Possible Causes
WARNING: This page is about a different car, the 2003 Toyota 4Runner. However, it is still accessible from the selected car via links, so may be relevant.
DTC 43/B0110 could be caused by a short between Yellow/Red (circuit SFR+) and Yellow/Green (circuit SFR-) wires 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 43/B0110 are displayed, disregard them.