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Software Updates
CURRENT SOFTWARE VERSIONS
Keep your e-bike up to date. Regular software updates bring new functions, improve performance and ensure an optimal riding experience.
Only authorized dealers with our TQ Service Dongle and the TQ Dealer Service Tool are able to perform the update!
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SOFTWARE UPDATES
New Features. Better Ride. Get the latest software updates for more performance, new features and noticeable improvements.
TQ HPR40 Release Package – September 26, 2025
Drive Unit
- Optimization of natural riding feel
- Improved handling of brief interruptions in motor support in specific riding situations
- Increased robustness for different riding styles
Battery
- Improved Power- and Capacity Algorithms especially in low SOC areas
Old Software Versionen:
| Komponente | Old Software Version |
| Drive Unit HPR40 | V 0.55.243 |
| Battery 290Wh | V 1.105.53 |
| Range Extender 160Wh | V 1.105.53 |
New Software Versionen:
| Komponente | New Software Version |
| Drive Unit HPR40 | V 2.0.26 |
| Battery 290Wh | V 1.106.58 |
| Range Extender 160Wh | V 1.106.58 |
TQ Release Package – July 15, 2025
Smartbox
- New control features via Shimano DI2 shift levers:
- Single click: Increase/decrease assist level
- Double click: Navigate forward/back in menu
- Long press: Toggle lights on/off
Battery
- All batteries now compatible with the compact 2A charger
- Improved SOC Precision after Bike hasn´t been ridden for a long time
- Improved temperature measurement & charging stability
- New: Storage Mode – (activated via app) protects battery during long-term storage (e.g. over winter)
- New: Softcharge Mode – extends battery life by gently charging at 2A
- Charger LED now indicates charge status or errors:
- Green = fully charged
- Red = charging error
Display (V01 & V02)
- SRAM AXS integration: Switch assist levels via shift levers
- Enhanced CAN and ANT+ communication
TQ E-Bike App (iOS & Android)
- Full support for SRAM sensors
- Softcharge & Storage Mode can now be activated via the app
- improved motor tuning screen
- Error codes now displayed directly in the app
- Various bug fixes
Display update - October 14, 2024: Display software version V.1.04.168
- Compatibility with the TQ app update
- Bug fixes
Battery update - September 02, 2024: Battery software version 1.104.33
- Reduced charging time by up to 30 % (depending on software version and battery type)
- Improved power supply at lower battery levels
- Battery provides life cycle data
Release package - June 04, 2024: General improvements - specific to Trek bikes
Bug fix for selected Trek models for the battery life data. Bugs “447F” and “045D” have been fixed by the update.
Update only for affected Trek models:
- Fuel EXe 20mph
- Fuel EXe 25kmh
- Fuel EXe 25kmh AXS
- NZ - Fuel EXe 32kmh
- US - Fuel Exe 20 mph AXS
Software versions:
Component Current version Battery 1.103.27 Range extender 1.103.27
Release package - March 11, 2024: “Ammersee”
New features:
- Setting the motor support levels via connected ANT+ devices
- Reduction of the maximum support speed per mode by the customer in the APP
- Display of the firmware versions of the individual e-components via the APP
- The help function of the APP can also be accessed without a bike connection
- E-System components support the new app functions
- General quality and performance improvements of all components and the APP
Note: The update of the e-components is a prerequisite for the described APP functions
Software versions:
Component Current version Engine 1.6.157 Battery 1.102.22 Range extender 1.102.22 Display 1.3.145 Smart Box 1.101.132
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