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Home >> Mazda >> 2021 >> CX-30 Turbo >> Repair and Diagnosis >> External Pages >> Different car >> Section 52 (On-Board Diagnostic - Adaptive Front Lighting System Control Module) >> DTC U212D-87: Communication Error With Light Control Module (RH) (Adaptive Front Lighting System (AFS) Control Module) >> Outline
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DTC U212D-87: Communication Error With Light Control Module (RH) (Adaptive Front Lighting System (AFS) 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 U212D:87 (ADAPTIVE FRONT LIGHTING SYSTEM CONTROL MODULE) DETECTION CONDITION AND POSSIBLE CAUSE

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