Action Taken When the DTC Sets

WARNING: This page is about a different car, the 2015 Chevrolet Trax and 2015 Buick Encore. However, it is still accessible from the selected car via links, so may be relevant.

P0741

P0741 is a Type B DTC.
TCM inhibits 6th gear.
TCM initiates Hot Mode shift pattern.
TCM commands the TCC OFF.

P0742

P0742 is a Type A DTC.
TCM initiates Hot Mode shift pattern.
TCM freezes transmission adaptive functions.
TCM commands the TCC ON.
TCM inhibits neutral idle.