Shimano STEPS · General
E011 Shimano STEPS error code E011
System fault – no pedal assistance when riding
Per manufacturer documentation
Note
Per the E8000 manual. Other STEPS generations may differ.
Repair approach
- Restart the system with the power button. If the code reappears, contact your dealer.
Possible causes
General, component-based causes – not a manufacturer-specific statement.
- Connector or cable fault
- Internal component fault
- Software/configuration mismatch
Safe test steps
- Record the exact code and when it appears (power-up, load, charging).
- Power-cycle the system; remove/refit the battery; does the code return?
- Inspect external connectors and harness (breaks, corrosion, pushed-back pins).
Workshop reference values
- No general documented measurement value – manufacturer service documentation required.
Repair approach
- Repair or replace the faulty connector/cable.
- If the code persists: dealer diagnosis with the manufacturer tool.
Tools needed
- Digital multimeter (CAT III, fused inputs)
- Basic hand tools, insulated screwdrivers
- Manufacturer dealer diagnostic tool/software (if available)
Safety
- Power down (remove the battery) before unplugging connectors. Never apply pack voltage to data wires.
This information does not replace manufacturer service documentation. Work on batteries and high-voltage parts only with the appropriate expertise.
Related fault codes
E010System error detectedW010Drive unit temperature is higher than normalW011Travel speed cannot be detectedW013Torque sensor initialisation was not completed normallyW032Electronic derailleur may have been replaced with a mechanical oneE013Abnormality in drive unit firmwareE014Speed sensor may be installed in the wrong positionE020Communication error between battery and drive unit