✅ 1. Check the Tesla screen for an error message
Your car will usually tell you exactly what went wrong (e.g., “Charge cable fault,” “Ground fault,” “High temperature,” etc.).
✅ 2. Unplug and re‑plug the connector
A loose or misaligned connector can trigger a red light.
- Remove the cable
- Wait 5 seconds
- Plug it back in firmly until you hear/feel the latch click
✅ 3. Inspect the charge port & connector
Look for:
- Dirt, debris, or water
- Bent pins
- Damage on the cable
- Ice (in winter)
If anything looks off, try a different charger.
✅ 4. Reset the charging source
Tesla recommends this if no specific fault appears. service.tesla.com
If using:
For Mobile Connector, Unplug from the wall and then •Plug back in.
- Unplug from the wall
- Wait 10 seconds
- Plug back in
- Check the indicator lights on the brick
For Wall Connector, reset circuit breaker
- Flip the circuit breaker OFF
- Wait 10–15 seconds
- Turn it back ON
✅ 5. Unlock the Port. Stop the session or click “Unlock Charge Port” from your Tesla’s main touchscreen or your phone app to release the electronic lock.
Try a different charging cable or station
If another charger works, your original cable or outlet is the problem.
✅ 6. Power cycle the car
Tesla suggests this if the fault persists. service.tesla.com
On the touchscreen:
Controls → Safety → Power Off → wait 2 minutes → press brake to restart