What does Giant SyncDrive error code 3A mean?

The motion sensor in the motor failed its self-test Switch the bike off and on again. If the code comes back, your dealer needs to look at it.

Giant SyncDrive · Sensor · Service codes (Giant Service Tool, 2020 models)

Giant SyncDrive error code 3A

The motion sensor in the motor failed its self-test

What you can check

Switch the bike off and on again. If the code comes back, your dealer needs to look at it.

A job for your dealer

Trolda reads live data from Giant SyncDrive bikes. What Trolda shows on your bike

Same part: Sensor

All Giant SyncDrive error codes

Sources

Giant MY20 G-System Service Manual (error code table, pp. 84–85) (2020)

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.

Trolda for your e-bike

Trolda connects to your Giant SyncDrive bike and shows what you did, what the motor did, and what it cost the battery.

Get Trolda

Trolda is in open testing on iPhone and Android. You get the app through our tester page, it takes a minute.