Conditions for Setting the DTCs
WARNING: This page is about a different car, the 2019 Buick Cascada, 2018 Buick Cascada, and 2017 Buick Cascada. However, it is still accessible from the selected car via links, so may be relevant.
P00F4
The ECM detects that the humidity sensor signal is less than or equal to 5% for greater than 5 s.
P00F5
The ECM detects that the humidity sensor signal is greater than or equal to 95% for greater than 5 s.
P00F6
The ECM monitors the humidity sensor signal every 0.1 s, to determine if the signal has changed more than 80%. The DTC fails when the condition exists for longer than 4 s.