FIRMWARE

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