Conditions for Setting the DTC

WARNING: This page is about a different car, the 2022 Cadillac CT4. However, it is still accessible from the selected car via links, so may be relevant.

P0197

Engine Oil Temperature Sensor 1 Circuit = Less than 0.2 V - For greater than 10 s

P0198

Engine Oil Temperature Sensor 1 Circuit = Greater than 4.8 V - For greater than 10 s

P0199

Engine Oil Temperature Sensor 1 Circuit = Signal Erratic