Troubleshooting Kia Sorento Third Generation Infotainment System (2015-2020)

If you're experiencing issues with the infotainment system in your Kia Sorento (2015-2020), follow this detailed guide to identify and resolve the problem.

Symptoms

• Infotainment screen is blank or unresponsive
• No sound from audio system
• Bluetooth connectivity issues
• Navigation system not functioning
• System freezes or crashes

Diagnostic Steps

Step 1: Visual Inspection

Tools Required:

• None

Instructions:

1. Check the physical condition of the infotainment screen. Look for cracks, water damage, or physical obstructions.
2. Inspect the wiring and connectors behind the infotainment unit (if accessible) for any visible damage or loose connections.

Step 2: Soft Reset

Tools Required:

• None

Instructions:

1. Turn off the vehicle and remove the key from the ignition.
2. Wait for about 5 minutes.
3. Reinsert the key and turn the vehicle to the "ON" position without starting the engine.
4. Check if the infotainment system powers on.

Step 3: Check the Fuses

Tools Required:

• Fuse puller or flathead screwdriver
• Replacement fuses (refer to the owner’s manual for specifications)

Instructions:

1. Open the driver’s side door and locate the fuse box (usually near the left side of the dashboard).
2. Remove the cover of the fuse box.
3. Check the fuse related to the infotainment system. Refer to your owner's manual for the exact fuse location and rating.
4. If the fuse is blown, replace it with a new fuse of the same rating.
5. Recheck the infotainment system.

Step 4: Battery Reset

Tools Required:

• Wrench or socket set (for battery terminals)

Instructions:

1. Turn off the vehicle and remove the key.
2. Open the hood and locate the battery.
3. Using a wrench, disconnect the negative (-) terminal first, followed by the positive (+) terminal.
4. Wait for at least 10 minutes to allow any residual power to drain.
5. Reconnect the positive (+) terminal first, then the negative (-) terminal.
6. Start the vehicle and check if the infotainment system is operational.

Step 5: Software Update

Tools Required:

• USB flash drive (formatted to FAT32)
• Computer with internet access

Instructions:

1. Visit the official Kia website and navigate to the ‘Owners’ section.
2. Look for software updates specific to your vehicle's infotainment system.
3. Download the update files onto a USB flash drive.
4. Insert the USB flash drive into the USB port of the infotainment system.
5. Follow the on-screen prompts to install the update.
6. Restart the infotainment system and check functionality.

Step 6: Check Bluetooth and Connectivity Settings

Tools Required:

• None

Instructions:

1. Navigate to the Bluetooth settings on the infotainment system.
2. Ensure Bluetooth is enabled and that your device is in pairing mode.
3. If issues persist, delete existing paired devices and attempt to pair your device again.
4. Test the audio source (e.g., radio, Bluetooth, USB) to verify audio functionality.

Step 7: Diagnostic Scan

Tools Required:

• OBD-II scanner

Instructions:

1. Connect the OBD-II scanner to the vehicle's diagnostic port (usually located under the dashboard).
2. Turn the ignition to the "ON" position.
3. Run a diagnostic scan to check for any trouble codes related to the infotainment system.
4. If any codes are found, refer to the specific troubleshooting procedures for those codes.

Repair Instructions

If Issues Persist

If after all the above steps the infotainment system is still not functioning correctly, it may require professional diagnosis. Possible repairs could include:

• Replacing the Infotainment Unit: If the unit is faulty, it may need to be replaced. Consult with a Kia dealership or a certified automotive technician for replacement options.
• Wiring Repairs: If wiring damage is found during visual inspection, it may need to be repaired or replaced.
• Professional Software Reprogramming: In some cases, the unit may require reprogramming or calibration by a professional.

Contacting Support

If you are unable to resolve the issue after following these steps, consider contacting Kia customer support or visiting a certified Kia service center for further assistance.

Conclusion

By following these steps, you should be able to diagnose and potentially fix the infotainment system issues in your Kia Sorento. Always refer to the vehicle's service manual for specific information and safety precautions.