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DTC Detection Logic

DTC DETECTION CONDITION AND POSSIBLE CAUSE

DTC Display contents of CONSULT-III DTC detecting condition Possible cause
B1257 FR-RH DOOR MNT MODULE [OPEN] Door-mounted curtain air bag module RH circuit is open
  • Disconnection of wiring harness and open
  • Malfunction in side door-mounted curtain air bag module RH
  • Malfunction in air bag diagnosis sensor unit
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