Transmission Controller, EZ-TCU, Chevy, GMC

These TCI EZ-TCU automatic transmission controllers are fully configured right out of the box--no tuning is necessary. Simply install them with the included instructions and then start the system by answering the simple setup wizard questions on the included hand-held unit. They are capable of real-time switchable calibrations, which allows for multiple setups. The multiple shift modes include a full manual mode for using bump or paddle shifters. The TCI EZ-TCU automatic transmission controllers allow for maximum electronic control over shift points, shift firmness, and shift speed. Self-diagnostics allow users of every skill level to fully utilize their capabilities.