GM Duramax L5P – Unlocked TCM (2017-2023)



GM Duramax L5P – Unlocked TCM (2017-2023)



For off-road use only

Image is for demonstration purposes only. Actual device may vary in color and branding

Unlock Superior Performance: GM Unlocked T87A & T93 TCMs

Enter a new realm of transmission performance with our range of New Unlocked T87A & T93 TCMs, tailored exclusively for your 2017-2023 L5P GM vehicle. Designed specifically for 10-Speed and 8-Speed transmissions, these TCMs stand as a testament to peak automotive performance and customization.

Make Your Choice:

Truck Year:

Select the model year of your truck to ensure compatibility. Options available: 2017-2019 and 2020-2023

Your Direct Link to Enhanced Driving:

Our new GM T87A TCMs come unlocked and are primed for immediate tuning. Once you install your new TCM, it seamlessly integrates with your MPVI / MPVI2 and VCM Suite, offering you unparalleled control and optimization options.

Purchase & Installation Guide:

  • Identify your Serv# on the top of your TCM.
  • Select the corresponding Serv# from the available options.
  • Provide your VIN during the purchase process.
  • Upon receipt, strictly adhere to the Instructions for optimal performance.

Understanding the TCM Variants for L5P GM Duramax Pickup Trucks:

For owners of L5P GM Duramax Pickup Trucks, it’s crucial to comprehend the distinct TCM variants available. Based on your model year, you must select the apt variant to guarantee top-tier performance and compatibility. The following table elucidates the differences:

TCM Variant Years Supported Key Features
T87A TCM 2017-2019 Optimized for both 8 and 10-Speed transmissions. Comes unlocked and tuning-ready.
T93 TCM 2019-2023 The modern successor to the T87A; Unlocked with a primary focus on diesel vehicles. Special programming options available for gasoline vehicles.



Select the model year of your truck to ensure compatibility

2017-2019, 2020-2023