Conditions for Setting the DTC
WARNING: This page is about a different car, the 2023 Chevrolet Equinox. However, it is still accessible from the selected car via links, so may be relevant.
P171A 13
ECM detects an open circuit on the transmission anti-surging solenoid circuit for 1 s.
P171B 11
ECM detects a short to ground on the transmission anti-surging solenoid circuit for 1 s.
P171C 12
ECM detects a short to power on the transmission anti-surging solenoid circuit for 1 s.