Here are Hyundai Sonata AC / heater problems, by model year. The most common Sonata AC / heater problems cost $1,000 to fix & occur at 36,000 miles. Click on a year below.

Worst AC / Heater Problems
A/C not working 2011 Hyundai Sonata
A/C/heater stopped working 2014 Hyundai Sonata
A/C fan speed changes automatically 2018 Hyundai Sonata