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 Code DTC Detection Condition Trouble Area
B15EC Mayday battery is degraded. Mayday battery

INSPECTION PROCEDURE

Note


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

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

PROCEDURE


  1. REPLACE MAYDAY BATTERY


    1. Replace the mayday battery.

      Tech Tips

      Refer to the Service Bulletin.


    NEXT

  2. CLEAR DTC


    1. Clear the DTCs Click here.


    NEXT

    END (MAYDAY BATTERY WAS DEFECTIVE)