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Bosch error code

Bosch error 431003: On-board computer software error

Medium severity Service soon

Can I ride home with this error?

Ride with caution. Assistance may be switched off, but Bosch says you can always keep pedalling without the motor.

What it means

The on-board computer has detected a software error. The display may go black.

Likely causes

  • Display software error

Symptoms

  • Code 431003
  • Display black

How to fix it

  1. Switch the eBike system off, wait a few seconds, then switch it on again.
  2. Open the eBike Flow app to see the full error message and update the software if an update is offered.
  3. If the code comes back, contact your Bosch eBike dealer.
Still showing 431003? The RideFixer app finds bike shops near you, so you know where to take it.

How urgent is it?

Restart first; see a Bosch eBike dealer if it keeps coming back.

Applies to

  • Bosch Smart System (Kiox 300/500, Purion 200/400, Intuvia 100, LED Remote, System Controller)
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