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Home >> Mazda >> 2021 >> CX-3 AWD >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Drivers Assistance Systems - ADAS >> On-Board Diagnostic - Radar Unit >> DTC U0515-00: Error Signal Received From Start Stop Unit (Radar Unit) >> Notes
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DTC U0515-00: Error Signal Received From Start Stop Unit (Radar Unit): Notes

DTC U0515:00 (RADAR UNIT) DETECTION CONDITION AND POSSIBLE CAUSE

System malfunction location Error signal received from start stop unit
Detection condition  
  • Communication error between start stop unit and radar unit
Fail-safe  
  • Inhibits the Mazda radar cruise control (MRCC) system control
  • Inhibits the smart brake support (SBS) system control (1)
  • Inhibits the distance recognition support system (DRSS) control
Possible cause  
  • Start stop unit malfunction
  • Radar unit malfunction
System wiring diagram  
  • Not applicable
(1) Enabled depending on malfunction content.