DTC B14F1-4B: Front Side Radar Sensor (LH) Or (RH) Internal Temperature Abnormality [Vehicle Control Module]: Outline

WARNING: This page is about a different car, the 2020 Mazda CX-30. However, it is still accessible from the selected car via links, so may be relevant.

DTC B14F1:4B (VEHICLE CONTROL MODULE) DETECTION CONDITION AND POSSIBLE CAUSE

System malfunction location	Front side radar sensor (LH) or (RH) internal temperature abnormality
Detection condition	The vehicle control module (VCM) detects that the front side radar sensor (LH) or (RH) internal temperature is abnormally high for 12 s.
Fail-safe	(See DTC TABLE [VEHICLE CONTROL MODULE (US)] .)
Possible cause	Temporary increase in front side radar sensor (LH) or (RH) internal temperature Front side radar sensor (LH) malfunction Front side radar sensor (RH) malfunction Vehicle control module (VCM) malfunction (built into body control module (BCM))
System wiring diagram	Not applicable
Connector diagram	Not applicable