Q: Rear and side lights malfunction

asked by on July 29, 2016

My car has a mileage of around 120,000 miles and recently the check engine light came on. The car is usually running fine. When I start it and press the check button, it indicates the issue with the rear lights. I've had the spark plugs replaced recently. I regularly change the oil. All the fuses check out fine, except some of them that looked worn, which I replaced. All other lights work properly, including the signals, front lights, back up and brake lights. However, there is still a problem with side and rear ones that have been malfunctioning. What should I do to fix this?

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