DTC B14F1-87: Communication Error With Vehicle Control Module (VCM) And Front Side Radar Sensor (LH) [Vehicle Control Module]: Outline

WARNING: This page is about a different car, the 2021 Mazda 3. However, it is still accessible from the selected car via links, so may be relevant.

DTC B14F1:87 [VEHICLE CONTROL MODULE] DETECTION CONDITION AND POSSIBLE CAUSE

System malfunction location	Communication error with vehicle control module (VCM) and front side radar sensor (LH)
Detection condition	The vehicle control module (VCM) detects that the front side radar sensor (LH) received a communication error with the vehicle control module (VCM) for 15 s.
Fail-safe	(See DTC TABLE [VEHICLE CONTROL MODULE (US)] .)
Possible cause	Malfunction in CAN communication line between vehicle control module (VCM) and front side radar sensor (LH) Malfunction in CAN communication line related to vehicle control module (VCM) Front side radar sensor (LH) malfunction Vehicle control module (VCM) malfunction (built into body control module (BCM))
System wiring diagram	Not applicable
Connector diagram	Not applicable