Possible Causes
WARNING: This page is about a different car, the 2002 Toyota Avalon. However, it is still accessible from the selected car via links, so may be relevant.
Diagnostic Trouble Code (DTC) 46/B0118 could be caused by a short to battery in side air bag squib circuit, side air bag squib malfunction or air bag sensor assembly malfunction.
NOTE:
During testing, if DTCs other than DTC 46/B0118 are displayed, disregard them.