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Home >> Infiniti >> 2011 >> M56 Base >> Repair and Diagnosis >> External Pages >> Different car >> Section 118 (SRS Airbag Control System) >> DTC/Circuit Diagnosis >> DTC B1049, B1054: Driver Air Bag Module >> DTC Logic >> DTC Detection Logic
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DTC Detection Logic

WARNING: This page is about a different car, the 2012 Infiniti QX56. However, it is still accessible from the selected car via links, so may be relevant.
DTC Display contents of CONSULT DTC detecting condition Possible cause
B1049
B1054
DRIVER AIRBAG MODULE
[OPEN]
Driver air bag module circuit is open (including the spiral cable)
  • Harness or connectors

    (The module circuit is open.)

  • Malfunction in driver air bag module
  • Malfunction in spiral cable
  • Malfunction in air bag diagnosis sensor unit