DTC C1A67-92; Radar Unit Sensitivity Lowered: 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	Radar unit sensitivity lowered
Detection condition	Radar unit sensitivity decreases.
Fail-safe	Inhibits the mazda radar cruise control (MRCC) system control Inhibits the smart brake support (SBS) system control Inhibits the distance recognition support system (DRSS) control
Possible cause	Dirt, snow, or thick moisture film (such as condensation) is adhering to surface of radar unit or radiator grille ornament Reflective object is adhering to radar unit surface and the area around it Radar unit malfunction
System wiring diagram	Not applicable