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Bosch Smart System · ABS · Error

Bosch Smart System error code 800004

The ABS control unit isn’t working, so ABS is unavailable

What you can check

Update the bike in eBike Flow, then switch it off and on again.

Dealer if the fault comes back

Trolda reads live data from Bosch Smart System bikes. What Trolda shows on your bike

Same part: ABS

Trolda for your e-bike

Trolda connects to your Bosch Smart System 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.