Some customers may complain about instrument cluster warning message "Auto Light System Malfunction.Turn...
Mazda technical service bulletin SA-035-19 for 2019 Mazda MAZDA3.
- Bulletin number
- SA-035-19
- Component
- Electrical system
- Summary
- Some customers may complain about instrument cluster warning message "Auto Light System Malfunction.Turn On/Off Lights Manually". DTC B10AD:09 (Humidity sensor/solar radiation sensor/auto light sensor/rain sensor malfunction) may be stored and the exterior light warning indicator light may be ON. This can sometimes be duplicated after the vehicle is parked under the hot sun for a period of time. If the rain sensor detects temperature higher than the operation range, the auto light system temporarily stops and the exterior light warning indicator light turns ON. The auto light system starts to operate normally after the interior temperature drops.
Owners of these vehicles have filed 11 complaints in the electrical category.
Vehicles covered
- Mazda MAZDA3 2019 2019
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