Transmission Tuning – GM Platforms

GM Transmission Tuning Custom transmission tuning service for electronically controlled GM transmissions including 4L60E/80E, 6L80E/90E, and 8L90/10L80. Improve shift timing, shift scheduling, and drivability—whether stock or modified. What’s Included Shift point and firmness adjustments Torque converter lock/unlock control Datalog-based tuning support via email Requirements HP Tuners MPVI3 or RTD+ with applicable credits Vehicle in good mechanical condition Windows laptop with VCM Suite installed Supported Transmissions 4L60E / 4L65E / 4L80E 6L80E / 6L90E 8L90 / 10L80 Select your transmission type during checkout.