C0141high severityChassis

EBD Brake Pressure Sensor Correlation

on 2012 Mazda Mazda3 2.0L I4 · FWD

What this code means

The brake pressure sensors used for electronic brake force distribution are not correlating properly.

Symptoms

  • ABS light on
  • EBD warning
  • Braking feel inconsistent

Common causes

  • Pressure sensor drift
  • Air in brake hydraulic system
  • Master cylinder internal bypass
  • Sensor wiring fault

Diagnostic steps

  1. Compare front and rear pressure sensor readings
  2. Bleed brake system
  3. Test individual pressure sensors
  4. Check for master cylinder leaks
  5. Inspect sensor wiring

Repair notes

Bleed brake system. Replace faulty pressure sensor or master cylinder.

Other Chassis codes on this vehicle

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