DTC Summary

WARNING: This page is about a different car, the 2024 Lexus TX 550h+. However, it is still accessible from the selected car via links, so may be relevant.

MALFUNCTION DESCRIPTION
The charge control ECU built into the electric vehicle charger assembly detects when the sub DC/DC converter stops due to a malfunction.

The cause of this malfunction may be one of the following:

Sub DC/DC converter malfunction
- Electric vehicle charger assembly malfunction
Sub DC/DC converter AMD circuit malfunction
- AMD circuit fuse contact area malfunction
- Electric vehicle charger assembly connector contact area malfunction
- Wire harness malfunction

INSPECTION DESCRIPTION

System Diagram Range	Inspection Content	Reason
*a	Perform an open circuit inspection and check the condition of the AMD fuse contact area.	Perform an open circuit inspection and check whether AMD fuse is installed properly and check for open circuit.
*b	Check whether the electric vehicle charger assembly connector is connected.	Check whether the connectors are connected properly.
*c	Check for an open in the wire harness.	Open in wire harness.
*d	Replace electric vehicle charger assembly	Electric vehicle charger assembly internal malfunction