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.

P18C4

Gate Select Position Sensor = Less than 7% - For greater than 3 s

P18C5

Gate Select Position Sensor = Greater than 91% - For greater than 3 s

P18C6

Gear Shift Position Sensor = Less than 7% - For greater than 3 s

P18C7

Gear Shift Position Sensor = Greater than 91% - For greater than 3 s