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.
Any of the following conditions must exist for 5 seconds:
B0081 00
The Inflatable Restraint Sensing and Diagnostic Module has a general fault present.
B0081 11
The Passenger Presence Module is above maximum threshold. The Passenger Presence Module failed the preload/build check.
B0081 3A
The Inflatable Restraint Sensing and Diagnostic Module has received a mismatch message indicating the wrong Passenger Presence Module is installed on the vehicle.
B0081 4B
The Passenger Presence Module is not calibrated. Preload procedure has not been run.
B0081 5A
The Passenger Presence Module detects a plausibility error.
B0081 71
The Inflatable Restraint Sensing and Diagnostic Module has received invalid or no serial data from the Passenger Presence Module.