DTC B1458: Side impact sensor (rear: LH) communication error; DTC B1459: Side impact sensor (rear: LH) communication impossible: 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 the diagnostic trouble code B1458 or B1459 is stored to SRS-ECU, be sure to diagnose the CAN bus line.