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.
B0074 00
The passenger presence module has detected a disconnection from the sensor mat.
B0074 0D
The passenger presence module has detected a resistance above threshold.
B0074 0E
The passenger presence module has detected a resistance below threshold.
B0074 0F
The passenger presence module has detected a wet seat fault.