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Home >> Infiniti >> 2011 >> M37 Base >> Repair and Diagnosis >> External Pages >> Different car >> Section 75 (Door & Lock) >> DTC/Circuit Diagnosis >> DTC B2403: Encoder >> DTC Logic >> DTC Detection Logic

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 CONSULT display description DTC detecting condition Possible cause
B2403 PULSE ENCODER When the automatic back door control unit can not receive the signal from the encoder just after starting the open/close operation
  • Battery voltage (low battery)
  • Automatic back door control module
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