Using scan tool (M.U.T.-IIISE), check whether the DTC is set again.
Recheck the DTC.(1) Erase the DTC.
(2) Turn off the power supply mode of the electric motor switch.
(3) Turn on the power supply mode of the electric motor switch.
(4) Check the DTC.
Is the DTC set?
Replace the PHEV-ECU (Refer to ). The trouble can be an intermittent malfunction (Contact failure of connector and semi-break of harness on LIN bus line between PHEV-ECU and BMU) (Refer to GROUP 00, How to Cope with Intermittent Malfunction ).