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Home >> GMC >> 2021 >> Terrain SLT, 4WD >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Entertainment Systems >> Cellular, Entertainment, And Navigation System >> Diagnostic Information and Procedures >> Phone Projection Malfunction (Apple CarPlay) >> Circuit/System Verification

Circuit/System Verification

  1. Verify no DTC's are present.
    • Go to next step: If no DTC's are present. 
  2. Verify the correct settings on the radio and the connected device that will allow Apple CarPlay functionality.
    • If the settings are not correct. 

      Refer to the vehicle and devices Owner's Manual or manufacturers website for details on enabling CarPlay.

    • Go to next step: If the settings are correct. 
  3. Verify Bluetooth and WiFi are turned ON in both the device and the radio.
  4. 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. 
  5. Connect a compatible USB device to the USB port and attempt to play audio from the customers vehicle.
  6. Verify audio is heard through the infotainment system while operating the USB device.
    • Go to next step: If audio is heard. 
  7. Verify the A11 Radio detects the connected device when plugged in by noting a change in the Phone Projection/Apple CarPlay icon on the Home screen.
    • If the A11 Radio does not show a change in the Phone Projection/Apple CarPlay icon. 
    1. Verify the device's cable is recommended or approved by the device manufacture and there is no damage to the cable or terminals.
      NOTE:

      Vehicles equipped with RPO PPW have wireless phone projection and it is not required to connect the device to the USB port.

      • 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
    2. Perform a device rest by holding both the Home and Power buttons on the device.
    3. Attempt to launch the application by pressing the Phone Projection/Apple CarPlay 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.
    • Go to next step: If the A11 Radio does show a change in the Phone Projection/Apple CarPlay icon. 
  8. Attempt to launch the application by pressing the Phone Projection/Apple CarPlay icon within the Home screen.
    • If the application does not launch 
    1. Perform the 3 vehicle Factory Resets located in Setting>System>Return to Factory Settings.
    • Go to next step: If the application does launch 

      Go to next step: All OK.