Watchdog Timer Reset (WDT Timeout)
A controller's watchdog timer expired and reset the processor — the firmware stopped servicing the watchdog (a hang or overrun); a stack trace is logged.
What it means
A controller's watchdog timer expired and reset the processor — the firmware stopped servicing the watchdog (a hang or overrun); a stack trace is logged.
Warning — Monitor the situation, may self-resolve.
Likely causes
- A transient firmware hang that auto-recovered on reset
- A firmware overrun under load
- Repeated resets suggest a firmware defect
What to do
- 1An isolated reset that recovers is often transient
- 2Note the firmware version and whether it recurs
- 3Repeated WDT timeouts warrant a firmware update or service
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 System codes:
Dashboard codes for the same subsystem:
Questions
What does "Watchdog Timer Reset (WDT Timeout)" mean in a Zero log?
A controller's watchdog timer expired and reset the processor — the firmware stopped servicing the watchdog (a hang or overrun); a stack trace is logged. It is written by the MBB. It is classed as warning: monitor the situation, may self-resolve.
What should I do about it?
An isolated reset that recovers is often transient. Note the firmware version and whether it recurs. Repeated WDT timeouts warrant a firmware update or service.
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.