2024 Hyundai Tucson: A/C doesn't cool cabin adequately in hot weather
Common wear/failure (not a recall)
Symptoms
Owners of the 2024 Tucson report: A/C doesn't cool cabin adequately in hot weather. CarComplaints.com lists 1 owner complaints, average mileage 15,000 miles.
NHTSA has 3 owner complaints for the 2024 Tucson in this area. Examples:
- NHTSA complaint ODI #11756153 (filed 08/11/2026): “The air conditioning system in my 2024 hyundai tucson has never adequately cooled the cabin during high outdoor temperatures, since i purchased the vehicle. the vehicle is parked outdoors in direct sunlight daily, as i have no garage or carport access, and the…”
- NHTSA complaint ODI #11665297 (filed 06/06/2025): “My a/c system has a strong mold/mildew smell. the dealership flushed the system and said a bunch of black mold came out. it has been 3 months and the issue is back. it can’t possibly be safe and healthy to be constantly breathing in mold spores. i have seen a …”
Likely causes
Sources do not establish a single root cause; diagnosis is needed. Owner-reported fixes are listed below.
Fix, in plain English
Most common owner-reported solutions on CarComplaints.com: none clearly reported. Check for open recalls and extended warranty coverage with a dealer before paying out of pocket.
DIY difficulty: Pro
Opening the A/C system requires refrigerant recovery equipment, and US EPA Section 609 certification is required to service vehicle A/C for compensation. (Our assessment.)
Cost
No sourced cost range: get a written quote after diagnosis.
Typical parts (search links, no affiliate codes)
AutoZone · O'Reilly · Advance · RockAuto
Sources
- CarComplaints.com: A/C doesn't cool cabin adequately in hot weather (2024 Tucson)
- NHTSA complaints API, 2024 Tucson
Page last updated .