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

Error 430 on Bosch Intuvia (2024, with ABS)

What it means + how to fix it From the manual

Quick answer

Error 430 on the Bosch Intuvia (BUI255), 2024 manual with ABS codes means “Internal battery of the on-board computer is flat.” Most likely cause: the battery needs charging. Try this first: fully charge the battery.

Bosch notes this does not apply to the Nyon (BUI350).

Try this first

Free, and each takes under 5 minutes.

Fully charge the battery
Check the battery's own switch or key
Reseat the battery

In plain English

The battery is reporting that its charge or voltage is too low to keep running the motor. Bafang's manuals give charging as the first fix. If a full charge doesn't clear it, the battery may be worn out, and that's a job for a shop.

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.

1Fully charge the batteryFree Plug in the charger and charge until it shows complete (usually a green light), then switch on and test again.
2Check the battery's own switch or keyFree Many batteries have a key or power button of their own that must be on. Make sure it's fully turned or pressed.
3Reseat the batteryFree Switch off and slide or lift the battery out of its mount. Wipe any dirt off the metal contacts on the battery and the mount, then put it back until it clicks and locks.
4Have the battery testedShop job A shop can test the battery and its protection circuit and tell you if it needs replacing. Never open the battery pack yourself.

Parts you might need

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Only buy a part if the free steps didn't fix it. Always match the voltage and connector type to your bike.

Replacement e-bike charger
Only if your charger is faulty. Must match your battery's voltage and plug type exactly.
Match your bike's model first. Ask a shop if unsure.
Replacement e-bike battery
Only if a shop confirms your battery is worn out or faulty. Must match voltage, mount and connector.
Match your bike's model first. Ask a shop if unsure.

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.