VCBATT_a189 — IBSMIA
Full alert identifier: VCBATT_a189_IBSMIA
Alert description
One or more of the serial peripheral interface (SPI) messages the vehicle controller receives periodically from the Intelligent Battery Sensor (IBS) is not received, indicating the IBS may be unavailable (MIA).
Potential impact
The vehicle may not sleep, and the low voltage (LV) battery may be overcharged or undercharged.
Set condition
The vehicle controller does not receive one or more of the expected SPI messages from the IBS within the expected time frame.
Clear condition
The vehicle controller starts receiving the expected SPI messages from the IBS.
Check other alerts
With Service Mode Plus enabled, open Service Alerts → All. Review the other alerts for clues to the cause of VCBATT_a189.