What are the common issues with the Ford Explorer 2020's parking sensors?

Common Issues with the 2020 Ford Explorer Parking Sensors

The parking sensors on the 2020 Ford Explorer can encounter several common issues due to various factors, including sensor malfunctions, wiring problems, or software glitches. Below, we will detail the symptoms, diagnostic steps, tools required, and repair instructions for troubleshooting and fixing parking sensor issues.

Tools Required

• Multimeter
• OBD-II Scanner
• Flathead and Phillips screwdrivers
• Torque wrench
• Cleaning cloth and mild soap solution
• Safety glasses and gloves

Repair Instructions

Step 1: Clean the Sensors

1. Preparation:

   • Park the vehicle on a level surface and turn off the ignition.
   • Engage the parking brake for safety.

2. Cleaning:

   • Use a mild soap solution and a cleaning cloth to gently clean the surface of the parking sensors.
   • Remove any dirt, debris, or ice that obstructs the sensor's functionality.

Step 2: Inspect and Repair Wiring

1. Access the Wiring:

   • Remove the rear bumper cover if necessary (consult the service manual for specific instructions).
   • Inspect the wiring harness connected to the parking sensors for any signs of fraying, corrosion, or disconnection.

2. Repair Damaged Wiring:

   • If any wires are damaged, use wire connectors or solder to repair them.
   • Ensure all connections are secure and insulated to prevent short circuits.

Step 3: Replace Faulty Sensors

1. Remove the Old Sensor:

   • If a sensor is determined to be faulty (based on visual inspection or diagnostic codes), use a flathead screwdriver to gently pry it out of the bumper.
   • Disconnect the electrical connector from the sensor.

2. Install the New Sensor:

   • Connect the new sensor to the electrical connector.
   • Push the new sensor into place until it clicks securely in the mounting bracket.

3. Reassemble:

   • Reinstall the rear bumper if it was removed.
   • Ensure all screws and fasteners are tightened to the manufacturer's specifications.

Step 4: Reset the System

1. Disconnect the Battery:

   • Disconnect the negative terminal of the battery for about 10 minutes to reset the parking sensor system.

2. Reconnect:

   • Reconnect the battery terminal and start the vehicle.
   • Shift the vehicle into reverse and test the parking sensors to ensure they function correctly.

Conclusion

By following the above steps, most parking sensor issues on the 2020 Ford Explorer can be diagnosed and resolved effectively. Regular maintenance and cleaning can prevent many common issues, ensuring the sensors operate as intended. If problems persist after these troubleshooting steps, it may be necessary to consult a certified Ford technician for further diagnosis and potential control module replacements.