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Error· MBB / BMS log file

Module Offline

A battery module is not responding (multi-module bikes)

Communication (CAN)Source: MBBLog file condition
Last updated: July 30, 2026

What it means

A battery module is not responding (multi-module bikes)

ErrorIssue detected, may affect performance.

Likely causes

  • Module connector loose
  • Module fault
  • CAN bus issue

What to do

  1. 1Check module connections
  2. 2Capacity will be reduced
  3. 3Dealer inspection if persistent

Which bikes use this table

Recorded in the binary log rather than shown on the dash — every generation writes them.

Questions

What does "Module Offline" mean in a Zero log?

A battery module is not responding (multi-module bikes). It is written by the MBB. It is classed as error: issue detected, may affect performance.

What should I do about it?

Check module connections. Capacity will be reduced. Dealer inspection if persistent.

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.

Upload a log

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.