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

500 - Drive Unit Error

The motor/drive unit has detected a serious operating fault.

High severity Stop rideability Immediate urgency

What it means

The drive unit cannot safely provide support.

Common causes

  • Motor controller fault
  • Overheating
  • Firmware or sensor issue

Symptoms

  • No assist
  • Error at startup
  • Assist stops under load

How to fix it

  • Restart system
  • Check for overheating
  • Inspect connectors
  • Dealer diagnostic required
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