Possible Causes
WARNING: This page is about a different car, the 2003 Lexus LS 430. However, it is still accessible from the selected car via links, so may be relevant.
DTC 33/B1141 could be caused by a left head impact/side air bag sensor assembly malfunction.
NOTE:
During testing, if DTCs other than DTC 33/B1141 are retrieved, disregard them.