New Unlocked GM T87A TCM for 2017 and newer GM 8 and 10-Speed transmissions.

  • This release provides the first and only 10-Speed transmission tuning solution for 2017 GM Vehicles.
  • The T87A TCM for the GM 10-speed needs to be individually licensed for 4 GM credits for tuning.
  • ALL T87A TCMs need to be unlocked via the GM Unlock service before they can be tuned. 
  • Must Specify TCM service number and VIN for proper TCM

New Unlocked T87A TCM

  • Domestic Shipping - $15

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