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Home >> Mazda >> 2019 >> CX-9 Signature >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Drivers Assistance Systems - ADAS >> On-Board Diagnostic - Blind Spot Monitoring Control Module >> DTC U3000-97: Radar Performance Malfunction [Blind Spot Monitoring (BSM) Control Module] >> Notes
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DTC U3000-97: Radar Performance Malfunction [Blind Spot Monitoring (BSM) Control Module]: Notes

DTC U3000:97 [BLIND SPOT MONITORING (BSM) CONTROL MODULE] DETECTION CONDITION AND POSSIBLE CAUSE

Description Radar performance malfunction
Detection condition
  • Blind spot monitoring (BSM) control module internal radar sensor sensitivity is decreased.
  • Blind spot monitoring (BSM) control module internal radar sensor axis is deviated.
Fail-safe
  • Blind spot monitoring (BSM) system is stopped.
Possible cause
  • Rear bumper malfunction (Dirt or foreign material (reflective object) is adhered.)
  • Blind spot monitoring (BSM) control module malfunction (Dirt or foreign material (reflective object) is adhered.)
  • Concavity and convexity on the surface of the repaired rear bumper
  • Blind spot monitoring (BSM) control module malfunction
System wiring diagram Not applicable