Tesla · 2020–2024
Common Tesla Model Y problems, and how to check them
These are the 2 faults owners and garages report most often on the Tesla Model Y, from the most common down. For each one: what goes wrong, how to check it yourself, and the usual fix, so you know what you’re dealing with before you buy parts.
Fact-checked by a licensed car technician · last reviewed 28 September 2026
Problem 1
Tesla Model Y: Car won’t wake or doors won’t open: failed 12-volt battery
What goes wrong
Early Model Ys used a small lead-acid 12-volt battery that often wears out within two to three years. The car warns “12V battery needs service”; when it dies, the doors and screen stop working. Later cars use a lithium 12-volt battery.
How to check it yourself
Look for a 12-volt battery warning on the screen. If the car is dead, use the 12-volt jump points behind the front tow-eye cover to power it and open the frunk.
The usual fix
Replace the 12-volt battery (Tesla usually swaps it quickly, often under warranty).
Signs: Won’t crank (starter doesn’t turn), Battery warning light
Problem 2
Tesla Model Y: Clunk or creak from the suspension: worn upper control arms or links
What goes wrong
The front upper control arm ball joints let in water and wear early, and bushes in the rear lateral and compliance links can tear, giving clunks over bumps and creaks when turning.
How to check it yourself
Listen for clunks over speed bumps and creaks on full lock; with the car lifted, check the upper control arm ball joints and link bushes for play or torn rubber.
The usual fix
Replace the worn upper control arms or links (Tesla has revised parts for several of them).
Signs: Clunk over bumps, Noise when turning
General guidance, not a professional inspection. Confirm faults with measurements before buying parts, and use a qualified mechanic for brakes, steering, fuel leaks, airbags, and other safety-critical work. Terms and disclaimer