TCI EZ-TCU Wireless Bluetooth Phone App GM Overdrive Transmission Control Kit

Wireless module enables Bluetooth communication between the EZ-TCU and an app available for iOS and android phone or tablet devices - no laptop needed. User can control shift points, firmness and aggressiveness, along with torque converter Lock-Up and unlock speeds. Data logging and self-diagnostics optimize intuitive tuning. No need for laptop software, hand-held unit or cabling. Anti-theft feature allows for remote disabling of vehicle. Free Apple iOS or android app available without having to purchase the kit. Works with GM electronic 4-Speed overdrive transmissions 4L60E, 4L65E, 4L70E prior to 2009. Works on all 4L80E and 4L85E and TCI 6X transmissions.