Actions Taken When the DTC Sets
WARNING: This page is about a different car, the 2023 GMC Sierra 3500 HD and 2023 GMC Sierra 2500 HD. 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
- Neutral Idle Mode = Disabled
- Manual Shift Control = Disabled
- Powertrain braking = Disabled
- Tap Up & Tap Down = Disabled
- TCC Control = Disabled
- Transmission Adaptive Pressure Control = Freeze current adapt values
- Transmission gear allowed = Reverse or Gear 5