Description:

This error code indicates that the transmission oil temperature has dropped below -5 °C (23 °F). Such low temperatures can affect the viscosity and performance of the transmission oil, potentially leading to improper lubrication and increased wear on transmission components.

Reaction:

When this code is triggered, the control software limits the engine speed to 1500 rpm to protect the transmission from damage due to low oil temperature.

Recommendations:

• Warm-Up Procedure:
  • Allow the engine to warm up gradually before operating under load.
  • Use a pre-heater if available to bring the oil temperature up to an acceptable level.
• Check Transmission Oil:
  • Ensure that the transmission oil is of the correct specification for low-temperature operation.
  • Consider using a transmission oil with better low-temperature performance if frequent operation in cold environments is necessary.
• Insulate Transmission:
  • Use thermal insulation or a transmission heater to maintain oil temperature during extremely cold conditions.
• Monitor Temperature Sensors:
  • Verify the accuracy of the transmission oil temperature sensor.
  • Replace the sensor if it is found to be faulty.

Note:

Regularly monitor the transmission oil temperature, especially in cold climates, to prevent recurring issues. Ensuring the correct oil type and proper warm-up procedures can significantly extend transmission life.