Action Taken When the DTC Sets
WARNING: This page is about a different car, the 2010 GMC Sierra, 2010 GMC Cab & Chassis Sierra, 2010 Chevrolet Silverado, and 2010 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
P2719
- DTC P2719 is a Type C DTC.
- The TCM freezes transmission adaptive functions.
P2720
- DTC P2720 is a Type A DTC.
- The TCM defaults the transmission to a limited shift pattern utilizing 2nd gear and reverse gear.
- The TCM forces TCC OFF.
- The TCM freezes transmission adaptive functions.
- The TCM commands maximum line pressure.
- The TCM enables Torque management.
- The TCM inhibits TAP Up/Down function.
- The TCM inhibits manual shifting of forward gears.
P2721
- DTC P2721 is a Type A DTC.
- The TCM defaults the transmission to a limited shift pattern utilizing 3rd gear and reverse gear.
- The TCM forces TCC OFF.
- The TCM freezes transmission adaptive functions.
- The TCM commands maximum line pressure.
- The TCM enables Torque management.
- The TCM inhibits TAP Up/Down function.
- The TCM inhibits manual shifting of forward gears.