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2023 MAZDA MAZDA3

2.0L I4AWDAUTOMATICgas
Repairs0Labor511Torque3820Fluid9DTC919Battery0Maintenance0Recalls0
C0240high severityChassis

Active Steering System Malfunction

on 2023 Mazda Mazda3 2.0L I4 · AWD

What this code means

General fault in the active steering system that adjusts steering ratio based on vehicle speed.

Symptoms

  • Active steering warning light
  • Fixed steering ratio
  • Steering feels different at various speeds
  • Driver assist features limited

Common causes

  • Active steering motor failure
  • Control module fault
  • Position sensor malfunction
  • CAN communication error

Diagnostic steps

  1. Scan for active steering module codes
  2. Test active steering motor
  3. Check CAN communication to module
  4. Inspect wiring and connectors
  5. Test position feedback sensors

Repair notes

Diagnose specific active steering component. System defaults to fixed ratio when faulted.

Other Chassis codes on this vehicle

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