The Tesla Model Y's high-voltage battery and drive unit are covered for 8 years or 120,000 miles, whichever comes first. That's one of the strongest EV warranties in the industry—and a lot of owners don't know exactly what it covers.
What's covered
Defects in the battery pack and drive unit, and excessive degradation—Tesla guarantees a minimum capacity retention over the warranty period. If your pack degrades beyond the threshold or fails due to a defect, it's Tesla's bill.
What's not covered
Damage from accidents, flooding, unauthorized modifications, or using the car outside its intended operation. And critically—the warranty has an expiration date. Once you're past 8 years or 120,000 miles, battery work is on you, which is exactly when maintenance habits (charging practices, drive-unit service) start paying off.
The part owners miss
Warranty coverage doesn't mean "don't think about the battery." The habits that keep a pack healthy during the warranty period are the same habits that keep it alive after—and a well-maintained pack at 119,000 miles is worth far more than a neglected one.
If you're approaching the end of your warranty, get the battery health checked before it expires. That's a free inspection at our shop, and it can be the difference between Tesla's bill and yours.
"The warranty means the battery is Tesla's problem." It's shared responsibility—and the clock is ticking whether you watch it or not.