Actions Taken When the DTC Sets

WARNING: This page is about a different car, the 2018 Chevrolet Suburban 3500 HD. However, it is still accessible from the selected car via links, so may be relevant.

P2808

DTCs listed in the DTC Descriptor Category = Type B DTC

Transmission Hot Mode = Enabled
TCC Control = Disabled
Transmission Adaptive Pressure Control = Freeze current adapt values

P2809

DTCs listed in the DTC Descriptor Category = Type A DTC

Autostart/Autostop = Disabled - If equipped
Line Pressure Command = Reduced
Neutral Idle Mode = Disabled
Transmission Hot Mode = Enabled
TCC Control = Enabled
Torque Management System Performance - Forced Limited Engine Power = Requested
Transmission Adaptive Pressure Control = Freeze current adapt values