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Zero Motorcycles Firmware Release Notes

Updated: July 18, 2022

2020-22 SR/F & SR/S + 22 SR

MBB v24, BMU v5, BMS v20
  • Improvements to BMU temperature monitoring.
  • Improved timing for opening and closing the battery contactor.
  • Resolved issue preventing proper timeout during charging faults.

2017-22 Cypher II

MBB v35, BMS v42
  • Model year 2023 support
  • Impovements to battery hibernation functionality

2020-22 SR/F + 22 SR

MBB v23, BMU v4 BMS v19
  • Improvements for CCM update process
  • Fixed false positive Contactor/Battery fault under certain conditions
  • Fixed false positive DC_DC_LOW fault notification
  • Fixed BMU fault at extremely low temperatures
  • Resolved ride mode errors upon app sync limiting top speed and power

MBB v21, BMS v19, BMU v3
  • Improvements to SoC requirements for regen to activate
  • Resolved issue preventing error notifications from appearing on the dash
  • Motorcycles with older dash firmware will now show cellular connected
  • Resolved potential issue where throttle would activate on key on

2020-22 SR/S

MBB v23, BMU v4 BMS v19
  • Improvements for CCM update process
  • Fixed false positive Contactor/Battery fault under certain conditions
  • Fixed false positive DC_DC_LOW fault notification
  • Fixed BMU fault at extremely low temperatures
  • Resolved ride mode errors upon app sync limiting top speed and power

MBB_v20/BMU_v2/BMS_v19
  • Support for 22MY bikes and the new ZF14.4+ and ZF15.6+ batteries
  • Support for Cypher III+ features
  • Rename Street Mode to Standard for all FST bikes
  • Fix for Remote Data Connectivity when the bike is not riding or charging
  • Bug fixes for charge target functionality
  • Various bug fixes and improvements

2020-21 SR/F

MBB/BMS_v19
  • Improvements and bugfixes for the SOC algorithm
  • Bugfixes for battery capacity calculations
  • Improvements for charge rate tapering at high charge rate and at high pack temperatures
  • Internal logging bugfixes and improvements
  • Cruise Control disables when the kickstand is down

MBB/BMS_v18
  • Added and Enabled Long Term Storage Mode for FST bikes
  • Fixed update available notification after Bluetooth bike update
  • Reduced prevalence of 12V Heating notification
  • Bugfixes for scheduled charging
  • Dash will no longer show kickstand down symbol if the motorcycle is in motion
  • Powertank bike charging bugfixes in extreme conditions
  • Decreased time on twelve-volt battery during Bluetooth and CCM FW update
  • Fix for Mennekes charge bug surrounding cable limits

2020-21 SR/S

MBB/BMS_v19
  • Improvements and bugfixes for the SOC algorithm
  • Bugfixes for battery capacity calculations
  • Improvements for charge rate tapering at high charge rate and at high pack temperatures
  • Internal logging bugfixes and improvements
  • Cruise Control disables when kickstand is down

MBB/BMS_v18
  • Added and Enabled Long Term Storage Mode for FST bikes
  • Fixed update available notification after Bluetooth bike update
  • Reduced prevalence of 12V Heating notification
  • Bugfixes for scheduled charging
  • Dash will no longer show kickstand down symbol if motorcycle is in motion
  • Powertank bike charging bugfixes in extreme conditions
  • Decreased time on twelve volt battery during Bluetooth and CCM FW update
  • Fix for Mennekes charge bug surrounding cable limits

2020

MBB_v33/BMS_v40
  • 22MY FXE Support
  • Various minor bugfixes

MBB_v32/BMS_v39
  • Various minor bugfixes

2019

MBB_v33/BMS_v40
  • 22MY FXE Support
  • Various minor bugfixes

MBB_v32/BMS_v39
  • Various minor bugfixes

2018

MBB_v33/BMS_v40
  • 22MY FXE Support
  • Various minor bugfixes

MBB_v32/BMS_v39
  • Various minor bugfixes

2017

MBB_v33/BMS_v40
  • 22MY FXE Support
  • Various minor bugfixes

MBB_v32/BMS_v39
  • Various minor bugfixes

2016

BMS_v48
  • Support for MY20 Battery Compatibility

MBB_v56
  • Fix for MY15/16 Bluetooth packet handling

2015

BMS_v48
  • Support for MY20 Battery Compatibility

MBB_v56
  • Fix for MY15/16 Bluetooth packet handling

2014

BMS_v60
  • Support for MY20 Battery Compatibility

MBB_v55
  • Powertank firmware Improvements

For any questions/inquiries, feel free to contact the Zero Customer Support department at:

NA: +1 (888) 786-9376 ext. 2, or by email at support@zeromotorcycles.com

EU: +31 (0) 72 5112014, or by email at eu.support@zeromotorcycles.com