AC Not Cold and Bad Odor
The air conditioning system is not producing cold air and emits a foul smell, likely due to a refrigerant leak, a failing compressor, or microbial growth in the evaporator.
Diagnosis Details
Possible Causes
Low refrigerant level due to a leak in the AC system (common in Tesla Model Y).
Faulty AC compressor or compressor clutch not engaging.
Clogged or dirty cabin air filter causing reduced airflow and odor.
Mold or bacteria buildup in the evaporator core, producing a musty smell.
Related OBD-II Codes
Not satisfied with this diagnosis?
Try Another DiagnosisWhat To Do Next
What You Should Do
Check refrigerant pressure with a manifold gauge set.
Inspect for visible leaks (dye test).
Replace cabin air filter if dirty.
If refrigerant is low, repair leak and recharge.
For odor, use an evaporator cleaner or have the system professionally sanitized.
If compressor is faulty, replace it.
Related Repairs
Share this diagnosis
Help others with similar symptoms
Disclaimer: This AI-generated diagnosis is for informational reference only. Always consult a qualified mechanic for an in-person inspection. AutOwner is not responsible for decisions made based on this information.
