DTC U3000-49: Control Module Internal Electronic Failure [08/2019 - ]: Contents

DTC No.	Detection Item	DTC Detection Condition	Warning Indicate	Memory	Fail-safe Operation	Note
U300049	Control Module Internal Electronic Failure	Headlight leveling ECU internal malfunction	Flash (Pattern 1)	Not applicable	Applicable	Drive cycle: Not applicable Self test type: CMDTC self test

DTC Detection Condition	Headlight leveling ECU internal malfunction
DTC Detection Condition	Watchdog timer overflow inside the headlight leveling ECU detected.
Fail-safe Operation	The headlight leveling actuator is stopped at the position when the malfunction is determined.
Trouble Area	Headlight leveling ECU internal malfunction