[2021] — Nissan P155b00

: Have a professional load test performed to ensure the battery is holding a charge properly. Inspect the Sensor

Scan comprehensively: Use a Nissan-capable scan tool to pull related manufacturer codes, freeze-frame data, and communication tables. Look for other codes that co-occur—those often point to the subsystem at fault. nissan p155b00

The Code That Remembered

You park your Nissan Leaf after a long highway drive. The system notes a small voltage deviation across modules. While plugged into a Level 2 charger, P155B00 runs a 15-minute low-current top-off sequence on specific cells, then re-verifies balance. The next morning, your predicted range is 3–5% more accurate than before. : Have a professional load test performed to