CC family
CC_a004_CCIDSelfTestFault
Unable to charge - Wall Connector issue
What does the CC_a004_CCIDSelfTestFault alert mean?
Ground fault detection circuit self-test failed.
What you'll see in your Tesla
- Unable to charge - Wall Connector issue
- Wall Connector needs service
What triggers it
Ground fault detection circuit self-test failed.
When it clears
Ground fault detection circuit self-test passed after being rerun. Test reruns after 15 minutes (non-EU), cable cycle, or reset button.
Potential impact
Wall connector will not allow charging until the ground fault circuit self-test passes.
Affected models
Cybertruck
Model 3 2017-2023
Model 3 2024+
Model S 2021+
Model X 2021+
Model Y
Model Y 2025+
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.