SSFA family
SSFA_a275_ECUMiaOnInternalBus
Not Available
What does the SSFA_a275_ECUMiaOnInternalBus alert mean?
The local Electronic Control Unit (ECU) has not received one or more expected Controller Area Network (CAN) messages from the internal steering bus.
What you'll see in your Tesla
- Not Available
What triggers it
The local Electronic Control Unit (ECU) did not receive a message it was expecting from the ECUs on the specified internal steering bus within the expected timeout.
When it clears
The local ECU begins receiving all expected messages from the specified internal steering bus.
Potential impact
Power Steering functionality may be degraded.
Affected models
Cybertruck
Track your Tesla's alerts automatically
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.