Action Taken When the DTC Sets

WARNING: This page is about a different car, the 2018 GMC Yukon XL, 2018 GMC Yukon, 2018 Chevrolet Tahoe, 2018 Chevrolet Suburban 3500 HD, and 2018 Chevrolet Suburban. However, it is still accessible from the selected car via links, so may be relevant.

P0961

DTC P0961 is a Type B DTC.
The TCM freezes transmission adaptive functions.
The TCM commands maximum line pressure.

P0962

DTC P0962 is a Type A DTC.
The TCM turns the high side driver OFF.
The TCM inhibits the torque converter clutch (TCC).
The TCM commands maximum line pressure.
The TCM freezes transmission adaptive functions.
The TCM inhibits powertrain braking.
The ECM/TCM request a reduction in engine torque based on input speed.
The TCM inhibits Tap Up/Down function.
The TCM inhibits manual shifting or forward gears.
The TCM inhibits auto grade braking.
The TCM inhibits neutral idle.

P0963

DTC P0963 is a Type B DTC.
The TCM freezes transmission adaptive functions.
The TCM commands maximum line pressure.