Causes and Fixes P2185 Code: Engine Coolant Temperature Sensor 2 Circuit High

How to fix a P2185 Code: Engine Coolant Temperature Sensor 2 Circuit High A P2185 code is set when the computer sees the ECT sensor 2 input is very high, very low, or there is no voltage. An Engine Coolant Temperature Sensor (ECT) is a Thermistor that changes resistance with the temperature. Possible Causes of a P2185 Code: Bad Engine Coolant Temp (ECT) Sensor 2 (ECT)Sensor 2 Wiring Problem Overheating or Cooling System Issues By using this information user assumes all risk of use.