Massey Ferguson 0.1.41 – Dash (Instrument Panel): Tractor Forward Speed Is Too Fast

This condition occurs when the controller receives a speed signal that exceeds the maximum plausible threshold or expected working range. This is typically caused by a malfunctioning transmission/forward speed sensor sending erratic signals, a short circuit in the sensor wiring, or incorrect sensor gap/calibration.

• 5710SL
• 5711SL
• 5712SL
• 5713SL
• T4
• 7714
• 7715
• 7715S
• 7716
• 7716S
• 7718
• 7718S
• 7719
• 7720
• 7720S
• 7722
• 7722S
• 7724
• 7724S
• 7726
• 7726S

1. 1

   Connect the tractor to Wintest software to perform diagnostic tests and monitor live data from the forward speed sensor to confirm erratic or implausible readings.

2. 2

   Check the speed sensor wiring harness for rub points, open circuits, or shorts to ground/power.

3. 3

   Inspect the sensor connector for moisture, dirt, or corrosion.

4. 4

   Check the sensor's mounting area on the transmission housing to ensure the sensor gap is correct and that the magnetic pickup is free of metallic shavings or debris.

1. 1

   Preparation

   Park the tractor on a level surface, turn off the engine, and engage the parking brake.

2. 2

   Locate the Sensor

   Locate the forward/transmission speed sensor on the transmission housing.

3. 3

   Removal

   Disconnect the electrical connector from the sensor. Remove the retaining bolt and carefully pull the sensor out of the housing.

4. 4

   Clean and Inspect

   Clean the mounting port to ensure no dirt falls into the transmission.

5. 5

   Installation

   Install the new OEM speed sensor. Ensure it is seated correctly to maintain the proper working range/gap. Secure the retaining bolt and reconnect the wiring harness.

6. 6

   Clear Codes

   Reconnect the Wintest diagnostic tool and clear the 0.1.41 fault code from the Dash controller.

7. 7

   Test Drive

   Operate the tractor while monitoring the dash speedometer and live diagnostic data to confirm the forward speed is reading accurately and the code does not return.