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2003 MITSUBISHI MONTERO SPORT
3.0L V6•RWD•AUTOMATIC•gas
2 active safety recalls on this vehicle — view recalls
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Repairs0Labor499Torque688Fluid7DTC1659Battery1Maintenance0Recalls2
P0573moderate severityPowertrain

Cruise Control/Brake Switch A Circuit High

on 2003 Mitsubishi Montero Sport 3.0L V6 · RWD

What this code means

The PCM sees a high voltage on the cruise control brake switch A circuit. The brake switch signal is out of the expected range, which can disable cruise control.

Symptoms

  • Cruise control disabled
  • Brake lights may misbehave
  • Warning light on

Common causes

  • Faulty brake switch
  • Misadjusted brake pedal switch
  • Short to voltage in circuit
  • Damaged wiring or connector

Diagnostic steps

  1. Read codes and freeze-frame data
  2. Check brake switch adjustment
  3. Measure brake switch circuit voltage
  4. Replace or adjust switch as needed
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