New Holland 13012 – INST: Engine Coolant Temperature Sensor Voltage Too High

The Engine Coolant Temperature sensor is reporting a voltage that is too high, indicating an open circuit or a short to +V. This may affect the engine's ability to properly regulate temperature and performance.

1. 1

   The wiring and connections to the Engine Coolant Temperature sensor

2. 2

   The Engine Coolant Temperature sensor itself for damage or malfunction

3. 3

   The circuit for signs of an open or shorted condition

1. 1

   Inspect

   Inspect the wiring and connections to the Engine Coolant Temperature sensor for damage, corrosion, or loose connections.

2. 2

   Test

   Test the Engine Coolant Temperature sensor for proper operation using a multimeter or diagnostic tool.

3. 3

   Replace

   If the sensor is faulty or the circuit is damaged, replace the affected component or repair the circuit as needed.