Zero error code 01
High Throttle
What it means
High Throttle
Throttle signal too high at startup or during operation
Error — Issue detected, may affect performance.
What to do
- 1Check throttle connection and potentiometer. May need throttle replacement.
Code 01 on the other dash
The number alone is not enough. A Gen2 dash reads code 01 as High Throttle; a Gen3 dash reads the same number as High Throttle Fault. And the model name does not settle it: the S, SR, DS and DSR kept their names when they moved from the Sevcon dash to Cypher III in 2024, so it is the year that tells you which table applies.
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 System codes:
What the log file records for the same subsystem:
Questions
What does error code 01 mean on a Zero Gen2 dash?
High Throttle. Throttle signal too high at startup or during operation. It is classed as error: issue detected, may affect performance.
What should I do about it?
Check throttle connection and potentiometer. May need throttle replacement.
Does code 01 mean the same thing on a Gen3 Zero?
No. On a Gen3 dash, code 1 is "High Throttle Fault" — a different fault entirely. The two tables share numbers but not meanings, so read the one that matches your dash, not your model name: the S, SR, DS and DSR kept their names when they moved to Cypher III in 2024.
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.