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Home >> Mazda >> 2021 >> CX-3 AWD >> Repair and Diagnosis >> Accessories & Equipment >> Communication Devices >> On-Board Diagnostic - Body Control Module >> DTC B10AD-49: Auto Light Sensor/Rain Sensor Internal Malfunction (BCM) >> Notes

DTC B10AD-49: Auto Light Sensor/Rain Sensor Internal Malfunction (BCM): Notes

DTC B10AD:49 (BCM) DETECTION CONDITION AND POSSIBLE CAUSE

Description Auto light sensor/rain sensor internal malfunction
Detection condition
  • The BCM received auto light sensor/rain sensor error signals from the auto light sensor/rain sensor 10 times continuously with the ignition switched ON (engine off or on).
Fail-safe Auto light system
  • Continue the controls prior to the auto light malfunction detection.

Auto wiper system
  • Continue the controls prior to the windshield wiper malfunction detection.
Possible cause
  • Auto light sensor/rain sensor malfunction
  • BCM malfunction
System wiring diagram Not applicable