DIESELR MPVi4 68RFE Transmission Tune File (2007.5-2009 Cummins 6.7L - 68RFE)

The Dieselr MPVI4 68RFE Transmission Tune File for 2007.5–2009 6.7L Cummins is a platform-specific TCM calibration developed to correct early 68RFE shift behavior and torque management under load. This file is validated for use with HP Tuners hardware and is designed to integrate cleanly with matched ECM tuning.

Compatible with HP Tuners MPVI4, MPVI3, and RTD4 interfaces. No ECM unlock is required for this model range.

Platform & Compatibility

Supported Hardware

• HP Tuners MPVI4
• HP Tuners MPVI3
• HP Tuners RTD4

Vehicle Fitment

• 2007.5–2009 Ram 2500/3500
• 6.7L Cummins
• 68RFE automatic transmission

This file is specific to 68RFE-equipped trucks. *Not compatible with AISIN-equipped trucks.

Calibration Strategy

• Recalibrated shift timing and clutch pressure mapping
• Torque management adjustments matched to engine output
• Improved shift consistency during towing and loaded driving
• Reduced gear hunting in part-throttle conditions

The objective is controlled, predictable transmission behavior without introducing harshness or unnecessary stress to internal components.

Delivery Method

• File delivered electronically after order processing
• Revision support as required based on vehicle configuration

Professional installation is recommended for customers unfamiliar with HP Tuners flashing procedures.

Compliance Notice

Customer is responsible for compliance with local regulations. Certain calibrations may be intended for off-road or competition use only.

Built to work the way it should.