DTC U3000-44: Control Module Data Memory Failure [07/2015 - ]: Contents

DTC No.	Detection Item	DTC Detection Condition	Warning Indicate	Memory	Fail-safe Operation	Note
U300044	Control Module data memory failure	Main body ECU internal malfunction	Not applicable	DTC Stored	Applicable	Drive cycle: Not applicable Self test type:CMDTC self test, ODDTC self test

Description	Main body ECU internal malfunction
Detection condition	Main body ECU detects the internal malfunction with the ignition switched ON (engine off or on).
Fail-safe	Exterior lighting system Turn the TNS (Parking Lights) and headlights LO on, and turn off other exterior light controls. Windshield wiper system Continue the controls prior to the windshield wiper malfunction detection.
Possible cause	HINT: If the negative battery cable is disconnected, this DTC may be output. Main body ECU malfunction