DTC U3000-42: AFS Control Module Internal Malfunction: Notes

WARNING: This page is about a different car, the 2018 Mazda 6. However, it is still accessible from the selected car via links, so may be relevant.

DTC U3000:42 ADAPTIVE FRONT LIGHTING SYSTEM (AFS) CONTROL MODULE DETECTION CONDITION AND POSSIBLE CAUSE

Description	AFS Control Module Internal Malfunction
Detection condition	Malfunction in the AFS control module internal EEPROM is detected.
Fail-safe	The swivel actuator is moved to the center. The headlight leveling actuator is stopped at the position when the malfunction is determined.
Possible cause	AFS control module internal malfunction
System wiring diagram	Not applicable