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) 53/B1810, 53/B1811, 53/B1812 or 53/B1813 could be caused by a short to ground, open, short or short to battery in No. 2 squib circuit, squib malfunction, spiral cable malfunction or air bag sensor assembly malfunction.
NOTE:
During testing, if DTCs other than DTC 53/B1810, 53/B1811, 53/B1812 or 53/B1813 are displayed, disregard them.