“Tesla 12V battery warranty” is not the same as Tesla’s high-voltage pack warranty. The pack has its own term by model. The 12V sits under the Basic Vehicle Limited Warranty unless your own VIN paperwork says otherwise. Confirm that on Tesla.com for this car before you wait on a warranty tow.
Two warranties, two batteries
Tesla’s battery-warranty page that ranks for this query is about the traction pack. Pack terms on that national page are an 8-year class of coverage with mile caps that change by model. That is not a 12V answer.
The 12V is the small battery that wakes the car. Lead-acid on earlier Shanghai and Fremont builds. Lithium-ion after about October 2021 in Shanghai and about December 2021 in Fremont. When it dies, the car is dark. The pack can still show range in the app.
Tesla’s Basic Vehicle Limited Warranty covers the vehicle for 4 years or 50,000 miles, whichever comes first. Tesla says the public warranty page is for general knowledge and the owner’s own warranty document is authoritative. Whether the 12V is inside that Basic term for your VIN is a Tesla document question. This page will not invent a separate 12V-year figure.
If you need the pack terms, use what Tesla’s battery warranty actually covers. Keep this URL for the low-voltage battery.
What to check on Tesla.com for this VIN
Open Tesla’s vehicle-warranty page and the warranty PDF that belongs to this car. Look for Basic Vehicle Limited Warranty. Look for any line that names the 12V, the low-voltage battery, or “ancillary.” Screenshot it.
Ask Tesla Service three plain questions. Is a failed 12V a warrantable defect on this VIN. Does that still apply after a wet sit or a long park. Will Tesla Roadside treat this as a covered 12V event or as an owner-pay jump.
Tesla’s North America roadside policy states coverage extends for 4 years or 50,000 miles, whichever occurs first. Roadside events not related to the battery or drive unit past that New or Pre-Owned Vehicle Limited Warranty window are the owner’s responsibility. A 12V no-start can be a roadside event. It is not automatically a free battery.
Tesla also publishes DIY 12V replacement steps on its service site. That is Tesla telling owners the 12V is a replaceable part. DIY does not answer warranty. Warranty is the document for the VIN.
Tesla Roadside for a warrantable breakdown that leaves the vehicle undrivable states transportation of up to 500 miles to the nearest Service Center. That is a tow to Tesla, not a pack charge, and not a promise that the 12V itself is paid for.
Roadside jump versus a warranty claim
A Puget Sound 12V death is usually a wet sit, not a factory defect you can see from the driveway. The car sat in the rain. The garage was unheated. Sea-Tac’s long-term floors did the same work. A jump gets the car moving. A load-test tells you if the 12V will hold.
A matched operator jumps a dead 12V on site, load-tests it, and can replace a failed 12V on site (AGM lead-acid or lithium, per model year). The operator quotes both options and bills you. Charge Pro SEA does not file Tesla warranty claims and does not speak for Tesla.
If Tesla Service later agrees the 12V was defective inside the Basic term, that is between you and Tesla. Keep the old part and the invoice if Tesla asks for them. This site does not publish Tesla’s reimbursement rules.
Tesla cannot be used to jump start another vehicle. Do not make a second Tesla the donor while you wait on warranty.
King County has 63,017 Teslas of 144,257 EVs. Statewide Tesla is 122,981 of 299,705 registered EVs. Most of those cars will see a 12V replacement in ordinary service. Warranty is the exception you confirm, not the default you wait for on a shoulder.
When to skip the claim and wake the car
Skip the warranty queue when the car is blocking a driveway, a garage ramp, or a Sea-Tac stall and you need Drive today. Skip it when Tesla’s document for this VIN does not name the 12V. Skip it when the car already sat through a week of wet cold and the failure looks like a spent battery, not a new-car defect.
Call (206) 202-7018. Charge Pro SEA is a referral service. It matches you with a licensed, independent local operator for a Tesla 12V battery jump. The operator quotes, does the work, and bills you. The brand sets no price and promises no ETA.
If the pack is the real problem, that is Tesla’s pack warranty and Tesla Roadside. If the 12V is the problem, wake the car first. How long the 12V lasts is a separate question, answered in how long a Tesla 12V battery lasts.