High-pitched whine from Model 3 motor under acceleration

ClearTheCode guidance (Tesla · Engine & drivetrain)

Summary: For High-pitched whine from Model 3 motor under acceleration, work through these steps on your 2016+ vehicle:

1. Confirm the symptom — note when it happens (cold start, highway, after fuel fill, etc.).
2. Scan codes — save all pending/stored DTCs; don't clear until you've recorded them.
3. Check TSBs & recalls — look up your VIN for open campaigns and known fixes.
4. Inspect the obvious — related fuses, connectors, fluid level, and recent repairs.
5. Test the common fix — follow model-specific service procedures; one change at a time.
6. Escalate if needed — burning smell, no brakes, overheating, or stalling in traffic → shop visit.

Owner reported: Hey everyone,

My 2019 Tesla Model 3 Long Range has developed a noticeable high-pitched whine, especially when accelerating from a stop or at lower speeds. It's not super loud but definitely wasn't there before. It sounds like it's coming from the rear motor, and it's most prominent between 10-40 mph.

I've checked the tires and brakes, doesn't seem to be related to those. It's been happening for …

This is educational guidance, not a substitute for hands-on diagnosis.