Tesla CC_a001 Unable to charge - Insufficient grounding Proper wiring or outlet grounding must be verified
What this alert means:
No ground connection detected in the Wall Connector.
What to do:
Have the Wall Connector inspected by an electrician to make sure it is properly grounded. Your electrician should ensure there is proper grounding at your circuit breaker or power distribution box and also ensure that appropriate connections are made to the Wall Connector.
For more information, see the installation guide for your Wall Connector.