LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Infiniti >> 2013 >> M35h >> Repair and Diagnosis >> External Pages >> Different car >> Section 4 (Hybrid Control System) >> DTC/Circuit Diagnosis >> DTC P0A1D: HPCM >> DTC Logic >> DTC Detection Logic
April 5, 2026: LEMON Manuals is launched! Read the announcement.

DTC Detection Logic

WARNING: This page is about a different car, the 2012 Infiniti M35h. However, it is still accessible from the selected car via links, so may be relevant.
DTC No. Trouble diagnosis name (Trouble diagnosis content) DTC detecting condition Possible cause
P0A1D HPCM (HPCM abnormality) A HPCM is malfunctioning.
  • HPCM
  • 12V battery
B When HPCM detects signal abnormality from traction motor inverter. Traction motor inverter