RideFixerYamaha error code
Yamaha error 74: Battery fault
High severity Service soon
Can I ride home with this error?
Ride with caution. Assist is off; pedal home carefully.
What it means
The drive unit has detected a battery-related fault and stopped assist. The code is stored for the dealer.
Likely causes
- Battery or battery connection fault
Symptoms
- Code 74 shown
- Assist stops
How to fix it
- Turn the power off and on again.
- Remove and refit the battery so it locks fully in place.
- If the code comes back, stop using and charging the battery and see a Yamaha dealer. Never open the battery.
How urgent is it?
Have the battery checked by a dealer.
Applies to
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