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Home >> Nissan-Datsun >> 2021 >> NV2500 HD S >> Repair and Diagnosis >> External Pages >> Different car >> Section 628 (Door & Lock (DTC/Circuit Diagnosis)) >> DTC/Circuit Diagnosis >> DTC B2401: Ignition Power Supply Circuit >> DTC Description >> DTC Detection Logic

DTC Detection Logic

WARNING: This page is about a different car, the 2020 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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