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P31E7 Restart inhibition

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System
High voltage system
Component
High voltage circuit insulation

Symptoms

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

Common causes

  • Any high voltage insulation fault that sets P0AA6

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

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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.