AC Not Cold and Bad Smell – Tesla Model Y 2021
The air conditioning starts cold but quickly becomes warm, accompanied by a bad smell. This suggests a refrigerant leak or a failing compressor, with the odor likely from mold or debris in the evaporator.
Diagnosis Details
Possible Causes
Low refrigerant charge due to a leak (common in Tesla Model Y AC systems).
Faulty compressor or compressor control module.
Clogged or dirty evaporator causing poor heat exchange and bad smell.
Related OBD-II Codes
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What You Should Do
Have the AC system inspected for refrigerant leaks and compressor operation.
Clean or replace the cabin air filter and evaporator if odor persists.
A professional AC service is recommended.
Related Repairs
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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.
