Conditions for Setting the DTC
WARNING: This page is about a different car, the 2019 Buick Cascada, 2018 Buick Cascada, and 2017 Buick Cascada. However, it is still accessible from the selected car via links, so may be relevant.
B023A 02
The stepper motors supply output is shorted to ground.
B0223 01, B022A 01, B0233 01, B023A 01, B0408 01 or B0418 01
At least one control circuits of the appropriate stepper motor is shorted to voltage when motor starts moving. Faults are not detected when motor is already running or target position is already reached.
B0223 06, B022A 06, B0233 06, B0233 06, B0408 06 or B0418 06
At least one control circuits of the appropriate stepper motor is shorted to ground or open when motor starts moving. Faults are not detected when motor is already running or target position is already reached.