Shimano Error Codes

Reviewed by certified eBike technicians · Last updated July 30, 2026

4 diagnostic codes for Shimano e-bike systems.

Error E010

Battery voltage abnormal — voltage outside safe operating range (below 30V or above 54V)

STePS E7000/E6100/E8000 Error W013

Walk assist error — walk assist mode not functioning or speed signal abnormal during walk mode

STePS E8000/E7000/E6100 Error E010

Motor system error — internal drive unit fault detected

STePS E7000/E6100/E8000 Error E013

Speed sensor abnormal — rear wheel speed signal lost or erratic

STePS E8000/E7000/E6100

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