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Home >> Mazda >> 2017 >> CX-3 Sport, AWD >> Repair and Diagnosis >> Accessories & Equipment >> Communication Devices >> On-Board Diagnostic - Body Control Module >> DTC U0515-41; Error Signal Received From Start Stop Unit >> Notes
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DTC U0515-41; Error Signal Received From Start Stop Unit: Notes

DTC U0515-41; ERROR SIGNAL RECEIVED FROM START STOP UNIT - DETECTION CONDITION & POSSIBLE CAUSE

Description Error signal received from start stop unit
Detection condition
  • Check sum error occurred on communication with the BCM and the start stop unit 3 times continuously with the ignition switched ON (engine off or on).
Fail-safe Exterior lighting system
  • Turn the TNS (parking lights) and headlights LO on, and turn off other exterior light controls.

    Auto light system

  • Continue the controls prior to the auto light malfunction detection. Windshield wiper system
  • Continue the controls prior to the windshield wiper malfunction detection. Front washer system
  • Stop the front washer control.

    Auto wiper system

  • Continue the controls prior to the windshield wiper malfunction detection.
Possible cause
  • Start stop unit malfunction
  • BCM malfunction
System wiring diagram Not applicable