TCU 2.0 Transmission Controller for GM 4L70E

The TCI® TCU 2.0 Transmission Controller for GM 4L70E features:

• Fully programmable with T-Com™ 2.0 laptop software
• Create and switch between two different shift modes - daily driving and performance
• Make infinite adjustments to shift point and line pressure for maximum performance 
• LED diagnostics
• Data-logging functions
• CAN/BUS capability to share data with other systems
• Twelve outputs allow for precise, closed loop current control and programming of non-transmission control functions
• Paddle/button shifter compatible