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2024 MINI COOPER SE
Electric•FWD•AUTOMATIC•ev
2 active safety recalls on this vehicle — view recalls
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Repairs0Labor318Torque4657Fluid5DTC1125Battery1Maintenance0Recalls2
C0121high severityChassis

Electronic Parking Brake Motor Overcurrent

on 2024 Mini Cooper SE Electric · FWD

What this code means

The EPB motor is drawing more current than the module can supply.

Symptoms

  • EPB warning light
  • Parking brake partially applied
  • Grinding noise when EPB activates
  • EPB applies slowly

Common causes

  • EPB motor seized or binding
  • Brake caliper seized
  • EPB cable or mechanism corroded
  • Motor brushes worn

Diagnostic steps

  1. Command EPB apply and release, monitor current draw
  2. Inspect rear brake calipers for binding
  3. Check EPB mechanism for corrosion
  4. Test motor current draw with ammeter
  5. Lubricate EPB mechanism if accessible

Repair notes

Replace EPB motor or caliper if mechanism is seized. Clean and lubricate if corrosion is the cause.

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🔧 Database maintained under the daily editorial review of Chris Hackleman · Master Technician · 20+ years and Jeff Moore · Master Mechanic · 20+ years. Spot an error? Use the Help link above — a human reads every report.
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