Understanding and Troubleshooting Communication Error 8 on Android Auto
Have you been experiencing a 'Communication Error 8' while using Android Auto? You're not alone. This error typically occurs when there's a connectivity issue between your phone and your vehicle's head unit. Here's a comprehensive guide to help you understand and troubleshoot this issue.
What is Android Auto's Communication Error 8?
The 'Communication Error 8' on Android Auto usually signifies that your phone and your vehicle's head unit are having trouble communicating with each other. This could be due to a variety of reasons, ranging from a poor Bluetooth connection to software bugs. Here are some common causes:
- Bluetooth Connectivity Issues: Android Auto relies heavily on Bluetooth to connect your phone to your vehicle's head unit. If there are any issues with your Bluetooth connection, you might encounter this error.
- Outdated Software: If either your phone's Android version or the software in your vehicle's head unit is outdated, it could lead to compatibility issues and cause the 'Communication Error 8'.
- Interference from Other Devices: Other Bluetooth devices in your vehicle or nearby can sometimes interfere with the connection between your phone and your vehicle's head unit.
How to Troubleshoot Communication Error 8 on Android Auto
1. Check Your Bluetooth Connection
Ensure that your phone is properly connected to your vehicle's head unit via Bluetooth. If not, try disconnecting and reconnecting your devices. If the issue persists, try turning off the Bluetooth on both devices, wait for a few seconds, and then turn it back on.

2. Update Your Software
Make sure that your phone's Android version and your vehicle's head unit's software are up to date. You can check for software updates on your phone in the 'Settings' app, and for your vehicle's head unit, you may need to consult your vehicle's manual or contact the manufacturer.
3. Remove Other Interfering Devices
If there are other Bluetooth devices in your vehicle, such as a separate Bluetooth speaker or a different phone, try disconnecting them temporarily to see if that resolves the issue.
4. Reset Android Auto
If none of the above solutions work, try resetting Android Auto on your phone. Here's how:

- Open the 'Settings' app on your phone.
- Scroll down and tap on 'Connected devices' > 'Connection preferences' > 'Bluetooth' > 'Android Auto'.
- Tap on the settings icon (three vertical dots) in the top-right corner and select 'Forget'.
- Restart your phone and try connecting to Android Auto again.
When to Contact Professional Help
If you've tried all the troubleshooting steps above and you're still experiencing the 'Communication Error 8' on Android Auto, it might be time to contact a professional. The issue could be hardware-related, in which case you may need to take your vehicle to a professional mechanic or contact Google Support for further assistance.























