DIESELR MPVI3 Transmission Tune File (2022–2024 Cummins 6.7L AISIN ONLY)

The DIESELR MPVI3 Transmission Tune File is built specifically for 2022–2024 Cummins 6.7L trucks with AISIN transmissions. This file ensures your transmission keeps pace with engine tuning, delivering sharper shifts, faster response, and consistent power transfer. Perfect for towing, daily driving, or trucks running bigger builds, this tune eliminates factory limitations that hold back drivability.

Compatibility

• 2022–2024 Cummins 6.7L with AISIN transmission only
• Please confirm your truck’s transmission type before purchase

Installation

• Flash directly using MPVI3 hardware/software
• Must be on latest beta version
• Requires OBD-II Splitter Unlock Cable (2018+ Cummins)

What’s Included

• AISIN Transmission Tune File

What You Need

• MPVI3 (latest beta)

• OBD-II Splitter Unlock Cable

Key Features

• Power Transfer That Counts: Works with your ECM tune so horsepower makes it to the ground where it belongs
• Refined Shifting: Adjusted shift points for smoother acceleration and stronger pull under load
• Faster Transmission Response: Quicker, more predictable gear changes in every condition
• Problem Fixes: Resolves the 1000 RPM lugging issue common in stock AISIN setups
• Towing Confidence: Holds gears and manages torque properly, even under heavy tow
• Built for Big Builds: Handles larger turbos, tires, and aggressive ECM tuning without hesitation

Why Choose DIESELR AISIN Transmission Tuning?

DIESELR tuning is engineered for real-world use — no gimmicks, no shortcuts. Whether you’re hauling, off-roading, or pushing serious power, this AISIN transmission tune is designed to deliver reliability and drivability.

Industry-Leading Support: Our tech team is the largest and most experienced in the industry. From install to fine-tuning, we stand behind every file.