Massey Ferguson 04.X.9D – TRANS2: Transmission Input Shaft Speed Sensor Calibration Fault
Issue description
The tractor's electronic transmission relies on accurate speed data from this input shaft sensor to manage smooth shifting and precision controls. A calibration fault means the sensor's signal is not aligning correctly with the expected parameters or the tone ring.
Applies to these machines
78 machines- 7724S
- 5712SL
- 7722
- 7722S
- 5713SL
- 7720S
- 7716
- 7718
- T4
- 7715
- 5710SL
- 7726
- 7726S
- 5711SL
- 7718S
- 7719
- 7714
- 7716S
- 7720
- Tier 4 (2015-2021)
- 7715S
- 7724
- 5425
- 5435
- 5445
- 5455
- 5460
- 5465
- 5470
- 5475
- 5480
- 5608
- 5609
- 5610
- 5611
- 5612
- 5613
- 6445
- 6455
- 6460
- 6465
- 6470
- 6475
- 6480
- 6485
- 6490
- 6495
- 6497
- 6499
- 6612
- 6613
- 6614
- 6615
- 6616
- 6712 S
- 6713 S
- 6714 S
- 6715 S
- 6716 S
- 6718 S
- 7614
- 7615
- 7616
- 7618
- 7619
- 7620
- 7622
- 7624
- 7626
- 8170
- 8180
- 8210
- 8220
- 8240
- 8250
- 8260
- 8270
- 8280
Check the cause
Inspect Wiring and Connections: Check the wiring harness leading to the sensor for breaks, chafing, or loose connections.
Check the Tone Ring: The sensor must read off a tone ring. Inspect the tone ring for damage or debris.
Check Sensor Gap: The sensor must be positioned correctly relative to the tone ring to provide accurate readings. An improper gap can trigger a calibration or erratic signal fault.
Repair steps
Disconnect Power
Always disconnect the tractor's battery before starting electrical work.
Locate the Sensor
The transmission input shaft speed sensor is typically located near the PTO shaft. Note that access in this area can be tight, so ensure you have the appropriate tools.
Clean the Area
Thoroughly clean the mounting area around the old sensor before removal to prevent dirt and debris from falling into the transmission housing.
Remove and Replace
Remove the faulty sensor and install the new direct-replacement sensor. No modifications should be needed.
Set the Gap
Ensure the new sensor is positioned correctly relative to the tone ring.
Test
Reconnect the battery. If readings are erratic after installation, re-check the sensor gap and the condition of the tone ring.
Clear Codes
Use a specialized diagnostic tool to clear the 04.X.9D DTC from the TRANS2 module.
Parts you might need
(3)Transmission Input Shaft Speed Sensor
4359947M1Features weather-resistant construction with sealed electronics designed to handle dust, moisture, and vibration. It is a direct replacement design.
Transmission Input Shaft Speed Sensor
3790881M1Features weather-resistant construction with sealed electronics designed to handle dust, moisture, and vibration. It is a direct replacement design.
Transmission Input Shaft Speed Sensor
B37162Features weather-resistant construction with sealed electronics designed to handle dust, moisture, and vibration. It is a direct replacement design.
Get help to fix this fault by requesting a quote
