Internal Contactor Failure

The Wall Connector's internal contactor is failing to engage or disengage correctly, preventing power from being delivered to the vehicle. This is a hardware-level fault identified as a potential cause for alert CC_a004, indicating that the internal switching mechanism is defective and the unit requires professional service or replacement.

Sources

• Tesla_Vehicles_Troubleshooting_Alerts — p. 7, 8, 10, 11, 13, 15, 16