Shimano STEPS · Torque sensor
W013 Shimano STEPS error code W013
Torque sensor initialisation was not completed normally
Per manufacturer documentation
Note
Meaning may depend on model, display and firmware – verify with the manual of the exact type.
Possible causes
General, component-based causes – not a manufacturer-specific statement.
- Torque sensor calibration/initialisation error
- Load on the pedal at power-up
- Sensor or cable fault
Safe test steps
- No foot on the pedal at power-up; restart.
- Mechanical condition of crank/axle.
Workshop reference values
- Do not apply universal voltage values to an unknown sensor.
Repair approach
- Manufacturer calibration procedure; persistent fault: dealer.
Tools needed
- Manufacturer dealer diagnostic tool/software (if available)
- Basic hand tools, insulated screwdrivers
Safety
- For tests with a spinning wheel use a secure work stand with the driven wheel raised.
This information does not replace manufacturer service documentation. Work on batteries and high-voltage parts only with the appropriate expertise.
Related fault codes
W010Drive unit temperature is higher than normalW011Travel speed cannot be detectedW032Electronic derailleur may have been replaced with a mechanical oneE010System error detectedE013Abnormality in drive unit firmwareE014Speed sensor may be installed in the wrong positionE020Communication error between battery and drive unitE021Connected battery conforms to the standard but is not supported