Chevrolet specific DTC OBD2 code: P1115 Engine Coolant Temperature (ECT) Sensor Circuit Intermittent High Voltage
Chevrolet specific DTC OBD2 code: P1116 ECT Signal Unstable Or Intermittent
Chevrolet specific DTC OBD2 code: P1117 Engine Coolant Temp Signal Out-Of-Range Low