DTC B1BA5: SRS-Ecu Squib Count Mismatch: Notes
WARNING: This page is about a different car, the 2008 Mitsubishi Lancer. However, it is still accessible from the selected car via links, so may be relevant.
CAUTION:
If DTC B1BA5 is set in the SRS-ECU, always diagnose the CAN main bus line.