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.
B270A 01
The body control module detects a short to voltage in the transmission shift lock control solenoid actuator control circuit for 1 s.
B270A 02
The body control module detects a short to ground in the transmission shift lock control solenoid actuator control circuit for 1 s.