Code No. P1B00: Quick Charger battery Error

  • If there is any problem in the CAN bus lines, an incorrect diagnosis code may be stored. Prior to this diagnosis, diagnose the CAN bus lines (Refer to GROUP 54C - CAN Bus Diagnostics Table ).
  • Whenever ECU is replaced, ensure that the CAN bus lines are normal.


The PHEV-ECU stores diagnosis code No. P1B00 when an incorrect quick charger is used.


  • Malfunction of quick charger
  • The quick charger does not correspond to the CHAdeMO standard.
    note The Combo-compatible quick charger is not supported. Always use a CHAdeMO-compatible quick charger.
  • Malfunction of PHEV-ECU


1.M.U.T.-III CAN bus diagnostics.
2.Check whether the quick charger corresponds to the CHAdeMO standard.
3.Check the quick charger, and check whether the diagnosis code is stored again.

  • If the diagnosis code is stored, replace the PHEV-ECU (Refer to ).