LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Infiniti >> 2015 >> QX70 AWD >> Repair and Diagnosis >> Restraints >> Restraints Control Systems >> SRS Airbag Control System >> DTC/Circuit Diagnosis >> DTC B0029: Curtain Air Bag Module >> DTC Logic >> DTC Detection Logic
April 5, 2026: LEMON Manuals is launched! Read the announcement.

DTC Detection Logic

DTC CONSULT Screen Items
(Trouble Diagnosis Content)
DTC Detecting Condition Possible Cause
B0029-09 CURTAIN A/B MODULE RH
[Right Curtain Deployment Control 1 (Subfault)]
[SHORT] Curtain air bag module RH circuits are shorted to each other
  • Connection malfunction or short circuit of harness and connector
  • Internal malfunction of curtain air bag module RH
  • Internal malfunction of air bag diagnosis sensor unit
B0029-11 [GND-SHORT] Curtain air bag module RH circuit is shorted to ground
  • Connection malfunction or short circuit to ground of harness and connector
  • Internal malfunction of curtain air bag module RH
  • Internal malfunction of air bag diagnosis sensor unit
B0029-12 [VB-SHORT] Curtain air bag module RH circuit is shorted to power supply circuit
  • Connection malfunction or short circuit to power supply of harness and connector
  • Internal malfunction of curtain air bag module RH
  • Internal malfunction of air bag diagnosis sensor unit
B0029-13 [OPEN] Curtain air bag module RH circuit is open
  • Connection malfunction or open circuit of harness and connector
  • Internal malfunction of curtain air bag module RH
  • Internal malfunction of air bag diagnosis sensor unit
B0029-1A [SHORT] Curtain air bag module RH circuits are shorted to each other
  • Connection malfunction or short circuit of harness and connector
  • Internal malfunction of curtain air bag module RH
  • Internal malfunction of air bag diagnosis sensor unit