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Home >> Infiniti >> 2015 >> QX60 Base, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 11 (Door & Lock (DTC/Circuit Diagnosis) (Except Hybrid)) >> DTC/Circuit Diagnosis >> DTC B2401: Ignition Power Supply Circuit >> DTC Logic >> DTC Detection Logic

DTC Detection Logic

WARNING: This page is about a different car, the 2016 Infiniti QX60. However, it is still accessible from the selected car via links, so may be relevant.
DTC CONSULT display description DTC detecting condition Possible cause
B2401 IGN OPEN Automatic back door control module cannot detect ignition switch ON signal via CAN communication with BCM.
  • BCM
  • Automatic back door control module
  • CAN communication system
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