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Home >> GMC >> 2019 >> Terrain SL >> Repair and Diagnosis >> External Pages >> Different car >> Section 190 (Cellular, Entertainment, And Navigation System) >> Diagnostic Information and Procedures >> Phone Projection Malfunction (Android Auto) >> Circuit/System Verification
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Circuit/System Verification

WARNING: This page is about a different car, the 2021 Cadillac CT4. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:

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

    • Go to next step: 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

    • Go to next step: If the device is Bluetooth paired 
  3. Verify no DTC's are present.
    • Go to next step: 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 Auto = ON

      For RPO PPW, Phone Setting - Settings > Biometrics and Security > Location = ON.

    • Go to next step: If the settings are correct. 
  5. Verify the software is up to date on the connected device, refer to the device's owner's 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.

    • Go to next step: 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. 
    • Go to next step: 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.
    • Go to next step: 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. 
    1. Perform a device reset by holding both the Home and Power buttons on the device.
    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.
    3. Attempt to launch the application by pressing the Phone Projection/Android Auto icon within the Home screen.
      • If the application does not launch
    4. Perform the 3 vehicle Factory Resets located in Setting>System>Return to Factory Settings.
    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.

      • Go to next step: If the application does launch

        Go to next step: All OK

    • Go to next step: If the radio does automatically launch Android Auto. 
  10. All OK.
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