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2015 KIA FORTE
1.8L I4•FWD•AUTOMATIC•gas•G4NB
1 active safety recall on this vehicle — view recalls🏆Sponsored by Simon-Olivier Ricci
Repairs401Labor496Torque3402Fluid7DTC1080Battery1Maintenance0Recalls1
C0440critical severityChassis

Automatic Emergency Braking System Fault

on 2015 Kia Forte 1.8L I4 · FWD

What this code means

General malfunction in the automatic emergency braking system.

Symptoms

  • AEB warning light
  • Automatic braking disabled
  • Forward collision mitigation unavailable
  • Driver assist systems degraded

Common causes

  • Radar module fault
  • Camera system error
  • Brake system unable to support AEB
  • Module communication failure

Diagnostic steps

  1. Check for radar and camera codes
  2. Verify ABS/brake system is fully functional
  3. Test communication between AEB controller and brake module
  4. Inspect all AEB-related sensors
  5. Check for software updates

Repair notes

Diagnose root sensor or brake system fault. AEB relies on both detection and braking subsystems.

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