BCCEN family
BCCEN_w054_RLSCommError
Not Available
What does the BCCEN_w054_RLSCommError alert mean?
Not Available
What you'll see in your Tesla
- Not Available
What triggers it
The RLS did not reply to a LIN message in within 10ms and the connection timed out.
When it clears
The RLS successfully responds to a subsequent message within the 10ms time window.
Potential impact
While the RLS is not responding, SNA/INVALID values are emitted on CAN. Any device listening should enter a default state, such as lights turning on when Auto mode is selected.
Affected models
Model S 2012-2020
Model X 2015-2020
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Alerts like this reach MyTeslaMate through your car's Tesla telemetry API. MyTeslaMate logs every alert your Tesla reports and turns it into readable history and real-time notifications — hosted TeslaMate with no server to run.