Description:

This error code is triggered when the hydro ring gear speed is incorrect at start-up. If PTI 523917.17 is also stored or active, then the input shaft from the engine is not running.

Reaction:

The control unit commands the equipment to enter Park mode, which is recoverable.

Recommendations:

• Check Hydro Ring Gear Speed:
  • Verify that the hydro ring gear speed is within the expected range at start-up.
• Inspect Input Shaft:
  • If PTI 523917.17 is present, check the input shaft from the engine to ensure it is running correctly.
• Test Speed Sensors:
  • Ensure the speed sensors for the hydro ring gear are accurate and functioning correctly.
  • Replace any faulty sensors.
• Evaluate Start-Up Procedures:
  • Verify that the start-up procedures are being followed correctly to ensure proper operation of the hydro ring unit.

Note:

Proper start-up procedures and accurate speed sensor readings are essential to prevent issues with the hydro ring unit and ensure smooth operation.