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.
DTC P0721, P0722, P0723, P077C, P077D = Type A
- Autostart/Autostop = Disabled
- Default shift pattern = Disabled
- Grade braking = Disabled
- Manual Shift Control = Disabled
- Neutral Idle Mode = Disabled
- Powertrain braking = 1st Gear Disabled
- Tap Up & Tap Down = Disabled
- TCC Control = Disabled
- Transmission Adaptive Values Learn = Freeze current adapt values
- Transmission gear allowed = Reverse & Gear 5