Yamaha PW · Motor · Number code (Display A and C)
Yamaha PW error code 66
Memory fault in the drive unit’s controller (stored data can’t be read)
What you can check
Switch the bike off and on again. If the fault comes back, your dealer needs to look at it.
Dealer if the fault comes back
Trolda cannot read Yamaha PW motors yet. The code list is here to help you anyway.
Same part: Motor
Sources
Explained in Trolda's own words from the manufacturer's public documentation. Trolda is not affiliated with the manufacturer. If in doubt, ask your dealer.
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Trolda logs your rides with GPS on any e-bike, and reads motor and battery data from the systems it supports.
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