’t let a bad module dictate your vehicle’s performance. This direct-fit GM Transmission Control Module is the definitive solution, arriving pre-programmed specifically for your vehicle’s VIN.
The biggest hurdle in replacing a modern TCM is the mandatory programming, which typically requires an expensive trip to the dealership and hours of your time. We eliminate that step entirely. By providing us with your Vehicle Identification Number (VIN) during checkout, you receive a module loaded with the latest factory software from GM. This means it’s ready for installation right out of the box, transforming a complex, costly repair into a straightforward, manageable job for a professional technician or a skilled DIYer. You’re not just buying a part; you’re buying a complete, hassle-free solution that gets you back on the road with confidence.
Case Study: A Tricky Diagnosis
I remember a 2020 Sierra 2500 that came into the shop with a complaint of intermittent, harsh 2-3 upshifts and occasional failure to shift out of first gear from a stop. The driver had no check engine light, but the symptoms were undeniable. A deep scan revealed a stored communication fault, U0101 (Lost Communication With TCM), that wasn’t currently active. After verifying the wiring harness and connectors were pristine, we suspected an internal TCM failure. Instead of a costly diagnostic path at the dealer, the owner opted for one of our pre-programmed modules. The swap took less than 30 minutes, and the truck immediately shifted like new. It’s a perfect example of how this GM Transmission Control Module can solve elusive issues without the dealership price tag.
Common Signs of a Failing TCM
- ✔ Erratic, delayed, or harsh gear shifting
- ✔ Vehicle gets stuck in one gear (often called ‘limp mode’)
- ✔ Check Engine Light or ‘Service Transmission’ warning on the dashboard
- ✔ Inaccurate gear indicator display
- ✔ Diagnostic Trouble Codes (DTCs) such as P0700, P0751, or U0101
- ✔ Poor fuel economy due to inefficient shifting
A Straightforward Guide to Installation
- ✔ Safety First: Always disconnect the negative terminal from your vehicle’s battery before starting any electrical work.
- ✔ Locate the TCM: On most compatible Sierra and Silverado models, the TCM is found on the LH (driver’s side) core support in the engine bay. On the Camaro, it’s located on the LH frame rail, under the hood.
- ✔ Disconnect and Remove: Carefully unplug the electrical connectors. Be gentle with the locking tabs. Then, unbolt the module from its mounting bracket.
- ✔ Install the New Module: Mount your new, pre-programmed TCM in place and tighten the bolts. Reconnect the electrical connectors, ensuring they click securely into place.
- ✔ Final Step: Reconnect the negative battery terminal. Start the vehicle and allow it to idle for a few minutes. A short test drive with varied acceleration will confirm the repair is complete. No further programming is needed.
Verified Vehicle Compatibility
This module is a guaranteed fit for the following GM vehicles. It is a direct replacement for service numbers 24042698, 24043411, 24043413, 24289415, and 24296206. Please ensure your vehicle is on this list before ordering.
- Chevrolet Camaro: 2022-2023
- Chevrolet Silverado 1500: 2019-2020
- Chevrolet Silverado 2500/3500: 2020-2021
- GMC Sierra 1500: 2019-2020
- GMC Sierra 2500/3500: 2020-2022
- GMC Sierra Denali 1500: 2019-2020
- GMC Sierra Denali 2500/3500: 2020-2022
Frequently Asked Questions
Is this part ready to install out of the box?
Yes! This is the key benefit. We program the module to your vehicle’s specific VIN before shipping. This means no additional programming or dealer visits are required for installation.
Where do I find my vehicle’s VIN?
Your 17-digit Vehicle Identification Number (VIN) can be found on your vehicle’s registration, insurance card, or on a placard on the driver’s side dashboard visible through the windshield.
Will this fix my harsh shifting problem?
If the harsh shifting is caused by a faulty TCM, this part is the direct solution. A failing TCM is one of the most common causes of erratic shifting, gear hunting, and limp mode in these vehicles.
My original part has a different service number. Will this work?
Yes. This module is a compatible replacement for several service numbers, including 24042698, 24043411, 24043413, and 24289415. As long as your vehicle model and year are on our fitment list, this part is correct for you.
Do I need any special tools for this job?
No special tools are required. Basic hand tools, such as a socket set to remove the mounting bolts and a wrench for the battery terminal, are all you should need for the physical installation.