Massey Ferguson 04.X.FE – Transmission Module (TRANS): Issue With Transmission Module Calibrations Or Parameters (TRANS)

This code indicates that the transmission controller has either lost its calibration data, has corrupted internal parameters, or requires a re-calibration of the clutch and transmission components to function correctly.

• 4707
• 4708
• 4709
• 4710
• T4 (2015-2021)
• 5608-5613
• 5710SL-5713SL
• 6400 series
• 6700 S
• 7614-7626
• 7714-7726

1. 1

   Check for accompanying active transmission faults (e.g., speed sensor, pressure sensor, or clutch pedal sensor faults) which can block the calibration process.

2. 2

   Ensure the transmission fluid is warmed up to normal operating temperature, as cold hydraulic fluid can cause calibration procedures to fail.

3. 3

   Verify that the battery voltage and the power supply to the transmission module are stable, as voltage drops can cause the module's memory to lose parameters.

1. 1

   Preparation

   Start the tractor and ensure the transmission fluid is at operating temperature. Park on a flat, level surface.

2. 2

   Enter Calibration Mode

   Press and hold the up and down shift buttons simultaneously on the T-handle (or equivalent transmission control) for approximately 10 seconds.

3. 3

   Wait for Prompt

   Keep holding the buttons until the right-hand screen on the dash (the transmission gear screen) displays "Ct" (Calibration mode).

4. 4

   Initiate Calibration

   Once "Ct" is displayed, place the PowerShuttle arm into the forward position to begin the process.

5. 5

   Allow the Process to Run

   The screen will continuously show "Ct". The process takes approximately 10 minutes. Note: It is completely normal to hear the transmission shifting, clunking, and making noises during this time as it learns the clutch fill times.

6. 6

   Completion

   Once calibration is complete, the right-hand screen will display the transmission ratio you were in before starting (e.g., "1A/2A" or "1E/2E").

7. 7

   Save Settings

   To save the new calibration parameters, place the PowerShuttle into the neutral position, disengage the differential lock, idle the tractor down, and switch the engine off.

8. 8

   Validation

   Restart the tractor and test drive it. Perform a variety of maneuvers (forward to reverse, neutral to forward, etc.) to ensure the shifting is smooth and the fault code has cleared. If the calibration fails repeatedly or the code immediately returns, the Transmission Module itself may have an internal EEPROM/memory failure and will require replacement or dealer reprogramming.