Massey Ferguson 06.X.E2 – HITCH, TRANS1, or TRANS2: Issue With PTO Speed Too Fast In ECO (Hitch)

In ECO mode, the PTO is geared to achieve its target speed at a much lower engine RPM to save fuel. This code triggers when the system detects that the PTO speed is exceeding safe operational limits for ECO mode, which is usually caused by the engine being revved too high by the operator, a malfunctioning PTO speed sensor giving erratic readings, or a voltage/power supply issue at the PTO engagement solenoid.

• 4710
• 7724S
• 5712SL
• 7722S
• 7722
• 5713SL
• 7720S
• 7716
• 7718
• T4
• 7715
• 5710SL
• 7726
• 4708
• 7726S
• 4707
• 4709
• 5711SL
• 7718S
• 7719
• 7714
• 7716S
• T4 (2015-2021)
• 7720
• Tier 4 (2015-2021)
• 7715S
• 7724

1. 1

   Verify Operator Usage: Confirm that the operator is not simply over-revving the engine while the PTO is engaged in ECO mode.

2. 2

   Live Data Monitoring: Connect a compatible agricultural diagnostic tool to monitor the live data from the PTO Speed Sensor and compare against engine RPM.

3. 3

   Inspect the PTO Speed Sensor: Check the sensor and its wiring harness at the rear transmission/PTO housing for physical damage, corrosion, or loose connections.

4. 4

   Test the PTO On/Off Solenoid: If the tractor has a Dyna VT transmission, check the power supply circuit to the Rear PTO On/Off Solenoid for proper voltage and ensure there are no shorts to ground.

1. 1

   Address Operator Error

   If diagnostics show the sensor is reading accurately but the engine speed was simply too high, clear the code and instruct the operator on proper ECO PTO engine speed limits.

2. 2

   Replace the PTO Speed Sensor

   Locate the PTO speed sensor on the rear PTO housing, disconnect the electrical connector, unscrew the sensor from the housing, install the new sensor, torque to OEM specifications, and reconnect the harness.

3. 3

   Repair Solenoid Wiring / Replace Solenoid

   If the power supply to the PTO On/Off solenoid is compromised, trace the wiring harness back to the transmission controller and repair any chafed or broken wires. If the solenoid coil itself has failed, relieve hydraulic pressure, remove the retaining nut/clip, slide the old solenoid coil off the valve stem, and install a new one.

4. 4

   Clear Codes and Test

   Use your diagnostic tool to clear the 06.X.E2 code. Run the tractor, engage the PTO in ECO mode at the correct RPM, and verify the code does not return.