Pack Under Temperature
Battery pack temperature too low for charging (typically <0°C)
What it means
Battery pack temperature too low for charging (typically <0°C)
Warning — Monitor the situation, may self-resolve.
Likely causes
- Cold ambient conditions
- Bike stored in freezing environment
What to do
- 1Move bike to warmer location
- 2Wait for pack to warm up before charging
- 3Riding can warm the pack naturally
Which bikes use this table
Recorded in the binary log rather than shown on the dash — every generation writes them.
Related codes
Other log file Thermal codes:
Dashboard codes for the same subsystem:
Questions
What does "Pack Under Temperature" mean in a Zero log?
Battery pack temperature too low for charging (typically <0°C). It is written by the BMS. It is classed as warning: monitor the situation, may self-resolve.
What should I do about it?
Move bike to warmer location. Wait for pack to warm up before charging. Riding can warm the pack naturally.
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:
Community reference: ZeroManual wiki entry
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.