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Home >> Mazda >> 2021 >> 6 Signature >> 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

Description 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 *1

    *1 : Enabled depending on malfunction content.

Possible cause
  • DTCs are stored in the start stop unit.
    • Start stop unit malfunction
    • Radar unit malfunction
System wiring diagram Not applicable