HP Tuners MPVI4 vehicle interface

The MPVI4 connects directly to your vehicle’s OBD-II port, allowing you to read, modify, and write ECU and TCM calibrations with precision. Whether you're optimizing drivability on a street build, dialing in a boosted setup, or refining a race calibration, the MPVI4 provides the hardware foundation for complete tuning control.

Built for speed and reliability, the MPVI4 supports high-resolution data logging, allowing you to capture critical engine and transmission parameters in real time. This ensures accurate diagnostics, safer tuning adjustments, and repeatable performance results.

Paired with the powerful VCM Suite software, the MPVI4 transforms your laptop into a full-featured calibration workstation, capable of handling everything from simple bolt-on adjustments to advanced custom builds.

For tuners who demand flexibility, compatibility, and professional-level access, the MPVI4 remains a trusted industry solution.

Key Features

Full ECU & TCM Access
Read and write calibration data for supported engine and transmission controllers, enabling precise control over fueling, timing, torque management, shift behavior, and more.

High-Speed Data Logging
Capture and analyze real-time vehicle data to validate changes, diagnose issues, and optimize performance safely.

Broad Vehicle Compatibility
Supports a wide range of GM, Ford, Dodge, and additional platforms, making it a versatile tool for multi-brand shops and performance enthusiasts.

Compact & Durable Interface
Designed for consistent shop or field use with stable connectivity and fast communication speeds.

Software

VCM Suite (VCM Editor + VCM Scanner)
Professional tuning and diagnostics software that allows you to:

• Modify calibration tables

• Monitor and log live vehicle data

• Manage multiple vehicle files

• Apply and validate performance adjustments

*Licensing credits are required per vehicle and are sold separately.

Supported Vehicles

See the supported vehicles list here:

https://www.hptuners.com/vehicles/

What’s Included

• 1 HP Tuners MPVI4 Interface
  

• 1 USB Cable

• Setup Instructions