Buyer's Guide

Beyond SC01 verification, there are critical things to understand when buying a pre-2017 Tesla Model S or Model X. Pick a topic below — each has its own page you can bookmark or share.

Eligible Models
Which Model S and Model X build years and trims could carry SC01, and which never did.
How to Verify
Methods to confirm SC01 transferable free supercharging on a specific vehicle before you buy.
SC Codes
What SC01, SC04, SC05 and the rest of the supercharging codes mean for eligibility.
LDU Issues
Large drive unit failure modes on pre-2017 cars, what to listen for, and how revisions evolved.
Autopilot
Autopilot hardware generations (AP1, AP2, AP2.5) and what each can and cannot do.
MCU Versions
MCU1 vs MCU2, the known eMMC failures, and what an upgrade actually gets you.
Common Issues
Door handles, suspension, sunroof, and the other pre-purchase inspection items.