Nissan Leaf 2019–2022 — technical service bulletin
Bulletin NTB23-024 · NHTSA communication 10234086 · issued Mar 14, 2023
Technical service bulletin
communication type
Electrical System
component
2019–2022
model years
4
vehicle entries
Official summary
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. ï · 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 pla
Vehicles covered
What a TSB means. Technical service bulletins are repair guidance manufacturers send to dealers — they are not recalls, and repairs are not automatically free (warranty extensions are an exception worth checking). The full document is available via NHTSA’s vehicle lookup.