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Home >> Mazda >> 2021 >> 3 Base >> Repair and Diagnosis >> Accessories & Equipment >> Drivers Assistance Systems - ADAS >> Symptom Troubleshooting - Smart Brake Support (Rear) (SBS-R) >> Smart Brake Support (Rear) (SBS-R) Operates >> Outline
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Smart Brake Support (Rear) (SBS-R) Operates: Outline

SMART BRAKE SUPPORT (REAR) (SBS-R) OPERATES DESCRIPTION AND POSSIBLE CAUSE

Description  
  • The brake operates unintentionally.
Possible cause  
  • Scratches or dirt on ultrasonic sensor or rear mount camera
  • PCM malfunction
  • TCM malfunction
  • DSC HU/Control Module malfunction
  • Ultrasonic sensor malfunction
  • Rear mount camera malfunction
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