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.

P0741

DTC P0741 is a Type B DTC.
The TCM commands maximum line pressure.
The TCM commands TCC OFF.
The TCM inhibits 4th gear if the transmission is in Hot Mode.
The TCM freezes transmission adaptive functions.

P0742

DTC P0742 is a Type B DTC.
The TCM commands maximum line pressure.
The TCM commands TCC ON.
The TCM freezes transmission adaptive functions.