G-BOOK SYSTEM, Diagnostic DTC:B15EC

DTC Code DTC Name
B15EC Backup Battery Degradation

DESCRIPTION

If the mayday battery charge level becomes less than the criteria or an automatic call is made, this DTC will be stored.

DTC No. DTC Detection Condition Trouble Area
B15EC Mayday battery is depleted. Mayday battery

PROCEDURE


  1. CHECK DTC


    1. Clear the DTCs Click here.

    2. Recheck for DTCs and check that no DTCs are output.

      OK
      No DTCs are output.

    OK

    USE SIMULATION METHOD TO CHECK Click here

    NG

    REPLACE MAYDAY BATTERY Click here