To resolve a CC_a015 communication handshake failure, perform a hard power cycle of your charging equipment to reset the internal communication module.
Tools/Materials Needed: Access to your home's main electrical breaker panel.
Safety Precautions: Ensure your hands are dry and you are standing in a dry area when operating the breaker panel.
- Locate the circuit breaker in your home's electrical panel that controls the Tesla Wall Connector.
- Switch the breaker to the OFF position.
- Wait for at least 30 seconds to allow the internal capacitors in the Wall Connector to fully discharge.
- Switch the breaker back to the ON position.
- Observe the Wall Connector status light; it should cycle through its startup sequence.
- Insert the charging handle into the Tesla charge port.
- Verify the fix: The charge port light should transition from solid white to blinking green, indicating that the communication handshake is successful and charging has resumed.
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