Product Information & Technical Guide for 6R140

Guide Summary

Modifications to the Transmission Control Module (TCM) can corrupt the original calibrations, causing 2nd and 6th gear failure. This guide outlines the proper process to reset the TCM to factory settings.

Applies to: 6R140 Transmission Parts, 6R140 Transmissions, 6R140 Transmissions for 6.7L Powerstroke, Transmission Rebuild Kits for 6R140

Introduction
Purpose

Prevention of 2nd and 6th gear failure and overall protection of the transmission.

Problem Statement

Modifications to the TCM can corrupt the original factory calibrations.

Target Audience

Customers who purchase both over the phone and online and need guidance on the correct method to re‑calibrate a TCM.

Objectives
Goals

Consumer education on vehicle operation, increased product longevity, and a satisfactory experience with our transmission products.

Metrics

Longer‑lasting transmissions, both stock and remanufactured.

Process
Step 1 – Installing Module Build Data (As‑Built)

Visit Motorcraftservice.com:

  • Quick Guides
  • Module Build Data (As‑Built)
  • Enter VIN to obtain As‑Built data
  • Download the file
Step 2 – Upload VIN to IDS / FJDS

This procedure cannot be completed with Forscan. A Motorcraft subscription is required to transfer As‑Built data from Motorcraftservice.com to IDS / FJDS.

  • Connect to vehicle
  • Module Programming
  • As‑Built
  • TCM
  • Follow IDS / FJDS on‑screen instructions
Step 3 – Download Tunes

Install the ECM tune followed by the TCM tune using the recommended options.

  • EZ‑Lynk Downloader
  • AMDP Tuners
Step 4 – Transmission Re‑Characterization

Using Forscan, IDS, or FJDS, re‑characterize the TCM to complete the process.