Phone Projection Malfunction (Android Auto)

Cellular, Entertainment, and Navigation | Diagnostic Information and Procedures | Document ID: 5002252 Diagnostic Instructions Perform the Diagnostic System Check - Vehicle prior to using this diagnostic procedure. Review Strategy Based Diagnosis for an overview of the diagnostic approach. Diagnostic Procedure Instructions provides an overview of each diagnostic category. Circuit/System Description Android Auto is a phone integration feature that enables Android users to display certain apps and functionality from their phone on the vehicles infotainment display. Users can control the apps and functions via the vehicle’s infotainment system touchscreen, button control or voice commands. Certain vehicle options will allow wireless phone projection. Diagnostic Aids Listed below are some common Android Auto Error Messages or Error Codes–

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For vehicles equipped with radio RPO IOR, error messages will not be displayed on the vehicle or device screen. – Google Play Services error: Android Auto could not connect with Google Play Services Likely cause: Something went wrong while setting up Android Auto. Suggested solutions: Connect your phone to your vehicle with a USB cable first, before attempting to open the Android Auto app on your phone. After you have connected your phone to the vehicle open Android Auto and follow the getting started flow and accept all permissions. If it still does not work, uninstall Google Play Services update and re-update then follow the steps above. – Communication error 6: If phone battery below 20% Android Auto will not work. Likely cause: Radio software or Google Play version out of date. Suggested solutions: Update to Google Play version 12.6.85 or beyond and check for any radio updates. – Communication error code 7: Android Auto failed to set up a secured communication with the head unit. Suggested solution: Make sure Google Play services is up to date and try a different recommended USB cable. – Communication error 8: Authentication failed between the car and the phone. Likely cause: This is most likely caused by the incorrect date on the radio. Suggested solutions: Disconnect your phone from the vehicle. In radio settings set the correct date. Make sure it matches the settings on your phone. – Communication error 12: Vehicle is not responding Likely cause: Transient software failure. If this occurs frequently it could be caused by a faulty USB cable. Suggested solution: Try a new USB cable approved by the manufacture. – For additional information refer to “Android Auto Help” site. Visit https://play.google.com/store/apps/collection/promotion_3001303_android_auto_all for a list of Android Auto compatible apps. This does not guarantee the functionality of the app. Android Auto will only automatically launch the first time it is time it is connected to the system within a key cycle. If not equipped with wireless phone projection it is required the device be connected to the vehicles USB port. It is recommended to use the device’s factory provided USB cable. Aftermarket or third–party cables may not work. The device Location needs to be set to On for Wireless Phone Projection to work. Ensure the customers device Location is ON by going to Settings > Biometrics and Security > Location. Before beginning diagnostics, if available verify Android Auto works from the customers device on a like vehicle, meaning: Same year, same model, same radio RPO and same radio software level. Applications use the mobile device and connection to a service provider to operate. Connection quality issues, or service provider data transmission issues can give the appearance of a vehicle malfunction.

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Verify if the customer is using their cellular data plan or the vehicle’s OnStar data plan. Determine if the issue occurs in the same location or if it occurs in multiple locations. Devices may lose wireless phone projection connectivity from the vehicle due to interference from external WiFi signals. It is required for the device to be connected to the vehicle via Bluetooth and WiFi in order for wireless phone projection to operate. Reference Information Schematic Reference Radio/Navigation System Schematics Connector End View Reference Master Electrical Component List Description and Operation Radio/Audio System Description and Operation Electrical Information Reference Circuit Testing Connector Repairs Testing for Intermittent Conditions and Poor Connections Wiring Repairs Circuit/System Verification

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Before launching Android Auto verify transmission is in park or parking brake on for manual transmission vehicles.

1. Verify the vehicle date matches the device date. ⇒ If dates do not match Change vehicle date to match device date and reattempt to launch Android Auto ⇓ If dates match
2. Verify the device is Bluetooth paired to the vehicle before launching Android Auto ⇒ If the device is not Bluetooth paired Pair the device to Bluetooth and reattempt to launch Android Auto ⇓ If the device is Bluetooth paired
3. Verify no DTC’s are present. ⇒ If any DTC’s are present. Refer to Diagnostic Trouble Code (DTC) List - Vehicle ⇓ If no DTC’s are present.
4. Verify the correct settings on the radio and the connected device that will allow Android Auto functionality. Verify Bluetooth and WiFi are turned ON in both the device and the radio. ⇒ If the settings are not correct. Radio Setting – Settings>Apps>Android Auto = ON Phone Setting – Open Android Auto>Settings>Connected Cars>Add cars to Android Audo = ON For RPO PPW, Phone Setting – Settings > Biometrics and Security > Location = ON. ⇓ If the settings are correct.
5. Verify the software is up to date on the connected device, refer to the device’s owner manual or manufacturers website. ⇒ If the connected device software is not up to date. Recommend the customer update their device to the newest software version. ⇓ If the connected device software has the newest version.
6. If not equipped with wireless phone projection verify the device’s cable is recommended or approved by the device manufacture and there is no damage to the cable or terminals. ⇒ If the cable is not the correct part or damage is noted advise the customer. ⇓ If no issues with the cable
7. Connect a compatible USB device to the USB port and attempt to play audio.
8. Verify audio from the device is heard through the vehicles speakers. ⇒ If audio is not heard through the vehicles speakers. Refer to Auxiliary Audio Input Malfunction ⇓ If audio is heard through the vehicles speakers.
9. Verify the radio detects the device wireless or when plugged in by automatically launching Android Auto or noting a change in the Phone Projection/Android Auto icon on the Home screen. ⇒ If the radio does not automatically launch Android Auto or no change in the Phone Projection/Android Auto icon. 9.1. Perform a device reset by holding both the Home and Power buttons on the device. 9.2. Verify the radio detects the connected device when plugged in by automatically launching Android Auto or noting a change in the Phone Projection/Android Auto icon on the Home screen. ⇒ If the radio does not automatically launch Android Auto or no change in the Phone Projection/Android Auto icon. 9.3. Attempt to launch the application by pressing the Phone Projection/Android Auto icon within the Home screen. ⇒ If the application does not launch 9.4. Perform the 3 vehicle Factory Resets located in Setting>System>Return to Factory Settings. 9.5. Attempt to launch the application by pressing the Phone Projection/Android Auto icon within the Home screen. ⇒ If the application does not launch Replace the A11 Radio. ⇓ If the application does launch All OK ⇓ If the radio does automatically launch Android Auto.
10. All OK. Repair Instructions Perform the Diagnostic Repair Verification after completing the repair. Control Module References for control module replacement, programming, and setup.