P2185 Volvo Engine Coolant Temperature Sensor 2 Circuit High

Possible causes

– Low coolant level
– Faulty Engine Coolant Temperature Sensor
– Stuck or leaking thermostat
– Engine Coolant Temperature Sensor harness is open or shorted
– Engine Coolant Temperature Sensor circuit poor electrical connection
– Faulty Powertrain Control Module (PCM)

Symptoms

– Engine Light ON (or Service Engine Soon Warning Light)

P2185 Volvo Description

The Powertrain Control Module (PCM) detects that the engine coolant temperature sensor 2 circuit voltage is implausible.