Shimano STEPS
Motor / drive
E013
Drive unit firmware abnormality
An abnormality was detected in the firmware of the drive unit and assist is disabled. The firmware must be restored with Shimano's E-TUBE diagnostic system, which is a dealer job. This error often follows a failed or interrupted firmware update.
- Drive system
- Shimano STEPS
- Category
- Motor / drive
- Motor behavior
- assist off
- DIY-friendly?
- shop recommended
Roadside self-help
- Restart the system once; if E013 returns, a dealer must restore the firmware via E-TUBE.
Possible causes
- Interrupted or failed firmware update high
- Corrupted firmware data in the drive unit medium
Symptoms
- No assist while riding
- Error often appears after an update attempt
Inspection / repair
- Difficulty: medium
- DIY: shop recommended
- dealer diagnostic tool required
- Component: drive unit
- Component: firmware
Applies to
E5000
E6000
E6100
E7000
E8000
EP8