Skip to content
Emergency
KNOWN FAULT · Nissan

The car will not start with codes P31E7 and P0AA6 because of a battery module with a bent retention plate (Leaf e+ 62 kWh)

Sources are not verified in real time and no entry confirms that your car is affected.

Engine / equipment
62 kWh lithium-ion battery modules: Nissan Leaf (ZE1) e+
Period mentioned
2019–2025
Symptoms
The car does not start and has codes P31E7 (restart inhibition) and P0AA6 (high-voltage system isolation) stored.
Possible cause described
According to Nissan bulletin NTB23-024A (USA, May 2024) for the 2019–2025 Leaf ZE1 with the 62 kWh battery, if a battery module triggered the codes, it is inspected for a bent retention plate and, if so, the module is replaced.
Check for the garage
Do not keep trying to start it: it is a high-voltage fault. Call for assistance and have a Nissan dealer follow the bulletin’s diagnosis to see whether a battery module is the cause.
Cost cited in the source
No verified estimate; ask the garage for a quote.A rough figure from the original database, not an up-to-date quote.

Sources from the original database

Has this happened to you?

Anonymous answer, no personal data.

Frequently asked questions

How much does it cost to repair this fault?

No verified estimate; ask the garage for a quote.

A rough figure from the original database, not an up-to-date quote.

Calculate estimate
How is it checked?

Do not keep trying to start it: it is a high-voltage fault. Call for assistance and have a Nissan dealer follow the bulletin’s diagnosis to see whether a battery module is the cause.

What are the symptoms?

The car does not start and has codes P31E7 (restart inhibition) and P0AA6 (high-voltage system isolation) stored.

Which cars and years does it affect?
Brands
Nissan
Engine / equipment
62 kWh lithium-ion battery modules: Nissan Leaf (ZE1) e+
Period mentioned
2019–2025
Which fault codes appear?

Taking it to a garage?

Find garages near you and, before you say yes, check whether the quote is reasonable.

Models with this entry

Other entries for these makes

Something not right on this page?