DTC B15CC: Backup Battery Failure [11/2018 - 10/2019]: Description

This DTC is set when the DCM (Telephone Transceiver Assembly) detects one of the following:

The BUB (Back-Up Battery) voltage drops or the BUB (Back-Up Battery) malfunctions.
The BUB (Back-Up Battery) temperature is (temporarily) high.

DTC No.	Detection Item	DTC Detection Condition	Trouble Area
B15CC	Backup Battery Failure	BUB (Back-Up Battery) malfunction	BUB (Back-Up Battery) DCM (Telephone Transceiver Assembly)