emanuals.ai

P0AA6 HV battery voltage system isolation fault

Ask emanuals.ai about P0AA6

HV battery voltage system isolation fault, readable through chat.

Join the waitlistEarly access, email only.
System
High voltage system
Component
High voltage circuit insulation

Symptoms

  • EV system warning light on
  • Charging will not start
  • Car will not restart after power off

Common causes

  • High voltage wiring or connector damage
  • Electric A/C compressor
  • PTC cabin heater
  • Drive motor or inverter
  • Onboard charger or power delivery module
  • High voltage battery pack

Guides for this code

Pencil sketch of a Nissan Leaf in a garage
Diagnostics & Repair

P0AA6 and P31E7 on a 2018-2021 Nissan Leaf: Causes and Repair

JC Landry · Oct 30, 2026

Ask emanuals.ai about your car

Answers come from the actual factory manual for your make, model and year, with the page cited. Join the waitlist and we will email you when a spot opens up.

Invite-only beta. No spam, one email when your spot opens.

Ask emanuals.ai about your car

Answers come from the factory manual for your make, model and year, with the page cited. Join the waitlist and we will email you when a spot opens up.