New Holland 19803: Invalid Temperature Data in Urea Tank Considering Pump Unit Temperature

The system detects invalid temperature data in the urea tank, specifically when comparing it to the pump unit temperature. The CAN bus is receiving an excessive number of SAE J1939 messages, and the temperature sensor is directly connected, reporting a high value.

1. 1

   The temperature sensor in the urea tank

2. 2

   The connection between the temperature sensor and the system

3. 3

   The CAN bus communication for excessive SAE J1939 messages

1. 1

   Inspect the temperature sensor in the urea tank

   Check for physical damage, loose connections, or incorrect installation.

2. 2

   Verify the connection of the temperature sensor

   Ensure the sensor is properly connected and not experiencing electrical interference.

3. 3

   Check the CAN bus for excessive SAE J1939 messages

   Use diagnostic tools to monitor and analyze the CAN bus activity for abnormal message frequency.