P1115: Engine Coolant Temperature (ECT) Sensor Circuit Intermittent High Voltage/IAT – B Circuit High Input

P1115 is a manufacturer-specific powertrain diagnostic trouble code: Engine Coolant Temperature (ECT) Sensor Circuit Intermittent High Voltage/IAT – B Circuit High Input.

Detailed diagnostic information for this code has not been added yet. Consult your vehicle's service manual or a qualified mechanic for specific guidance.