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?
If a diagnostic trouble code other than U1170 is set, proceed to a relevant procedure (Refer to ). If diagnostic trouble code U1170 is not erased, replace the PHEV-ECU (Refer to ). The trouble can be an intermittent malfunction (Refer to GROUP 00, How to Cope with Intermittent Malfunction ).