DTC B124C-56; Turn Switch Internal Circuit Malfunction: Notes

WARNING: This page is about a different car, the 2017 Mazda 3. However, it is still accessible from the selected car via links, so may be relevant.

DETECTION CONDITION & POSSIBLE CAUSE

Description	Turn switch internal circuit malfunction
Detection condition	Start stop unit detects that the turn switch LH and RH are turned on simultaneously for 5 s or more.
Fail-safe	Not applicable
Possible cause	Start stop unit configuration error The installations of the light switch and the wiper and washer switch are reversed. Turn switch malfunction Start stop unit malfunction
System wiring diagram	Not applicable