John Deere BIF000110.03 – BIF: Coolant Temperature Sender Fault

The coolant temperature sender is experiencing a shorted or open circuit condition. This fault may prevent the system from accurately monitoring coolant temperature, potentially leading to improper engine operation or overheating.

1. 1

   Coolant temperature sender

2. 2

   Wiring to the coolant temperature sender

3. 3

   Connections to the coolant temperature sender

1. 1

   Inspect

   Inspect the coolant temperature sender for physical damage or corrosion.

2. 2

   Test

   Test the coolant temperature sender for continuity and resistance using a multimeter.

3. 3

   Check

   Check the wiring and connections to the coolant temperature sender for breaks, shorts, or poor contact.