B0081 4B: Notes

WARNING: This page is about a different car, the 2007 GMC Sierra and 2007 Chevrolet Silverado. However, it is still accessible from the selected car via links, so may be relevant.

The PPS has failed the rezeroing procedure.

B0081 5A

The PPS has lost communications with the SDM.
When the PPS has requested the passenger air bag indicator to change states (from ON to OFF or OFF to ON) and the SDM change states message does not match with the PPS message.
After the PPS change states, the SDM signal stating the Passenger Status Data Received is not valid within 2.6 seconds.