Self-Diagnostic Logic

SELF-DIAGNOSTIC LOGIC

DTC	Self-diagnosis name	DTC detecting condition	Possible causes
B2554	ACC POWER CIRCUIT	Though the changing control to ACC position by push-button ignition switch operation is performed normally, ACC position power supply to the Intelligent Key unit is not supplied The power supply position switching cannot be performed because the wake-up signal is not entered into PDU (Power Distribution Unit) during position changing control to ACC position by push-button ignition switch operation	Fuse Harness and connector (Open or shorted in the circuit)