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Yamaha PW error codes
17 codes. Tap a code for meaning, causes and the fix.
All Yamaha PW codes
- E1 – Speed sensor error Fix at home
- E2 – Torque sensor error Fix at home
- E3 – Drive unit internal error Dealer needed
- E4 – Motor / drive unit fault Dealer needed
- E5 – Drive unit temperature error Warning
- E6 – Battery communication error Fix at home
- E7 – Battery abnormality Dealer needed
- E8 – Battery voltage abnormal Dealer needed
- E10 – Display communication error Fix at home
- E11 – Switch unit error Fix at home
- E12 – Display firmware / internal error Dealer needed
- E20 – Speed sensor signal abnormal Fix at home
- E21 – Crank / cadence sensor error Fix at home
- E30 – Battery not recognised Dealer needed
- E40 – System / communication error Fix at home
- E41 – Firmware / configuration error Dealer needed
- E42 – Light / accessory circuit error Fix at home
Still stuck? Take a photo of the display and show it to a local e-bike workshop. Bring the bike's system name (e.g. Bosch Performance Line CX) and the exact code; that saves diagnostic time and money.