Conditions Which Generate This Code:
The signal voltage from the engine coolant temperature sensor is above normal.
System Response:
The Electronic Control Module (ECM) will log the diagnostic code. The ECM flags coolant temperature as invalid data and a default value is used. The engine will not go into cold mode.
- The engine may misfire.
- The engine may experience reduced speed (rpm) and/or low power.
Test Step 1. Perform the following diagnostic procedure: Engine Temperature Sensor Open or Short Circuit – Test
Results:
- OK – STOP