LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Mazda >> 2021 >> 3 Select, 4D Hatchback, AWD >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Collision/Avoidance >> On-Board Diagnostic - Vehicle Control Module (2 Of 2) >> DTC C1A67-78: Front Radar Sensor Optical Axis Deviation [Vehicle Control Module] >> Outline
April 5, 2026: LEMON Manuals is launched! Read the announcement.

DTC C1A67-78: Front Radar Sensor Optical Axis Deviation [Vehicle Control Module]: Outline

DTC C1A67:78 [VEHICLE CONTROL MODULE] DETECTION CONDITION AND POSSIBLE CAUSE

System malfunction location Front radar sensor optical axis deviation
Detection condition
  • The vehicle control module (VCM) detects that the front radar sensor optical axis is deviated while the vehicle is being driven.
Fail-safe (See DTC TABLE [VEHICLE CONTROL MODULE (US)] .)
Possible cause
  • Front radar sensor aiming adjustment malfunction (optical axis deviation)
  • Front radar sensor malfunction
  • Vehicle control module (VCM) malfunction (built into body control module (BCM))
System wiring diagram Not applicable
Connector diagram Not applicable