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2008 MITSUBISHI LANCER
2.4L I4•FWD•AUTOMATIC•gas
5 active safety recalls on this vehicle — view recalls
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Repairs0Labor496Torque2180Fluid7DTC1050Battery1Maintenance0Recalls5
C0086moderate severityChassis

Master Cylinder Pressure Sensor Circuit Low

on 2008 Mitsubishi Lancer 2.4L I4 · FWD

What this code means

Low voltage from the master cylinder brake pressure sensor, indicating a circuit fault.

Symptoms

  • ABS light on
  • Stability control disabled
  • Brake assist may not function
  • Regenerative braking malfunction on hybrids

Common causes

  • Sensor short to ground
  • Faulty pressure sensor
  • Connector pin damage
  • Low battery voltage to sensor

Diagnostic steps

  1. Test sensor supply voltage
  2. Check signal wire for shorts to ground
  3. Inspect sensor connector
  4. Test sensor output while pressing brake pedal
  5. Check for related ABS module codes

Repair notes

Replace master cylinder pressure sensor. Verify supply voltage.

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