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Home >> Toyota >> 2003 >> RAV4 Base, AWD, Standard >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System Self Diagnostics >> Diagnostic Tests >> DTC P0115: Engine Coolant Temperature Sensor Circuit >> Possible Causes

Possible Causes

DTC P0115 is set when an open or short in engine coolant temperature sensor circuit. Possible causes are:

ECT sensor circuit is open or shorted.
Defective ECT sensor.
Defective ECM.

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