What does Giant SyncDrive error code C3 mean?

Too much current into the battery while charging Use only the original Giant charger. If the code comes back, don’t charge and contact your dealer.

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

Giant SyncDrive error code C3

Too much current into the battery while charging

What you can check

Use only the original Giant charger. If the code comes back, don’t charge and contact your dealer.

A job for your dealer

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

Same part: Battery

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.