Code No. P1C26: DCDC Hunting Abnormal




TROUBLE JUDGEMENT


Check Condition
  • The PHEV-ECU allows the DC-DC converter to operate.
Judgement Criterion
  • Hunting is detected.

FAIL-SAFE AND BACKUP FUNCTION



  • The output of DC-DC converter continues.

PROBABLE CAUSE



  • The on board charger/DC-DC converter is failed.

DIAGNOSIS PROCEDURE


STEP 1. M.U.T.-III diagnosis code


Q. Is the diagnosis code stored?

Replace the on board charger/DC-DC converter.
Intermittent malfunction (Refer to GROUP 00 - How to Use Troubleshooting/Inspection Service Points - How to Cope with Intermittent Malfunctions ).