RideFixer

Bosch error code

Bosch error 525003: Speed signal manipulation detected

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 system suspects the speed signal has been tampered with and runs in limp-home (reduced) mode.

Likely causes

  • Tuning device fitted
  • Magnets in the wrong position

Symptoms

  • Code 525003
  • Reduced assistance (limp-home mode)

How to fix it

  1. Make sure nothing on the bike has been tampered with; remove any tuning device.
  2. Check the magnets are positioned correctly.
  3. Switch the eBike system off, wait a few seconds, then switch it on again.
  4. If the code comes back, contact your Bosch eBike dealer.
Still showing 525003? 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

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