2017-2025 GM HD 6.6L E41-L5P HPT 6-Position Diesel Switch (HPTH-M04-00)

This diesel switch is a rotary control interface designed to work with HP Tuners Switch on the Fly operating systems, allowing the user to change between multiple calibration files from inside the vehicle. The switch provides a physical method to select the active tune without reflashing, making it suitable for vehicles configured with multiple custom diesel calibrations.

Features

• Rotary selector switch for on demand calibration changes
• Designed for use with HP Tuners Switch on the Fly operating system
• Supports switching between stock calibration and multiple custom tunes
• Includes a pass through OBDII cable for integration with existing connections
• Compact switch design suitable for in cabin mounting

Notes

• Requires compatible HP Tuners hardware and software
• Calibration switching functionality depends on vehicle and operating system support