Bosch Intuvia (BUI255) error codes, 2024 manual with ABS codes · Bosch Intuvia (2024, with ABS)

Error 860 on Bosch Intuvia (2024, with ABS)

What it means + how to fix it From the manual

Quick answer

Error 860 on the Bosch Intuvia (BUI255), 2024 manual with ABS codes means “Fault in the power supply.” Most likely cause: a fault in the ABS (anti-lock braking system), its wheel speed sensors or their wiring. Try this first: turn it off and on again.

Printed together with 861.

Try this first

Free, and each takes under 5 minutes.

Turn it off and on again

In plain English

Some e-bikes have ABS, which stops a wheel locking when you brake hard. This code means the ABS found a fault and may not work until it's fixed. Brake gently and carefully, and have a dealer for your bike's system check it.

Step-by-step checklist

Work from the top. Steps go from free and easy to shop jobs. Switch the bike off before touching any connector. Tick each step as you go. Your progress is saved on this device.

1Turn it off and on againFree Switch the display off, wait 30 seconds, then switch it back on. If the code clears, note what you were doing when it appeared, in case it comes back.
2Have a dealer check the ABSShop job ABS faults need a dealer for your bike's system, who can read the fault and test the sensors and wiring. Don't try to repair ABS parts yourself.

Still not fixed?

Pages to try next:

When it's time for a shop: if you've worked through every step and the problem is still there, take the bike to an e-bike shop. Bring your notes on when it happens, plus the code.