DTC B1B00: Driver's Air Bag Module (1st Squib) System (Shorted to Squib Circuit Ground); DTC B1B04: Driver's Air Bag Module (2nd Squib) System (Shorted to Squib Circuit Ground): Notes
Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
CAUTION:
If DTC B1B00 <1st squib> or B1B04 < 2nd squib > is set in the SRS-ECU, always diagnose the CAN main bus line.