B0081 4B Chevrolet Silverado 2500 HD

The PPS has failed the rezeroing procedure.

B0081 5A

1. The PPS has lost communications with the SDM.
2. 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.
3. After the PPS change states, the SDM signal stating the Passenger Status Data Received is not valid within 2.6 seconds.