Rotten Egg Smell During Acceleration
A rotten egg (sulfur) smell when accelerating in a Tesla Model 3 typically indicates a battery or electrical issue, often related to the high-voltage battery pack or charging system. This can be caused by a failing battery cell, a malfunctioning battery management system, or an electrical short producing hydrogen sulfide gas.
Diagnosis Details
Possible Causes
High-voltage battery cell failure or thermal runaway precursor
Battery management system (BMS) malfunction causing overcharging or imbalance
Electrical short or arcing in high-voltage components (e.g., inverter, motor)
Related OBD-II Codes
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What You Should Do
Stop driving immediately and park the vehicle in a well-ventilated area away from buildings or flammable materials.
Do not attempt to open the battery or high-voltage components.
Contact Tesla Roadside Assistance or a certified Tesla service center for immediate inspection.
Do not charge the vehicle until the issue is diagnosed.
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.