Front upper control arm clunk
usually 50,000–120,000 km · Wear part
Signs: Clunk over bumps
Fix: Replace control arms
€300–700
Engine: common problems, timing drive and oil
Electric drive unit
Electric
4
model generations
5
known faults
1,270,000
new cars in the EU (2010–2025)
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Fuel: Electric. Timing drive: none (EV).
In our database this engine is fitted to 4 model generations, among them: Tesla Model Y, Tesla Model 3, Tesla Model S, Tesla Model X.
The most expensive known risk is heat pump / coolant valve (2020–2021): it usually appears at 40,000–120,000 km and costs €300–1,200 to fix.
Key facts
| Fuel | Electric |
|---|---|
| Timing drive | None (EV) |
Known engine faults
Faults that belong to the engine itself. They apply to every model with this engine, and each model has its own extra faults on its model page.
Low-voltage battery
usually 120,000–240,000 km · Wear part
Signs: 'Replace 12V battery' alert
Fix: Replace LV battery
€100–300
Brake calipers seizing (low use)
usually 80,000–150,000 km · Wear part
Signs: Uneven pad wear; regen means brakes rarely used
Fix: Service calipers yearly
€100–400
Heat pump / coolant valve (2020–2021)
usually 40,000–120,000 km · Medium risk
Signs: Cabin heat loss in cold weather
Fix: Replace valve assembly
€300–1,200
HV battery capacity loss
usually 150,000–300,000 km · Wear part
Signs: Range ~10–15% below new
Fix: Normal ageing; covered 8 yr / 160,000+ km
free / recall
Models with this engine
Model generations this engine is fitted to.
Tesla Model 3 2017–Tesla Model S 2012–Tesla Model X 2015–Tesla Model Y 2020–
Common questions
What are the known problems with the Electric drive unit engine?
The faults with the highest risk: heat pump / coolant valve (2020–2021) (40,000–120,000 km, €300–1,200).
Which cars have the Electric drive unit engine?
Tesla Model Y, Tesla Model 3, Tesla Model S, Tesla Model X.
Sources and notes
Faults, intervals and prices are indicative and collected from public sources and owner experience; always rely on the service book and a qualified workshop. Test statistics: DVSA – Anonymised MOT tests and results, Open Government Licence v3.0. Dutch tests: RDW Open Data (CC0). Engine versions: EEA, monitoring of CO₂ emissions from new passenger cars (CC BY 4.0, DG CLIMA). Owner complaints: NHTSA ODI (public domain). Recalls: DVSA Vehicle Safety Branch Recalls Database, OGL v3.0. Brand and model names are trademarks of their owners and are used only to describe the vehicles.
Updated 08/10/2026