Possible Causes
WARNING: This page is about a different car, the 2004 Lexus ES 330. However, it is still accessible from the selected car via links, so may be relevant.
Diagnostic Trouble Codes (DTCs) 57/B1830, 57/B1831, 57/B1832 or 57/B1833 could be caused by a short to ground, open, short or short to battery in left side curtain air bag squib circuit, squib malfunction or air bag sensor assembly malfunction.
NOTE:
During testing, if DTCs other than DTC 57/B1830, 57/B1831, 57/B1832 or 57/B1833 are displayed, disregard them.