1. Wiring aged after used for years causing problem like poor connection, open circuit and short circuit which make the voltage abnormal and fused the bulb.
2. Electronic control information error or the electronic component faulty causing over voltage which fused the bulb.
3. Bulb has reached its life span.
Suggest to repair at workshop as soon as possible.
1. Check if there is check light or error message in the meter cluster, identify the malfunction item.
2. Take out the fog lamp bulb and check if it is broken.
3. Use the multimeter to check if the wiring harness has any abnormality, break, short circuit, corroded or poor connection.
4. Based on the inspection outcome, replace the bulb or the wiring harness.