# P31E7 on the 2021 Nissan Leaf

The bulletins listed name this code in NHTSA's summary, or are about the same components. A bulletin or a recall listed here may apply to the model year. None of it is a diagnosis.

This code is specific to a manufacturer and is not described here.

## Bulletins for this model year that name P31E7

- [11004974](https://open.wenmarpro.com/bulletins/11004974), 2024-07-19: VEHICLE WILL NOT START AND DTCS P31E7 AND P0AA6 STORED IN EV/HEV CONTROL MODULE This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin.
- [10234086](https://open.wenmarpro.com/bulletins/10234086), 2023-04-10: VEHICLE WILL NOT START AND DTCS P31E7 AND P0AA6 STORED IN EV/HEV CONTROL MODULE IF YOU CONFIRM The vehicle does not start, AND DTCs P31E7 \(RESTART INHIBITION\) and P0AA6 \(HV BATTERY VOLTAGE SYSTEM ISOLATION\) are stored in the EV/HEV Control Module. ACTION Follow the SERVICE PROCEDURE in this bulletin to: 1. Perform ESM diagnosis for DTCs P31E7 or P0AA6 to determine if a Li\-Ion battery module triggered the DTCs. • If a Li\-Ion battery module did not trigger the DTCs, this bulletin does not apply. Refer to ASIST for further diagnosis. 2. Inspect the Li\-Ion battery module for a bent retention plate. 3. Replace the Li\-Ion battery module, if applicable.