Description:

This diagnostic trouble code is generated when the PTA control software detects that the registered ratio between the transmission input speed and hydrostatic speed does not match the actual transmission output speed. This indicates a mechanical or hydraulic problem with the transmission.

Reaction:

The tractor cannot be moved or can only be moved in the come-home mode as long as this fault is active, indicating a critical issue with the transmission speed sensors.

Recommendations:

Inspect Transmission Speed Sensors:

• Verify that all transmission speed sensors are functioning correctly.
• Replace any faulty sensors.

Check Mechanical and Hydraulic Systems:

• Inspect the mechanical and hydraulic components of the transmission for any signs of wear, damage, or malfunction.
• Repair or replace any defective components.

Verify Sensor Alignment:

• Ensure that all speed sensors are properly aligned and calibrated.
• Recalibrate sensors if necessary.

Examine Wiring and Connectors:

• Inspect all wiring and connectors associated with the transmission speed sensors for signs of damage or disconnection.
• Repair or replace any damaged components to ensure proper electrical connections.

Consult Technical Support:

• If the issue persists, consult technical support or the manufacturer for further diagnosis and assistance.

Note:

Accurate transmission speed sensor readings are crucial for the proper operation of the vehicle. Regular maintenance and prompt attention to any discrepancies can help prevent significant operational disruptions.