Action Taken When the DTC Sets
WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2011 GMC Yukon XL, 2011 GMC Yukon, 2011 Chevrolet Tahoe, 2011 Chevrolet Suburban, and 2011 Chevrolet Avalanche. 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.