FC family
FC_a271_GB_timeoutCRO
Not Available
What does the FC_a271_GB_timeoutCRO alert mean?
The Fast Charge (FC) Electronic Control Unit (ECU) has detected the GuoBiao (GB) adapter was unable to receive charger output readiness state (CRO) messages from Electric Vehicle Supply Equipment (EVSE) within 5 seconds. Message timeouts may result in the charging session not starting.
What you'll see in your Tesla
- Not Available
What triggers it
GB adapter does not receive CRO messages from EVSE within the expected 5 second time frame, resulting in a timeout condition.
When it clears
Unplug charge handle.
Potential impact
Charging session may not start.
Affected models
Cybertruck
Model 3 2017-2023
Model 3 2024+
Model S 2021+
Model X 2021+
Model Y
Model Y 2025+
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