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 33/B1141 could be caused by short to ground, short to battery or open in left head impact/side air bag sensor assembly wiring harness, left head impact/side air bag sensor assembly malfunction or air bag sensor assembly malfunction.