Actions Taken When the DTC Sets
WARNING: This page is about a different car, the 2019 GMC Savana 3500, 2019 GMC Savana 2500, 2019 Chevrolet Express 3500, and 2019 Chevrolet Express 2500. However, it is still accessible from the selected car via links, so may be relevant.
DTC P0973 = Type A DTC - Additional actions taken:
- Grade braking = Disabled
- Line Pressure Command = Maximum
- Manual Shift Control = Disabled
- Mode Switch = Disabled
- Neutral Idle Mode = Disabled
- Tow/Haul Mode = Disabled
- TCC Control = Disabled
- Torque Management = Enabled
- Transmission Adaptive Pressure Control = Freeze current adapt values
- {Output Speed Sensor = Greater than 1, 350 RPM}Transmission = Neutral
- {Output Speed Sensor = Less than 1, 350 RPM}Transmission = 2nd Gear
DTC P0974 = Type B DTC - Additional actions taken:
- 1st Gear = Disabled
- Neutral Idle Mode = Disabled