At a Glance
The Lexus Nx has 7 identified common problems across 2 generations, with the AZ10 (2014-2021) being the most affected generation and tyres & wheels the most common problem category. Based on 117K MOT tests from DVSA data.
Problems are patterns in the DVSA data that occur significantly more often on a specific model than the UK average — confirmed at 99% statistical confidence. Read our DVSA MOT data methodology →
Below: generation-by-generation comparison of Lexus Nx common problems, MOT failure types, and pass-rate data drawn from DVSA records. Click any generation to see fuel- and engine-specific fault patterns, mileage-banded repair guidance, and the most common MOT failures testers record.
MOT Tests & Failures by Generation
Lexus Nx generations by MOT tests, failures, and identified problems from DVSA data
Hover over each bar for a full breakdown. Tap any bar to view that generation's problems.
Showing total MOT tests, failures, and known problems per make. Hover over each bar for a full breakdown.
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Tell Us About Your Problem
Help other Lexus Nx owners — report a problem and we'll add it to the database
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Browse Lexus Nx Generations
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Most Common Lexus Nx MOT Failures
Every reason Lexus Nx vehicles fail their MOT, ranked by frequency. Select an individual year to see only that year’s failures, or stay on ‘All time’ for the combined picture across our 20 years of DVSA data. Scroll inside the table for the full list.
| # | Failure | % of failures |
|---|---|---|
| 1 | Tyre tread depth below limit | 19.95% |
| 2 | Tyre condition | 19.64% |
| 3 | Brake pads or linings worn | 11.97% |
| 4 | Suspension joint or bush worn | 9.41% |
| 5 | Ball joint dust cover split | 6.28% |
| 6 | Wiper blades deteriorated | 5.67% |
| 7 | Windscreen damage affecting view | 4.03% |
| 8 | Windscreen washer not working | 4.03% |
| 9 | Brake disc or drum worn | 3.87% |
| 10 | Brake performance below minimum | 2.62% |
| 11 | Headlamp fault | 1.53% |
| 12 | Position lamp not working | 1.01% |
| 13 | Shock absorber worn or leaking | 0.74% |
| 14 | Seat belt condition | 0.66% |
| 15 | Tyre size or type not matched | 0.65% |
| 16 | Mirror damaged or missing | 0.63% |
| 17 | Indicator fault | 0.55% |
| 18 | Reversing lamp not working | 0.54% |
| 19 | Parking brake performance below minimum | 0.49% |
| 20 | Front fog lamp not working | 0.41% |
| 21 | Tyre pressure monitoring system fault | 0.41% |
| 22 | Flexible brake hose damaged | 0.38% |
| 23 | Bumper damaged or insecure | 0.36% |
| 24 | Stop lamp not working | 0.35% |
| 25 | Spark ignition emissions above threshold | 0.25% |
| 26 | Rear fog lamp not working | 0.22% |
| 27 | Electronic parking brake fault | 0.19% |
| 28 | Number plate lamp not working | 0.19% |
| 29 | Suspension arm worn or corroded | 0.19% |
| 30 | ABS fault | 0.17% |
| 31 | Brake fluid level low or contaminated | 0.16% |
| 32 | Electronic stability control fault | 0.14% |
| 33 | Brake pedal fault | 0.13% |
| 34 | Driveshaft fault | 0.13% |
| 35 | Headlamp washer not working | 0.13% |
| 36 | Track rod end worn | 0.13% |
| 37 | Daytime running lamp not working | 0.11% |
| 38 | Undertray damaged or missing | 0.11% |
| 39 | Exhaust system fault | 0.09% |
| 40 | Steering rack fault | 0.09% |
| 41 | Suspension linkage fault | 0.09% |
| 42 | Headlamp levelling device fault | 0.08% |
| 43 | Dip switch fault | 0.06% |
| 44 | Electronic braking system fault | 0.06% |
| 45 | Front passenger door fault | 0.06% |
| 46 | Headlamp aim defect | 0.06% |
| 47 | King pin or swivel pin worn | 0.06% |
| 48 | Airbag warning light on | 0.05% |
| 49 | Boot lid damaged or insecure | 0.05% |
| 50 | Brake fluid reservoir fault | 0.05% |
| 51 | Wheel bearing worn | 0.05% |
| 52 | Window damaged or won't operate | 0.05% |
| 53 | Body corrosion or damage | 0.03% |
| 54 | Coil spring broken or corroded | 0.03% |
| 55 | Engine oil leak | 0.03% |
| 56 | Fog lamp not working | 0.03% |
| 57 | Fuel hose damaged or leaking | 0.03% |
| 58 | Fuel pipe corroded or damaged | 0.03% |
| 59 | Fuel tank corroded or leaking | 0.03% |
| 60 | Horn not working | 0.03% |
| 61 | Main beam warning light fault | 0.03% |
| 62 | Rear reflector damaged or missing | 0.03% |
| 63 | Steering lock fault | 0.03% |
| 64 | Suspension mounting corroded | 0.03% |
| 65 | Anti-roll bar worn or corroded | 0.02% |
| 66 | Brake cable, rod, lever or linkage fault | 0.02% |
| 67 | Brake caliper fault | 0.02% |
| 68 | Brake pedal movement restricted | 0.02% |
| 69 | Chassis condition | 0.02% |
| 70 | Driver airbag fault | 0.02% |
| 71 | Driver door fault | 0.02% |
| 72 | Electric power steering fault | 0.02% |
| 73 | Electrical switch fault | 0.02% |
| 74 | Electrical wiring fault | 0.02% |
| 75 | Front lamp not working | 0.02% |
| 76 | Handbrake lever fault | 0.02% |
| 77 | Mirror or camera fault | 0.02% |
| 78 | Passenger seat fault | 0.02% |
| 79 | Propshaft fault | 0.02% |
| 80 | Seat belt or padding damaged | 0.02% |
| 81 | Suspension linkage attachment bracket or mounting corroded | 0.02% |
| 82 | Transmission oil leak | 0.02% |
| 83 | Wheel hub fault | 0.02% |
Showing all 83 reasons — scroll inside the table for the full list.
Lexus Nx MOT Failures by Category
Total MOT failure occurrences for the Lexus Nx, grouped by category. Same data as the failures table above — just sliced by category instead of fault title. Hover a slice for the top failures in each category.
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Frequently Asked Questions
What are the most common Lexus Nx problems?
Based on analysis of 117K Lexus Nx MOT tests from DVSA data, we have 7 identified common problems across 2 generations. The most frequently flagged issue is "Wiper blades deteriorated". Tyres & Wheels is the most common problem category.
Which Lexus Nx generation has the most problems?
The Lexus Nx AZ10 (2014-2021) (2014–2021) has the highest number of identified common problems (7). Click the generation card above for the full breakdown.
How is this data calculated?
We analyse anonymised DVSA MOT test records under the Open Government Licence. An issue is classified as a "Common Problem" when it occurs significantly more often on a specific model than the UK average, confirmed at 99% statistical confidence. Read the full methodology page for details.
Can I report a problem with my Lexus Nx?
Yes — use the "Tell Us About Your Problem" form on this page. Your report helps other Lexus Nx owners spot problems early. All submissions are reviewed before being added to the public database.
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