67 | Battery - Battery is empty

Written by Alex Kovell

Last published at: September 9th, 2025

Description

When the battery charge is empty and the system detects empty capacity for more than 10 seconds, it will report error code 67. Under this circumstance, your bike is unable to operate. It is strongly advised to promptly locate a charging facility and recharge the battery immediately to ensure the continued normal operation of the bike. Leaving the battery in a depleted state for an extended period may lead to permanent damage to the battery cells.

⚠️Triggers of Error Code

The following are possible causes of error code 67:

  • The battery is empty (reach to 2%)

⚠️Warning

When the system displays error code 67, it often accompanies error code 66, indicating a low/empty battery state.

1 Charge the Battery

Charge the e-bike until the battery reaches over 10%, making sure the charger indicator turns red and the battery level increases. Then, reboot the e-bike to check if the error code still exists. If charging fails or the charger indicator displays an abnormal status, proceed to the next step.

 
 

2 Replace the charger if it doesn't work properly

Replace the charger with a new spare and charge the e-bike until the battery reaches over 10%. Then, reboot the e-bike to check if the error code still exists. If charging fails or the error persists, proceed to the next step.

 
 

3 Check the Charging Port

If the e-bike's battery is charged through a charging port on the frame rather than directly plugging the charger into the battery, replace the charging socket with a new spare, then reboot the e-bike to check if the error code still exists. If this doesn't fix the issue, proceed to the next step.

 
 

4 Connect the bike to DST and update Battery Firmware

Connect the e-bike to the Trek Dealer Service Tool and update the [Battery] firmware to the latest version. Then, reboot the e-bike to check if the error code still exists. If charging fails or the error persists, proceed to the next step.

 
 

5 Replace the Battery

Replace the [Battery] with a new spare, then reboot the e-bike to check if the error code still exists. If this doesn't fix the issue, proceed to the next step.

 
 

6 Reach out to the Service Team if you need additional support!

Contact Customer Care or the Hyena Service Center for further technical assistance.

 
 

 


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