2021 Lexus UX maintenance schedule
The 2021 UX is part of the ZA10 generation (2019-2026), sold as an SUV. Below: its service intervals with the source behind each one, the fluids it takes, the problems owners report for this year, and the NHTSA recalls issued for it.
Service schedule
What the 2021 UX needs, and when
6 of these 7 items come from Lexus's own published schedule. Manufacturer rows link to Lexus's own schedule, Independent rows to a service shop or parts retailer's published guide.
| Service | Interval | Source |
|---|---|---|
| Engine oil and filter | 10,000 mi / 1 year | Manufacturer |
| Tire rotation 40,000 to 60,000 replacement interval | 40,000 mi | Independent |
| Brake fluid | 30,000 mi / 3 years | Manufacturer |
| Engine coolant | 100,000 mi / 10 years | Manufacturer |
| Transmission fluid | No scheduled replacement | Manufacturer |
| Spark plugs | 120,000 mi / 12 years | Manufacturer |
| EV coolant loops (Hybrid) | 150,000 mi / 15 years | Manufacturer |
Intervals are for normal driving; towing, short trips, extreme heat or dust shorten them. Services we could not find an interval for are left off rather than guessed.
Fluids and engines
What goes in it
Powertrains in this generation
- 2.0 L 4-cyl (M20A-FKS), CVT, FWD
- 2.0 L 4-cyl hybrid, eCVT, AWD
Confirm the exact spec against the owner's manual or the label under the hood; capacities vary by engine and drivetrain.
Known problems
What 2021 UX owners run into
Problems reported for this model year, with the mileage they tend to show up at. Buying past a window is not automatically a pass - it just needs to be priced in.
CVT harsh shifts / TCM failure
high severityFrom about 60,000 mi · $1,500-$3,000 to fix
Shuddering under load
Source: usedcaryear.com
Power Control Unit (PCU) sensor fault
high severity$3,000-$5,000 to fix
Limp mode
Source: usedcaryear.com
High-Voltage Battery degradation
medium severity$2,500-$4,000 to fix
State of charge fluctuating
Source: usedcaryear.com
Safety recalls
No NHTSA recalls matched the 2021 Lexus UX
From NHTSA's recall database, matched by model and year. Recall repairs are free at Lexus dealers, and a given car may already be fixed or fall outside a campaign, so check the VIN at nhtsa.gov/recalls before you buy.
Running costs
What maintenance typically costs
- A typical year of maintenance
- $430
Typical US independent-shop estimates for this generation; they vary by region and condition.
Other UX model years
Shopping new? The Lexus UX guide covers the current model, with what it costs to keep for 1 to 15 years.
Sources
- assets.sia.toyota.com (Manufacturer)
- assets.sia.toyota.com (Manufacturer)
- usedcaryear.com (Independent)
Researched 2026-09-22. Modeling, not mechanic advice - always confirm against your car's owner's manual and service records.
Running a UX for income?
Carlyle scores the exact listing on cost per remaining mile and projected Turo income, so you know what a 2021 UX earns before you buy it.
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