Table 1 shows seven common electrical system related problems of the 2007 Hyundai Sonata. The number one most common problem is related to the electrical system (31 problems). The second most common problem is related to the alternator/generator/regulator (nine problems).
I have a 2007 Hyundai Sonata se v6 3. 3l and on January 9th, 2026 I had an incident where on the road my charging system light on signifying alternator failure. I made it home, but the battery was dead which was recently purchased. Read details...
The contact owns a 2007 Hyundai Sonata. The contact stated that while driving at various speeds the vehicle drove sluggish and unresponsive and would not properly accelerate. Upon inspection it was discovered that engine oil from the valve cover gasket had leaked onto the alternator. Read details...
Air bag warning light problem. 2007 Hyundai Sonata se v6 air bag light came on at 6500 miles and wouldn't go off. Updated 01-10-08. The interior wiring harness had to be replaced. The part was covered under warranty. Updated 01/08/08. Read details...