DTC U250B-41: Error Signal Received From Body Control Module (BCM) [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.
U250B: 41 (ALH/AFS/ALV) DETECTION CONDITION AND POSSIBLE CAUSE
| System malfunction location |
Error signal received from body control module (BCM) |
| Detection condition |
- The auto leveling control module/adaptive front lighting system (AFS) control module/adaptive LED headlights control module received error signal (sum error) from the body control module (BCM).
|
| Fail-safe |
- The headlight leveling actuator is stopped at the position when the malfunction is determined.
- Turn off adaptive LED headlights.
- Turn off wide-range low beam.
|
| Possible cause |
- DTCs are stored in the body control module (BCM). (See DTC TABLE [BCM]
.)
- Body control module (BCM) malfunction (Refer to applicable BODY CONTROL MODULE (BCM) REMOVAL/INSTALLATION
in the service information.)
- Auto leveling control module/adaptive front lighting system (AFS) control module/adaptive LED headlights control module malfunction (Refer to applicable ADAPTIVE FRONT LIGHTING SYSTEM (AFS) CONTROL MODULE REMOVAL/INSTALLATION
in the service information.)
|
| Repeatability verification procedure |
- Clear the DTC recorded in the memory. (see CLEARING DTC
.)
|
| System wiring diagram |
|