DTC U0122-87: COMMUNICATION ERROR WITH DSC HU/Control Module [AUTO LEVELING CONTROL MODULE (US)]: Outline

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DTC U0122:87 (AUTO LEVELING CONTROL MODULE - US) DETECTION CONDITION AND POSSIBLE CAUSE

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