DTC B10AD-86: Auto Wiper Control Request Signal Error (BCM): Notes

WARNING: This page is about a different car, the 2020 Mazda MX-5 Miata. However, it is still accessible from the selected car via links, so may be relevant.

DTC B10AD:86 (BCM) DETECTION CONDITION AND POSSIBLE CAUSE

Description	Auto wiper control request signal error
Detection condition	BCM receives the error signals from the auto light sensor/rain sensor for 5 s or more with the ignition switched ON (engine off or on).
Fail-safe	Auto wiper system Continue the controls prior to the wiper malfunction detection.
Possible cause	Auto light sensor/rain sensor malfunction BCM malfunction
System wiring diagram	Not applicable