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Error code library

E-bike error codes

The same number means different things on different bikes, so start with your motor system. The brand is usually printed on the motor, the display or the battery, and it's often not the bike's brand.

Bosch 3-digit error codes40 codes so far · Bosch drive systems that show 3-digit codes on Intuvia, Kiox, Purion, Nyon or SmartphoneHub displays. Bafang display error codes35 codes so far · Bikes with a Bafang display (the Bafang name or logo is usually on the display or its back), on Bafang mid-drive and hub-motor systems.
Shimano STEPS / EPComing next. For now, see Shimano's manuals. W codes are warnings; E codes are errors.
Everything elseNot yet, and we won't guess. Check your display's manual, or send us a photo.

Not sure what's wrong? Try the step-by-step checks.