How do you fix check engine light code PO222?

The P0222 code indicates a problem with the throttle position sensor (TPS) circuit, specifically a low voltage signal. To fix this code, first inspect the TPS wiring and connectors for any damage or corrosion. If the wiring is intact, test the TPS itself with a multimeter to ensure it’s functioning correctly; replace it if it's faulty. After addressing the issue, clear the code and take the vehicle for a test drive to see if it returns.