Actions Taken When the DTC Sets
WARNING: This page is about a different car, the 2023 GMC Acadia. However, it is still accessible from the selected car via links, so may be relevant.
DTCs listed in the DTC Descriptor category = Type A DTC
- Autostart/Autostop = Disabled
- Grade braking = Disabled
- Manual Shift Control = Disabled
- Neutral Idle Mode = Disabled
- Powertrain braking = Disabled
- TCC Control = Disabled
- Transmission Adaptive Values Learn = Freeze current adapt values
- {P2820} 1st Gear = Not Available
- {P2821} Transmission gear allowed = Reverse or Gear 2