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DTC B14F1-4A: Front Side Radar Sensor Matching Error

WARNING: This page is about a different car, the 2024 Mazda CX-30. However, it is still accessible from the selected car via links, so may be relevant.
B14F1: 4A (VCM) DETECTION CONDITION AND POSSIBLE CAUSE

System malfunction location Front side radar sensor matching error
Detection condition
  • The vehicle control module (VCM) detects a sensor different from the one equipped to the vehicle.
Fail-safe (See DTC TABLE [VCM] .)
Possible cause
  1. Internal malfunction related DTCs are stored in the following modules.
  2. DTCs are stored in the following modules.
  3. Incorrect assembly of front side radar sensor (LH)/(RH) (Refer to applicable FRONT SIDE RADAR SENSOR REMOVAL/INSTALLATION in the service information.)
  4. Front side radar sensor (LH) malfunction (Refer to applicable FRONT SIDE RADAR SENSOR REMOVAL/INSTALLATION in the service information.)
  5. Front side radar sensor (RH) malfunction (Refer to applicable FRONT SIDE RADAR SENSOR REMOVAL/INSTALLATION in the service information.)
  6. Vehicle control module (VCM) malfunction (built into body control module (BCM)) (Refer to applicable BODY CONTROL MODULE (BCM) REMOVAL/INSTALLATION in the service information.)
Repeatability verification procedure
  1. Clear the DTC recorded in the memory. (see CLEARING DTC .)
System wiring diagram
  • Not applicable