Massey Ferguson 06.02.E6 – TRANS1: Issue With Values Received From Rear PTO Speed Sensors Dyna VT (TRANS1)

The transmission controller is receiving erratic, missing, or out-of-range signals from the rear Power Take-Off (PTO) speed sensor, preventing the tractor from accurately monitoring or controlling the PTO speed.

• 7714
• 7715
• 7715S
• 7716
• 7716S
• 7718
• 7718S
• 7719
• 7720
• 7720S
• 7722
• 7722S
• 7724
• 7724S
• 7726
• 7726S
• Tier 4 (2015-2021)
• 7700 Series
• 7700S Series
• 6600 Series
• 6700S Series
• 7400 Series
• 7600 Series
• 8400 Series
• 8600 Series
• 8700S Series

1. 1

   Inspect the sensor's wiring harness and connector for moisture, corrosion, or physical damage.

2. 2

   Verify the air gap between the sensor and the internal tone wheel is set correctly.

3. 3

   Remove the sensor and inspect the tone wheel inside the housing, cleaning off any metallic debris or sludge.

4. 4

   Perform a live data test by cycling the PTO at different speeds and monitoring the tractor's display for erratic or zero RPM readings.

1. 1

   Locate the Sensor

   Find the rear PTO speed sensor, which is threaded into the transmission housing near the rear PTO output shaft.

2. 2

   Disconnect

   Unplug the electrical connector from the tractor's wiring harness.

3. 3

   Remove

   Unthread the faulty sensor from its mounting port.

4. 4

   Prep

   Clean the mounting port threads and ensure no debris falls into the transmission housing.

5. 5

   Install

   Thread the new sensor into the mount. Ensure the air gap is set to the exact specification required for the Dyna VT transmission to ensure accurate speed readings.

6. 6

   Reconnect

   Plug the wiring harness back into the new sensor.

7. 7

   Verify

   Start the tractor, engage the PTO, and cycle it through different speeds to verify that the display shows steady, accurate RPM readings and the 06.02.E6 code clears.