How can I fix the Ford Explorer 2020's remote start not working issue?

Certainly! If the remote start feature on your 2020 Ford Explorer is not working, follow this structured diagnostic and repair guide:

Repair Instructions

If diagnostics indicate a problem, follow these repair instructions based on the identified issue:

1. Battery Replacement in Key Fob:

   • Steps:
     • Replace the old battery with a new one of the same type (usually CR2032).
     • Reassemble the key fob and test the remote start function.

2. Address Fault Codes:

   • Steps:
     • If fault codes are present, follow the manufacturer’s service manual for troubleshooting the specific codes.
     • This may involve checking sensors, wiring, or mechanical components related to the engine or transmission.

3. Reset Remote Start System:

   • Steps:
     • Disconnect the vehicle's battery for about 10-15 minutes. This can reset the electronic systems.
     • Reconnect the battery and attempt to use the remote start again.

4. Reprogram the Key Fob:

   • Tools Required: Scan tool or Ford-specific diagnostic tool.
   • Steps:
     • If the key fob is not recognized, it may need reprogramming.
     • Follow the manufacturer’s guidelines for reprogramming the key fob using a diagnostic tool.

5. Inspect Wiring and Connections:

   • Tools Required: Multimeter, wiring diagram for the remote start system.
   • Steps:
     • Inspect the wiring harness related to the remote start system for any visible damage or loose connections.
     • Use a multimeter to check for continuity in the wires; repair or replace as necessary.

Final Testing

1. After completing repairs and reassembling any components, test the remote start function multiple times to ensure it is operating correctly.
2. Confirm that the vehicle starts reliably with the remote start feature under different conditions (i.e., cold start, warm start).

Conclusion

If you've completed all the above steps and the remote start feature is still not functioning, it may be best to consult a certified Ford technician or visit a dealership for further diagnosis, as more complex electronic issues may require specialized equipment and expertise.