Zero error code 18
Battery Temperature Sensor Fault
What it means
Battery Temperature Sensor Fault
Battery temperature sensor reading invalid
Error — Issue detected, may affect performance.
What to do
- 1Dealer inspection required for sensor replacement.
Which bikes use this table
Sevcon-era dash: S, SR, DS (2014-2023), DSR (2016-2023), FX (2014-2025), FXS (2016-2021), FXE (2022-2025). The SDS and XMX owner manuals print the same 0-63 table.
Related codes
Other Gen2 Battery/BMS codes:
What the log file records for the same subsystem:
Questions
What does error code 18 mean on a Zero Gen2 dash?
Battery Temperature Sensor Fault. Battery temperature sensor reading invalid. It is classed as error: issue detected, may affect performance.
What should I do about it?
Dealer inspection required for sensor replacement.
See when this actually happened on your bike
A dash code tells you the fault; the log tells you the pack temperature, the state of charge and the ten minutes leading up to it.
Sources:
The code and its name are transcribed from Zero's own owner manuals; the severity, category and troubleshooting notes are ours. For official diagnostics, consult an authorized Zero Motorcycles dealer.