Current Firmware Version Information

2020 SR/F	Firmware Version
MBB	9	Improves the calculation of torque during a motorcycle stability control event
MBB	8	Addresses instances where Check Engine light should illuminate but does not Fixes issue where BMS OTA update may fail the first time and require a repeat
MBB	7	Addresses app time sync issue that could freeze dash display Resolves issue with incomplete wakeup from hibernate Improves motor temperature accuracy under certain conditions Resolves issues with display of certain statistics on dash Increased reliability of MBB and dash communication Improved performance of dash status lights Improved charger detection Enhanced log pulling reliability Eliminates false trigger for check engine light while updating Improved over-the-air update functionality Fixed issue with motorcycle overriding rider’s dash time setting
BMS	9	Improves the calculation of torque during a motorcycle stability control event
BMS	8	Addresses instances where Check Engine light should illuminate but does not Fixes issue where BMS OTA update may fail the first time and require a repeat
BMS	7	Addresses app time sync issue that could freeze dash display Resolves issue with incomplete wakeup from hibernate Improves motor temperature accuracy under certain conditions Resolves issues with display of certain statistics on dash Increased reliability of MBB and dash communication Improved performance of dash status lights Improved charger detection Enhanced log pulling reliability Eliminates false trigger for check engine light while updating Improved over-the-air update functionality Fixed issue with motorcycle overriding rider’s dash time setting

2019	Firmware Version
MBB	27	Powertank firmware improvements
MBB	26	SOC improvements for MY15 power packs that have MY17 BMSs Improvement to charging when power pack temperature reaches 50C Improvement to management of 6 kW charging near freezing temperatures (-2 to 2C) Enables Long Term Storage Mode Improvement of BMS hibernation functionality 6 kW Charge Tank performance improvements
BMS	35	Powertank firmware improvements
BMS	34	SOC improvements for MY15 power packs that have MY17 BMSs Improvement to charging when power pack temperature reaches 50C Improvement to management of 6 kW charging near freezing temperatures (-2 to 2C) Enables Long Term Storage Mode Improvement of BMS hibernation functionality 6 kW Charge Tank performance improvements

2018	Firmware Version
MBB	27	Powertank firmware improvements
MBB	26	SOC improvements for MY15 power packs that have MY17 BMSs Improvement to charging when power pack temperature reaches 50C Improvement to management of 6 kW charging near freezing temperatures (-2 to 2C) Enables Long Term Storage Mode Improvement of BMS hibernation functionality 6 kW Charge Tank performance improvements
BMS	35	Powertank firmware improvements
BMS	34	SOC improvements for MY15 power packs that have MY17 BMSs Improvement to charging when power pack temperature reaches 50C Improvement to management of 6 kW charging near freezing temperatures (-2 to 2C) Enables Long Term Storage Mode Improvement of BMS hibernation functionality 6 kW Charge Tank performance improvements
Sevcon	0705.0013

2017	Firmware Version
MBB	27	Powertank firmware improvements
MBB	26	SOC improvements for MY15 power packs that have MY17 BMSs Improvement to charging when power pack temperature reaches 50C Improvement to management of 6 kW charging near freezing temperatures (-2 to 2C) Enables Long Term Storage Mode Improvement of BMS hibernation functionality 6 kW Charge Tank performance improvements
BMS	35	Powertank firmware improvements
BMS	34	SOC improvements for MY15 power packs that have MY17 BMSs Improvement to charging when power pack temperature reaches 50C Improvement to management of 6 kW charging near freezing temperatures (-2 to 2C) Enables Long Term Storage Mode Improvement of BMS hibernation functionality 6 kW Charge Tank performance improvements
Sevcon	66.23
JIB (2.5 kW Charge Tank only)	4

2016	Firmware Version
MBB	55	Powertank firmware improvements
MBB	54	Add support for 6 kW Charge Tank Various SOC tracking improvements Add support for MY19 power packs
MBB	53
BMS	47	Powertank firmware improvements
BMS	46	Add support for 6 kW Charge Tank Various SOC tracking improvements Add support for MY19 power packs
BMS	43	Maintenance release Bug fix improving capacity measurement from Battery Management System
Sevcon	66.23
JIB (2.5 kW Charge Tank only)	4

2015	Firmware Version
MBB	55	Powertank firmware improvements
MBB	54	Add support for 6 kW Charge Tank Various SOC tracking improvements Add support for MY19 power packs
MBB	53
BMS	47	Powertank firmware improvements
BMS	46	Add support for 6 kW Charge Tank Various SOC tracking improvements Add support for MY19 power packs
BMS	43	Maintenance release Bug fix improving capacity measurement from Battery Management System
Sevcon	76.06
JIB (2.5 kW Charge Tank only)	4

2014	Firmware Version
MBB	55	Powertank firmware improvements
MBB	54
BMS	59	Powertank firmware improvements
BMS	58	Add support for MY19 power packs
BMS	57	Maintenance release Bug fix improving capacity measurement from Battery Management System
Sevcon	76.06
CCU (FX only)	4

2013	Firmware Version
MBB	68
MBB (Monolith Upgrade)	11	For bikes with MY14 or newer power packs Security Improvements Maintenance release for revised MBB firmware
BMS	44
Sevcon	76.06
CCU	6

2012	Firmware Version
MBB	25 (Load-N-Go)
Sevcon	76.06