Restore Peak Transmission Performance to Your GM Truck or SUV
Is your truck suffering from harsh, erratic shifting, getting stuck in gear, or displaying a ‘Service Transmission’ warning? These are classic signs of a failing Transmission Control Module (TCM). A faulty TCM can sideline your vehicle, disrupt your work schedule, and create immense frustration. This pre-programmed module is the definitive, hassle-free solution to get your vehicle back on the road, shifting smoothly and reliably, just as the factory intended.
Common Symptoms & Your Solution
Don’t let a bad module dictate your vehicle’s performance. If you’re experiencing any of the issues below, this VIN-programmed TCM is the fix you need. It directly addresses the root cause of many frustrating transmission problems, including:
- Abrupt or delayed gear changes
- Vehicle entering ‘Limp Mode’ with reduced power
- Illuminated Check Engine Light or Transmission Warning Light
- Diagnostic Trouble Codes (DTCs) related to transmission solenoids or communication errors (e.g., U0101)
- Complete loss of gear engagement
By replacing your old unit with this professionally programmed 2015-2016 Sierra 3500 TCM, you are installing a component that is ready to work seamlessly with your vehicle’s existing systems right out of the box.
Features & Benefits
- โ VIN-Specific Programming: We flash this module with the latest GM software using your vehicle’s unique VIN. This ensures perfect compatibility with your specific options and configuration, eliminating the need for an expensive trip to the dealer.
- โ Plug-and-Drive Installation: Because the programming is done before we ship, this module is ready for installation upon arrival. Simply install the part and perform any necessary relearn procedures.
- โ Restored Drivability: Experience smooth, precise, and predictable shifting. This module restores the crisp performance and reliability you depend on for towing, hauling, or daily driving.
- โ Cost-Effective Solution: Avoid the high costs and scheduling headaches associated with dealership programming and service. This is a direct, efficient path to resolving your transmission issues.
- โ Guaranteed Compatibility: This module is a direct replacement for part numbers 24276411 and 24272004, covering a wide range of GM trucks and SUVs.
- โ One-Year Replacement Warranty: This unit is backed by our one-year replacement warranty.
Expert Insight: The Critical Role of VIN Programming
From my 20 years of experience, I can’t stress this enough: a modern TCM is not a one-size-fits-all part. It’s the brain of your transmission, constantly communicating with the Engine Control Module (ECM), Body Control Module (BCM), and various sensors. Our VIN-matching process isn’t just a convenience; it’s essential. We ensure the module’s software accounts for your vehicle’s specific axle ratio, tire size, and powertrain options. Installing a non-programmed or incorrectly programmed 2015-2016 Sierra 3500 TCM will, at best, result in poor performance and, at worst, can prevent the vehicle from starting or cause damage. We handle this critical step for you, so you receive a part that works perfectly from the moment of installation.
Frequently Asked Questions
Do I need to program this module after I receive it?
No. This module arrives fully programmed to the VIN you provide during checkout. It is designed to be a plug-and-drive solution, though a standard transmission relearn procedure may be required after installation, which can often be done without special tools.
Where do I provide my vehicle’s VIN?
After you complete your purchase, you will need to send us your 17-digit Vehicle Identification Number (VIN). We cannot ship your order until we receive this information, as it is required for the programming service.
How do I know if my TCM is the problem?
Common signs include erratic shifting, warning lights on the dash, and specific diagnostic codes pointing to the TCM or transmission components. While this part solves many common issues, we always recommend a proper diagnosis by a qualified technician to confirm the TCM is the point of failure.
Is this a genuine GM part?
This is a high-quality replacement module that is programmed with official, up-to-date GM software to ensure OEM-level performance and communication with your vehicle. It is a direct replacement for the specified part numbers.
Will this fix my specific transmission problem?
This 2015-2016 Sierra 3500 TCM is the correct solution for failures within the module itself. It resolves issues caused by faulty internal electronics, software corruption, or communication failures originating from the TCM. It will not fix mechanical problems within the transmission, such as worn clutches or a bad valve body.
What is the warranty on this part?
This unit is backed by our one-year replacement warranty, giving you confidence in your purchase.