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P2185 - Engine Coolant Temperature Sensor 2 Circuit High

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P2185 - ENGINE COOLANT TEMPERATURE SENSOR 2 CIRCUIT HIGH

Description:  Indicates the sensor signal is greater than the self-test maximum. The secondary cooling system engine coolant temperature 2 (ECT2) sensor maximum is 4.6 volts or -50°C (-58°F).
Possible Causes: 
  • ECT2 sensor signal circuit open
  • ECT2 sensor signal short to voltage
  • Damaged secondary cooling system ECT2 sensor
  • Incorrect harness connection
Diagnostic Aids:  An ECT2 PID reading greater than 4.6 volts with the ignition ON engine OFF or during any engine operating mode indicates a concern is present.
Application  Key On Engine Off  Key On Engine Running  Continuous Memory 
All GO to PINPOINT TEST K .