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Home >> Mazda >> 2022 >> CX-30 Select >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Headlights >> On-Board Diagnostic - Adaptive Led Headlights Control Module >> DTC U212D-87: Communication Error With Light Control Module (RH) >> Outline
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DTC U212D-87: Communication Error With Light Control Module (RH) : Outline

DTC U212D:87 (ADAPTIVE LED HEADLIGHTS CONTROL MODULE) DETECTION CONDITION AND POSSIBLE CAUSE

System malfunction location Communication error with light control module (RH)
Detection condition
  • The adaptive LED headlights control module cannot receive CAN signal from the light control module (RH).
Fail-safe
  • Turn off adaptive LED headlights.
  • Control of front combination light (RH) except for adaptive LED headlights is continued.
  • Set wide-range low beam as basic light distribution.
  • Control of the headlight auto leveling system is continued.
Possible cause
  • Malfunction in CAN communication line between light control module (RH) and adaptive LED headlights control module
System wiring diagram Not applicable