LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Infiniti >> 2012 >> G37 Base, 2D Convertible >> Repair and Diagnosis >> External Pages >> Different car >> Section 111 (EV Control System) >> DTC/Circuit Diagnosis >> DTC P0A8D, P0A8E: 12V Battery Power Supply >> 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 2011 Nissan Leaf. However, it is still accessible from the selected car via links, so may be relevant.
DTC DETECTING CONDITION AND POSSIBLE CAUSES

DTC Trouble diagnosis name (Trouble diagnosis content) DTC detecting condition Possible cause
P0A8D 14V POWER SUPPLY (14 V power module system voltage low) VCM detects that a voltage of 12V battery power supply remains less than 10 V for 10 seconds during READY state.
  • Harness or connectors (The sensor circuit is open or shorted.)
  • DC/DC J/B
P0A8E 14V POWER SUPPLY (14 V power module system voltage high) VCM detects that a voltage of 12V battery power supply remains more than 16 V for 25.5 seconds during READY state.