2013-2014 F250-F450 6R140 Transmission Tuning (EZLYNK)

Standalone 6R140 TorqShift transmission calibration for the 2013–2014 Ford F-250 through F-450 6.7L Power Stroke. Pairs with the matching engine tune or stands alone to firm up factory-soft shifts and raise line pressure before additional power is added.

What's included

• Custom TCM calibration for line pressure, torque converter lockup strategy, and gear shift scheduling
• Revised shift firmness and timing for performance and heavy towing
• EZLynk datalogging support for transmission health monitoring

How it works

Files are delivered over-the-air to your EZLynk AutoAgent 3. The device flashes both ECM and TCM via OBD-II — no bench work required. An EZLynk AutoAgent 3 device is required.

Support tiers

• Limited — 4 Weeks: Four-week revision window; tune remains on the device permanently after expiry.
• Full — Lifetime: Unlimited revisions with no expiration date.

For off-road and motorsport use only. Not intended for use on public roads or emissions-controlled vehicles.