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DTC U212D-87: Communication Error With Light Control Module (RH) [Adaptive Front Lighting System (AFS) Control Module]
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.
U212D: 87 (ALH/AFS/ALV) DETECTION CONDITION AND POSSIBLE CAUSE
| System malfunction location |
Communication error with light control module (RH) |
| Detection condition |
- The auto leveling control module/adaptive front lighting system (AFS) control module/adaptive LED headlights control module cannot receive CAN signal from the light control module (RH).
|
| Fail-safe |
- Control of the headlight auto leveling system is continued.
- Turn off adaptive LED headlights. (with adaptive LED headlights)
- Control of front combination light (LH) except for adaptive LED headlights is continued. (with adaptive LED headlights)
- Set wide-range low beam as basic light distribution. (with adaptive LED headlights)
|
| Possible cause |
- Malfunction in CAN communication line between light control module (RH) and auto leveling control module/adaptive front lighting system (AFS) control module/adaptive LED headlights control module
|
| Repeatability verification procedure |
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| System wiring diagram |
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