2014-2019 CTS General Discussion
I just bought a 2014 Cadillac CTS 2.0t AWD a few weeks ago and yesterday the check engine light came on after changing my air filter I ran the code. There were 4 codes in total.
P0097 (intake ait temperature sensor 2 circuit low bank 1)
P00F4 (Humidity sensor circuit low)
P0037 (HO2S heater...