Tesla CCS1 Adapter Not Working (9 Ways To Fix)

There is no reason to freak out if you experience a problem with your Tesla CCS1 adapter not working. Understanding the typical situation can help you troubleshoot and fix your Tesla CCS1 adapter issues effectively, guaranteeing a smooth charging experience for your Tesla car.

I have carefully examined and researched the problem of the Tesla CCS1 adapter’s malfunction and will talk about its causes, and possible fixes.

In this article, I will explain to you the numerous scenarios in which your Tesla CCS1 adapter could malfunction as well as their possible fixes. 

Let’s start the article now…

How To Fix the Tesla CCS1 adapter not working

If you are experiencing issues with your Tesla CCS1 adapter, there are several potential causes which include an Incompatible or defective adapter, Incompatible charging station, Outdated software, charging cable or connectors problems, Network and power supply issues, charging station communication problems, Inability to unlock the car, and the Incompatible adapter firmware. 

Let’s discuss all these in detail.

1. Incompatible or defective Adapter 

An incompatible or defective adapter could be one of the main reasons why your Tesla CCS1 adapter isn’t working. The performance of your CCS1 adapter might be compromised by defects or damage to the adapter.


You should closely look for any obvious evidence of damage on the adapter, such as cracks, broken pins, or frayed cables. If there is any physical damage, the adapter is probably broken and you may need to replace it. You must try using a CCS1 adaptor with a different CCS1 charging station.

You have to replace the adapter if it turns out that the CCS1 adapter is faulty and none of the other solutions work to fix the problem.

2. Incompatible Charging Station

Different types and configurations of CCS1 charging stations exist, and not all of them may be compatible with the Tesla CCS1 adapter. Some CCS1 charging stations that are uncommon could not work perfectly with all Tesla models or adapters.

Verify that the charging station is compatible with your particular Tesla model and that it adheres to the CCS1 charging standard.


You must locate a compatible charging station, if the one that you have does not support the necessary standard. You can locate compatible charging stations nearby by using smartphone applications like Plug Share, ChargePoint, Electro Maps, or online mapping services for charging stations.

3. Software Updates

From time to time, software updates may be necessary to make sure that the Tesla CCS1 adapter and charging stations are properly compatible. Verify that the most recent software is installed in your Tesla car.

Potential communication problems between the adapter and the charging station can be resolved often by updating the firmware on your car. 


During the updating procedure, you have to ensure your car is in parked mode and linked to a reliable Wi-Fi network. You have to download the Tesla mobile app from the Google Play Store (for Android devices) or App Store (for iOS devices).

Through the app, you can keep track of the update’s progress, the projected amount of time left, and any new instructions or notifications.

Then you should start the Tesla mobile app, and sign in with your Tesla account information. You will be taken to the Tesla mobile app’s home screen, once you’ve logged in.

  • When you open the app, there will be an icon that represents the car’s controls.
  • You can see a menu item or tab labeled “software updates” in the section of the vehicle controls. You should tap on this choice.
  • There will be a menu item that lets you check for updates. To start the update check, tap on it.
  • You have to follow the instructions in the Tesla mobile app if you decide to apply the software update. 
  • It will walk you through each step of the process, which usually entails confirming your choice and giving permission to install the update. 

4. Charging cable or connector problems:

 A faulty charging cable or connector can be the reason for your Tesla CCS1 adapter not working properly. 


You should look closely for any apparent evidence of damage, such as cuts, frayed wires, or bent pins, on the charging cord and connector.

You should keep a close eye out for any corrosion, dirt, or debris that can hinder the proper electrical connections at the connectors. You should use a soft cloth or a small brush to carefully clean the charging cable or connector if it seems to be rusted, dirty, or otherwise unclean. 

You should try utilizing a different charging cable or connector with the Tesla CCS1 adapter and charging station if you have access to one. If the backup cable or connector functions adequately, the original one is most likely to be broken and needs to be replaced.

You must ensure that the charging wire is firmly and securely attached to the Tesla charging port as well as the CCS1 adaptor.

5. Network and power supply issues of the charging station

The functioning of your Tesla CCS1 adapter may be impacted by the charging station’s network connectivity and power supply, both of which must be available and reliable. The performance of your adapter could be impacted by power or network fluctuations at the charging station. 


To communicate with the charging station and start the charging process, your Tesla CCS1 adaptor needs internet access. You should verify that the charging station has a steady internet connection and power supply before utilizing it.

