Action Taken When the DTC Sets

WARNING: This page is about a different car, the 2017 GMC Yukon XL, 2017 GMC Yukon, 2017 Chevrolet Tahoe, 2017 Chevrolet Suburban 3500 HD, and 2017 Chevrolet Suburban. However, it is still accessible from the selected car via links, so may be relevant.

P0658

DTC P0658 is a Type A DTC.
The TCM turns OFF high side driver.
The TCM turns OFF all solenoids.
The TCM commands maximum line pressure.
The TCM freezes transmission adaptive functions.
The TCM commands the TCC OFF.
The TCM inhibits the TAP Up/Down function.
The TCM inhibits manual shifting of forward gears.
The TCM limits the transmission to Reverse and 5th gear.

P0659

DTC P0659 is a Type C DTC.