DTC B15CC-49: Backup Battery Internal Electronic Failure [09/2019 - 04/2020]: Description
WARNING: This page is about a different car, the 2020 Toyota Corolla. However, it is still accessible from the selected car via links, so may be relevant.
This DTC is set when the DCM (telematics transceiver) 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-49 | Backup Battery Internal Electronic Failure | BUB (Back-Up Battery) malfunction |
|