2020 LEXUS UX M20A-FKS/M15A-FXE (ZA10)

Engine identity

Oils and fluids

Service and parts data

Common and chronic problems

• Early CVT belt wear in high mileage units
• Initial software updates required for hybrid battery management

First checks

• Inspect CVT fluid condition and level
• Check hybrid system battery health if applicable

Avant de remplacer des pièces

• Save fault codes and freeze-frame data before clearing anything.
• Check engine oil, coolant and transmission fluid using the correct temperature and service procedure.
• Verify power, ground, connectors, hoses, leaks and live data before replacing expensive parts.

Important notes

• UX was launched in late 2018 globally and fully in market by 2020 model year.
• Hybrid powertrain usage varies by market; e.g., strong hybrid UX 250h in the US and Europe.