2021 Toyota Highlander: A/C condenser punctured with rock chip
Common wear/failure (not a recall)
Symptoms
Owners of the 2021 Highlander report: A/C condenser punctured with rock chip. CarComplaints.com lists 1 owner complaints, average mileage 15,000 miles.
NHTSA has 8 owner complaints for the 2021 Highlander in this area. Examples:
- NHTSA complaint ODI #11767443 (filed 09/28/2026): “Beep alert went off first then on dash board it notified me not to press on gas pedal & sensory collision 2. parked the car for three days after the 3 days when starting the car the beep notification was still there on dash board still same notification. then…”
- NHTSA complaint ODI #11673121 (filed 07/13/2025): “Air conditioning lines eroded and needed to be repaired after 26,000 miles/ 3 or 4 years. a/c line repair cost was $2500. vehicle is garage kept and cleaned regularly during winter, it should not be having rusting problems, especially in this good of condition…”
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: install new condenser and recharge the A/C system (1 reports). 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
CarComplaints.com owners report a typical repair cost of about $1,500 (owner-reported average, not a quote).
Typical parts (search links, no affiliate codes)
AutoZone · O'Reilly · Advance · RockAuto
Sources
- CarComplaints.com: A/C condenser punctured with rock chip (2021 Highlander)
- NHTSA complaints API, 2021 Highlander
Page last updated .