With Mazda M Hybrid: Outline

DTC U0001:88 (AUTO LEVELING CONTROL MODULE) DETECTION CONDITION AND POSSIBLE CAUSE

System malfunction location	Communication error with electronically controlled brake unit
Detection condition	The auto leveling control module cannot receive CAN signal from the electronically controlled brake unit.
Fail-safe	The headlight leveling actuator is stopped at the position when the malfunction is determined.
Possible cause	Malfunction in CAN communication line between electronically controlled brake unit and auto leveling control module
System wiring diagram	Not applicable