DIESELR EZ Lynk Transmission Tune File (2023–2025 6.7L Ford Powerstroke)

Important Note: This won't pair up with a 2026 Model.

If your 2023–2025 Powerstroke is tuned but still running stock transmission logic, you’re leaving drivability and performance on the table. The DIESELR EZ Lynk Transmission Tune File brings the 10-speed to life—refining shift timing, torque management, and throttle response for the way these trucks are truly meant to drive.

This calibration is built specifically for the 2023–2025 6.7L Powerstroke with the factory 10-speed transmission. No aftermarket TCM is required—it works directly with your stock unit. Paired with DIESELR engine tuning, it delivers crisp gear changes, stronger torque transfer, and dependable drivability whether you’re towing, hauling, or running empty.

Key Features

• Works on Stock Transmission – No TCM unlock or swap required.

• Refined Shift Timing – Eliminates factory hesitation and excessive gear hunting.

• Optimized Torque Management – Puts more usable torque to the ground with better throttle response.

• Improved Towing Control – Keeps gears where they belong under heavy load.

• Daily Drivability – Smooth, predictable shifts without sacrificing performance.

• Seamless Pairing – Designed to work hand-in-hand with DIESELR custom engine tunes.

This is the transmission calibration every 2023–2025 Powerstroke owner needs to match the gains from custom engine tuning. Better shifts, stronger pulls, and reliability you can trust—all on your stock transmission.

What You Get

• Transmission Tune File – Custom-calibrated for your truck. Refines shift firmness, reduces flare, and optimizes converter lockup for towing, throttle response, and daily driving.

Why Choose DIESELR TCM Files?

✔ Perfectly matched with DIESELR engine tuning
✔ Faster, crisper shifts under load and WOT
✔ Less gear hunting, more control when towing
✔ Stronger, safer torque delivery to the ground

Don’t let factory TCM mapping keep your L5P from its best performance. With DIESELR, every shift counts.