DTC Set Criteria
- Engine coolant temperature is higher than 169°F (76°C).
- Repeat steps 1 and 2, 5 or more times:
- Drive vehicle at speed higher than 31 MPH for longer than 60 seconds.
- Stop vehicle to a speed lower than 1 MPH for longer than 30 seconds.
Changes in IAT sensor output signal is lower than 1.8°F (1°C).