Massey Ferguson 13.00.18 – TRANS1: Brake System Pressure Not Dropped When Brake Applied Dyna VT (TRANS1)
Issue description
This indicates that the system expects to see a drop in brake system pressure when the brake pedal is engaged, but the sensor is not registering this change, pointing to a potential issue with the brake pressure sensor, the wiring, or the hydraulic braking circuit itself.
Applies to these machines
54 machines- 7714
- 7715
- 7715S
- 7716
- 7716S
- 7718
- 7718S
- 7719
- 7720
- 7720S
- 7722
- 7722S
- 7724
- 7724S
- 7726
- 7726S
- Tier 4 (2015-2021)
- 6614
- 6615
- 6616
- 6712 S
- 6713 S
- 6714 S
- 6715 S
- 6716 S
- 6718 S
- 7614
- 7615
- 7616
- 7618
- 7619
- 7620
- 7622
- 7624
- 7626
- 7714 S
- 7715 S
- 7716 S
- 7718 S
- 7719 S
- 7720 S
- 7722 S
- 7724 S
- 7726 S
- 8660
- 8670
- 8680
- 8690
- 8727 S
- 8730 S
- 8732 S
- 8735 S
- 8737 S
- 8740 S
Check the cause
Clear the fault codes from the TRANS1 module and test the equipment to see if the issue has been resolved or if the code returns immediately upon applying the brakes.
Monitor the equipment for any signs of recurring faults or abnormalities during operation.
Keep a record of the cleared fault codes and any actions taken, as clearing the code may only temporarily address the symptoms of an underlying hardware issue.
If the code persists, refer to the specific Massey Ferguson service manual for the tractor model or contact a qualified technician.
Repair steps
Locate sensor
Locate the Handbrake / Trailer Brake Pressure Sensor on the transmission/braking valve block.
Inspect wiring
Inspect the wiring harness and connector going to the sensor for any signs of damage, corrosion, or short circuits.
Replace sensor
If the wiring is intact and the code 13.00.18 cannot be cleared (or returns immediately upon braking), the pressure sensor itself is likely faulty and must be replaced.
Parts you might need
(5)Handbrake Pressure Sensor / Trailer Brake Pressure Sensor / Massey Ferguson Pressure Sensor
ACX2770930Handbrake Pressure Sensor / Trailer Brake Pressure Sensor / Massey Ferguson Pressure Sensor
4289997M1Handbrake Pressure Sensor / Trailer Brake Pressure Sensor / Massey Ferguson Pressure Sensor
G716970020055Often listed for Trailer Brake Pressure Sensor applications
Handbrake Pressure Sensor / Trailer Brake Pressure Sensor / Massey Ferguson Pressure Sensor
ACW1805880Handbrake Pressure Sensor / Trailer Brake Pressure Sensor / Massey Ferguson Pressure Sensor
V837070201
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