2021 Toyota Camry: Moldy smell from outside air
Common wear/failure (not a recall)
Symptoms
Owners of the 2021 Camry report: moldy smell from outside air. CarComplaints.com lists 1 owner complaints, average mileage 52,150 miles.
NHTSA has 2 owner complaints for the 2021 Camry in this area. Examples:
- NHTSA complaint ODI #11609213 (filed 08/18/2024): “When turning on the ac while driving the master warning light comes on along with engine maintenance required flashing across screen. it seems the engine coolant bypass valvue is faulty. i am in the process of getting the vehicle fixed.…”
- NHTSA complaint ODI #11594482 (filed 06/14/2024): “Engine maintenance required is showing on dash when ac is turned on. this seems to be common among 2019 and newer toyotas. the code says the coolant sensor needs to be replaced…”
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.
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