Actions Taken When the DTC Sets

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.

P2719 = Type C DTC - Additional actions taken:

Freeze current adapt values - 2-6 Clutch

DTC P2720, P2721 = Type A DTC - Additional actions taken:

Grade braking = Disabled
Line Pressure Command = Maximum
Manual Shift Control = Disabled
Mode Switch = Disabled
Neutral Idle Mode = Disabled
Powertrain braking = Disabled
Transmission Adaptive Pressure Control = Freeze current adapt values
{ P2720 }Transmission gear allowed = 2nd Gear
{ 2721 }Transmission gear allowed = 3rd Gear