C0145high severityChassis

Brake Assist System Malfunction

on 2015 Kia Forte 1.8L I4 · FWD

What this code means

The emergency brake assist system that provides additional braking force during panic stops has malfunctioned.

Symptoms

  • Brake assist warning light
  • Reduced braking force during emergency stops
  • ABS light may also be on

Common causes

  • Brake pedal position sensor fault
  • Brake pressure sensor malfunction
  • ABS module failure
  • Brake booster assist solenoid fault

Diagnostic steps

  1. Test brake pedal position sensor operation
  2. Check brake pressure sensors
  3. Perform emergency stop test and observe brake assist activation
  4. Inspect brake booster assist solenoid if equipped
  5. Check for related pedal sensor codes

Repair notes

Diagnose root sensor or actuator fault. Brake assist uses data from multiple sensors.

Other Chassis codes on this vehicle

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