Conditions for Setting the DTC
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.
P0722
Transmission Output Speed = Less than 35 RPM - For greater than 4.5 s
P0723
Transmission Output Speed = Decreases greater than 800 RPM - For greater than 3 s
P077C
Output Speed Sensor - Signal circuit = Less than 0.25 V - For greater than 5 s
P077D
Output Speed Sensor - Signal circuit=Greater than 4.75 V - For greater than 5 s