Actions Taken When the DTC Sets
WARNING: This page is about a different car, the 2020 Buick Regal and 2019 Buick Regal. 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