DTC B10AD:86 Error Signal Received From Auto Light Sensor/Humidity Sensor/Rain Sensor: Notes

WARNING: This page is about a different car, the 2025 Mazda CX-5. However, it is still accessible from the selected car via links, so may be relevant.

DTC B10AD:86 (FRONT BODY CONTROL MODULE) DETECTION CONDITION AND POSSIBLE CAUSE

Description	Error signal received from auto light sensor/humidity sensor/rain sensor
Detection condition	Front body control module (FBCM) receives the error signals from the auto light sensor/humidity sensor/rain sensor for 5s continuously with the ignition switched ON (engine off or on).
Fail-safe	Not applicable
Possible cause	Auto light sensor/humidity sensor/rain sensor malfunction Front body control module (FBCM) malfunction
System wiring diagram	Not applicable