Sharp Chemical Smell in Tesla Model Y
A persistent sharp chemical odor in a 2021 Tesla Model Y may indicate an electrical issue, such as overheating components or a battery thermal event, or a refrigerant leak from the HVAC system. Immediate inspection is recommended to prevent safety risks.
Diagnosis Details
Possible Causes
HVAC refrigerant leak (e.g., from the air conditioning system) producing a sharp, sweet chemical smell.
Overheating electrical components (e.g., inverter, motor, or battery pack) emitting a chemical odor from insulation or coolant.
Battery thermal runaway or cell failure, which can produce a pungent, acrid smell and poses a fire risk.
Related OBD-II Codes
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What You Should Do
Stop driving immediately and park in a well-ventilated area away from structures.
Do not attempt to open the high-voltage battery.
Contact Tesla Roadside Assistance or a certified Tesla service center for a diagnostic inspection.
Avoid using the HVAC system until the source is identified.
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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.
