RideFixer app
RideFixer Android App Scan errors, compare sounds and diagnose e-bike issues on your phone.
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Bafang Error Code

12 - Current Sensor Error

Controller current measurement is abnormal.

High severity Stop rideability Immediate urgency

What it means

Controller cannot safely measure motor current.

Common causes

  • Controller fault
  • Short circuit
  • Internal sensor failure

Symptoms

  • No assist
  • Error on throttle
  • Controller protection

How to fix it

  • Stop riding
  • Check wiring shorts
  • Replace/service controller
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