RideFixer

Giant (SyncDrive / RideControl) error code

Giant (SyncDrive / RideControl) error LED3: Speed sensor error

Medium severity Service soon

Can I ride home with this error?

Ride with caution. Safe to pedal; assist may be off.

What it means

Assist LED 3 blinking with the red error light means the system is not getting a correct speed signal.

Likely causes

  • Wheel magnet moved or missing
  • Sensor knocked or cable damaged

Symptoms

  • Red blinking LED 3
  • Speed missing or wrong
  • Assist may stop

How to fix it

  1. Check the wheel magnet is in place and lines up with the sensor.
  2. Switch the system off.
  3. Look for an obvious cause, such as a battery not fully clicked in.
  4. Fix it only if you can do so safely, then switch the system back on.
  5. If it is fixed, carry on and book a service check with a Giant dealer.
  6. If the issue keeps returning, stop riding and contact an authorised Giant dealer.
Still showing LED3? The RideFixer app finds bike shops near you, so you know where to take it.

How urgent is it?

Get the sensor checked if it repeats.

Applies to

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