To rule out any problems with the internet source or power source, you must try utilizing an alternative internet and power outlet or charging station. 

You should get in touch with the charging station operator or the appropriate authorities for help if the problem persists because it might be a problem with the electrical infrastructure or the charging station itself.

Try resuming the charging procedure if you are having network or power supply troubles while it is running. You must reconnect the adapter and start the charging procedure once more after waiting a short while.

This can assist you in resetting the connection and resolving momentary problems.

6. Charging station Communication problems: 

Communication between the Tesla vehicle and the charging station can occasionally be a problem. As a result, your adapter might not be recognized or the charging process might not start. 


To communicate with the charging station and start the charging process, your CCS1 adapter needs internet access. You should check to see that the network connection at the charging station is solid and operating normally. 

Make sure the software in your Tesla is up to date. Updating the software in your car can help you fix the communication problems.

7. Environmental Factors:

 The performance of your CCS1 adapter might be impacted by environmental factors. The electrical connections and components of your adapter may be harmed by extreme temperatures, dampness, or exposure to the elements.

Your Tesla CCS1 adapter is heat resistant and electrically insulated and can work at -22°F to 122°F.


You should check that the ambient temperature is within the recommended operating range that Tesla has given. To lessen the impact of the heat, you should take your car and the charging station inside or to a shady place.

You should make sure the adapter and the charging station are situated in a dry area. You should avoid charging your vehicle, while there is a chance of water splashing onto the charging equipment or while it is raining heavily.

You must allow the adapter or charging station to thoroughly dry before attempting to use it if it becomes wet.

Your CCS1 adapter’s communication and charging processes can be interfered with by strong electromagnetic fields or other sources of interference in the area of the charging station.

You have to avoid EMI sources like massive power transformers, large machinery, or other electrical equipment. You must keep any wireless or electronic gadgets away from the charging station so that they cannot interfere.

8. Inability to Unlock Vehicle: 

In some Tesla models, when your car is in the park or turned off, the charging port may be locked.


To unlock your Tesla vehicle, make sure you have the proper key fob or mobile app credentials. You should verify that the key fob’s battery is still good or that your mobile app is connected to the car and has access to the right permissions before trying to unlock it.

You must replace the key fob’s battery or reinstall the mobile app if you are experiencing any problems.

You should try to restart the car if you’re having trouble using the key fob or mobile app to open it. You should simultaneously push and hold the brake pedal and the two scroll wheels on the steering wheel, for around 10 seconds. You must make sure your Tesla car has enough battery life. 

You should connect your car to a source of electricity and give it enough time to charge. Then you should try to unlock the car once more when the battery has had time to fully charge. You can also use a manual key access option if the key fob or mobile app is unable to open the car. 

9. Incompatible Adapter Firmware: 

Your CCS1 adapter’s firmware is a key component of its functionality. Tesla distributes firmware upgrades regularly to enhance compatibility and fix problems. 


If your CCS1 adapter has any firmware upgrades available, install it.

  • You should visit the CCS1 adapter’s website and find a section that discusses firmware downloads or updates. 
  • You have to connect your CCS1 adapter to the car or charging station that it was meant to be used with. 
  • You can run the firmware update program on your computer
  • You have to select the appropriate firmware version for your particular CCS1 adapter model.
  • Then you have to start by pressing a “Start” or “Update” button. 
  • You have to hold on until the update is complete. This procedure could take a while.
  • To confirm the new firmware version, you have to check the CCS1 adapter’s settings or documentation.


It can be upsetting to experience problems with the Tesla CCS1 adapter not functioning, but with the right troubleshooting, the majority of issues can be fixed. You can rectify many probable causes of the problem by:

  1. Make sure of the compatibility of the CCS1 adapter.
  2. Make sure of the compatibility of the charging station.
  3. Check for damaged cables and wires.
  4. Maintaining software updates.
  5. Make sure of the favorable environmental conditions.
  6. Examining charging cable and connector integrity.
  7. Taking care of power and network issues. 

You can also watch this video:

You can reach out to me with any questions you may have about this article. I’ll do everything in my power to help you out properly. 

What is CCS1’s operating voltage range?

Combo 1 of the Combined Charging System (CCS) supports charging at 200–920 volts DC and up to 350 kW. 

AC or DC, according to CCS1?

With two extra power contacts to provide DC rapid charging, the CCS1 plug is an improved Type 1 AC plug.

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