Conditions for Setting the DTC
WARNING: This page is about a different car, the 2018 Buick Encore. However, it is still accessible from the selected car via links, so may be relevant.
P2618
Crankshaft Position Signal Output Circuit = Short to Ground or Open - For greater than 5 s
P2619
Crankshaft Position Signal Output Circuit = Short to Voltage - For greater than 5 s