BLOCKING SYSTEM, Diagnostic DTC:B15EC

DTC Code DTC Name
B15EC Backup Battery Degradation

DESCRIPTION

This DTC is stored when the telephone transceiver assembly detects that the mayday battery is degraded.

DTC No.

Detection Item

DTC Detection Condition

Trouble Area

B15EC

Backup Battery Degradation

Mayday battery is degraded.

Mayday battery

CAUTION / NOTICE / HINT

Note:

  • When replacing the mayday battery, refer to the Service Bulletin.

  • When the mayday battery is replaced, perform the necessary registration procedures for the telephone transceiver. For details, refer to the Service Bulletin.

PROCEDURE

  1. REPLACE MAYDAY BATTERY

    1. Replace the mayday battery.

      Tip:

      Refer to the Service Bulletin.

    Result

    Proceed to

    NEXT
    NEXT

  2. CLEAR DTC

    1. Clear the DTCs.

      Click here

      Body Electrical > Telematics > Clear DTCs

    Result

    Proceed to

    NEXT
    NEXT

    END (MAYDAY BATTERY WAS DEFECTIVE)