DTC B15CC: Backup Battery Failure [01/2018 - ]: Description

This DTC is stored when the DCM (Telematics Transceiver) detects one of the following:

The mayday battery (back-up battery) voltage drops or the mayday battery (back-up battery) malfunctions.
The mayday battery (back-up battery) temperature is (temporarily) high.

DTC No.	Detection Item	DTC Detection Condition	Trouble Area
B15CC	Backup Battery Failure	Mayday battery (back-up battery) malfunction	Mayday battery (back-up battery) DCM (Telematics Transceiver)