DTC B1632: Driver's knee air bag module (squib) system (open circuit of squib circuit): Notes
WARNING: This page is about a different car, the 2014 Mitsubishi Outlander. However, it is still accessible from the selected car via links, so may be relevant.
CAUTION:
If DTC B1632 is stored in the SRS-ECU, always diagnose the CAN main bus line.