Conditions for Setting the DTC
WARNING: This page is about a different car, the 2015 Chevrolet Trax and 2015 Buick Encore. However, it is still accessible from the selected car via links, so may be relevant.
- The ECM detects a temperature difference at power-up that indicates that the ECT sensor is 30° C (86° F) warmer than the IAT sensor.
OR
- The ECM detects a temperature difference at power-up that indicates that the ECT sensor is 20° C (68° F) warmer than the IAT sensor, and NO engine block heater was detected.
OR
- The ECM detects a temperature difference at power-up that indicates that the ECT sensor is 20° C (68° F) warmer than the IAT sensor, the engine cranked for greater than 10 s without starting and NO engine block heater was detected.