Addressing Navigation System Issues in the 2020 Ford Explorer

The 2020 Ford Explorer is equipped with an advanced SYNC 3 infotainment system that includes navigation features. However, users may experience various issues with the navigation system. This guide will help diagnose and resolve common navigation problems.

Step 1: Check for Software Updates

1. Symptoms to Look For: Any abnormal behavior of the navigation system.
2. Diagnostic Action: Check if the SYNC system software is up to date.
   • Tools Required: USB flash drive (8GB or larger), computer with internet access.
   • Instructions:
     • Visit the Ford Owner website and log in or create an account.
     • Enter your vehicle’s VIN and check for available updates.
     • If available, download the update to the USB drive.
     • Insert the USB drive into the vehicle's USB port and follow on-screen instructions to update the system.

Step 2: Check GPS Signal

1. Symptoms to Look For: Incorrect location or map not loading.
2. Diagnostic Action: Ensure the GPS antenna is functioning properly.
   • Tools Required: None, but you may need access to a clear open area.
   • Instructions:
     • Drive the vehicle to a location with an unobstructed view of the sky (e.g., an open parking lot).
     • Check if the GPS signal improves.
     • If the issue persists, it may indicate a problem with the GPS antenna.

Step 3: Reset the SYNC System

1. Symptoms to Look For: General system glitches or crashes.
2. Diagnostic Action: Perform a master reset of the SYNC system.
   • Tools Required: None.
   • Instructions:
     • With the vehicle in park, press the "Settings" icon on the SYNC screen.
     • Scroll down and select "General."
     • Find and select "Master Reset."
     • Confirm your choice. The system will reset and restart.

Step 4: Check for Map Updates

1. Symptoms to Look For: Incorrect routes, outdated points of interest.
2. Diagnostic Action: Verify that the navigation maps are current.
   • Tools Required: USB flash drive, computer with internet access.
   • Instructions:
     • Similar to Step 1, check for map updates through the Ford Owner website.
     • Download any available map updates onto the USB drive.
     • Insert the USB drive into the vehicle’s USB port and follow the prompts to update the maps.

Step 5: Verify Vehicle Settings

1. Symptoms to Look For: Voice guidance not working.
2. Diagnostic Action: Check the sound settings and navigation preferences.
   • Tools Required: None.
   • Instructions:
     • Access the SYNC settings and navigate to "Navigation."
     • Ensure that "Voice Guidance" is turned on.
     • Check the volume settings to ensure that the navigation prompts are audible.

Repair Instructions

If All Steps Fail

1. Symptoms to Look For: Persistent issues after following diagnostic steps.
2. Action: Consider hardware issues or seek professional assistance.
   • Instructions:
     • Visit a certified Ford dealership or authorized service center.
     • Explain the issues and provide a detailed account of the symptoms and steps already taken.
     • Allow them to perform further diagnostics, which may include checking the GPS antenna and related wiring.

Tools Required for Professional Service

• OBD-II scanner (for error codes).
• Multimeter (for checking electrical connections).
• Diagnostic software specific to Ford vehicles.

Conclusion

By following these steps, you should be able to diagnose and resolve common navigation system issues in the 2020 Ford Explorer. Remember, if the problem persists after these troubleshooting steps, professional help may be necessary to address potential hardware malfunctions.