G-BOOK SYSTEM(w/ Telematics Transceiver), Diagnostic DTC:B15EC

DTC Code DTC Name
B15EC Backup Battery Degradation

DESCRIPTION

If the mayday battery gets low or automatic call is made, this DTC will be stored.

DTC No.

Detection Item

DTC Detection Condition

Trouble Area

B15EC

Backup Battery Degradation

Mayday battery is consumption.

Mayday battery

PROCEDURE

  1. CHECK DTC

    1. Clear the DTCs.

      Click here

      Body Electrical > Navigation System > Clear DTCs

    2. Recheck for DTCs and check if the same DTC is output again.

      Click here

      Body Electrical > Navigation System > Trouble Codes

    Result

    Result

    Proceed to

    B15EC is not output.

    A

    B15EC is output.

    B
    A

    USE SIMULATION METHOD TO CHECK

    Click here

    B

    REPLACE MAYDAY BATTERY

    Click here