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Home >> Mazda >> 2021 >> 3 Base >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Headlights >> On-Board Diagnostic - Adaptive Front Lighting System Control Module >> DTC U0126-87: Communication Error With Steering Angle Sensor [Adaptive Front Lighting System (AFS) Control Module] >> Outline

DTC U0126-87: Communication Error With Steering Angle Sensor [Adaptive Front Lighting System (AFS) Control Module]: Outline

DTC U0126:87 [ADAPTIVE FRONT LIGHTING SYSTEM (AFS) CONTROL MODULE] DETECTION CONDITION AND POSSIBLE CAUSE

System malfunction location Communication error with steering angle sensor
Detection condition
  • The adaptive front lighting system (AFS) control module cannot receive CAN signal from the steering angle sensor.
Fail-safe
  • The swivel actuator is moved to the center.
  • Control of the headlight auto leveling system is continued.
Possible cause
  • Malfunction in CAN communication line between steering angle sensor and adaptive front lighting system (AFS) control module
System wiring diagram Not applicable