VCFRONT_a189_IBSMIA
Not Available
What does the VCFRONT_a189_IBSMIA alert mean?
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).
What you'll see in your Tesla
- Not Available
What triggers it
The vehicle controller does not receive one or more of the expected SPI messages from the IBS within the expected time frame.
When it clears
The vehicle controller starts receiving the expected SPI messages from the IBS.
Potential impact
The vehicle may not sleep, and the low voltage (LV) battery may be overcharged or undercharged.
Affected models
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