Faulty Parking Light Switch: Sometimes the parking light switch itself can become faulty, causing it to stop working. Check if the switch is damaged or malfunctioning and replace it if necessary.
Blown Fuse: Check the fuses responsible for the parking lights in the fuse box. If any of the fuses are blown, replace them with new fuses of the correct amperage.
Loose Connections: Check the electrical connections related to the parking lights, especially the connections to the bulbs and the switch. Make sure that all the connections are secure and properly seated.
Faulty Relay: There might be a relay controlling the parking lights. Check if the relay is functioning properly and replace it if necessary.
Electrical System Issues: In some cases, the parking lights can go out due to underlying electrical problems. Electrical faults like short circuits or grounding issues can affect the functioning of the lights.
If you are unable to identify and fix the problem yourself, it's best to consult a qualified mechanic to diagnose and repair the issue properly.