Conditions for Setting the DTC
WARNING: This page is about a different car, the 2016 Cadillac CTS. However, it is still accessible from the selected car via links, so may be relevant.
P2824
TCM detects an open in the transmission control solenoid valve 9 control circuit, for 0.3 s.
P2826
TCM detects a short to ground in the transmission control solenoid valve 9 control circuit, for 0.3 s.
P2827
TCM detects a short to power in the transmission control solenoid valve 9 control circuit, for 0.3 s.