Order Status & Returns
Gift Cards
Help Center
1-800-345-4545
Vehicle Info NeededTCIPART NUMBER: 890-302611
Wireless EZ-TCU Transmission Controller Upgrade for GM 4L60E/4L65E/4L70E/4L80E/4L85E, 4X and 6X Transmissions
$25495
3 left in stock
Ships on Sep 14, 2026
Lowest Price GuaranteeEZ-TCU Transmission Controller Upgrade
Wireless EZ-TCU Transmission Controller UpgradeGM 4L60E/4L65E/4L70E/4L80E/4L85E, 4X and 6X Transmissions Transmission Tuning through Bluetooth Communication
Features:
- For GM 4L60E/4L65E/4L70E/4L80E/4L85E and TCI 4X and 6X transmissions
- Allows Bluetooth communication between the EZ-TCU and an iOS or Android device - no laptop needed
- Control shift points, firmness, and aggressiveness
- Data-logging and self-diagnostics optimize intuitive tuning
- Anti-theft allows for remote disabling of the vehicle
Note: EZ-TCU transmission controller NOT included
App Links:
Part TypeAutomatic Transmission Control Module
BrandTCI
Package Height2.3
Package Width9.4
Package Length11.8
Weight0.7 PG
Part CategoryPerformance Parts
Vendor Part Number302611
Package Qty1
Package TypeEA
No Questions
No Reviews
Some parts are not legal for use in California or other states with similar laws / regulations
