Action Taken When the DTC Sets
WARNING: This page is about a different car, the 2009 GMC Yukon and 2009 Chevrolet Tahoe. However, it is still accessible from the selected car via links, so may be relevant.
P0973
- P0973 is a Type B DTC.
- The TCC commands maximum line pressure.
- The TCM inhibits 3-2 shift until vehicle speed is less than 20 km/h (12 mph).
- The TCM freezes transmission adaptive functions.
P0974
- The TCC commands maximum line pressure.
- The TCM freezes transmission adaptive functions.