At a Glance
The Fiat 500x has 5 identified common problems across 1 generation, with the 500X (2014-2025) being the most affected generation and tyres & wheels the most common problem category. Based on 186K 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 Fiat 500x 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
Fiat 500x 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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Browse Fiat 500x Generations
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Most Common Fiat 500x MOT Failures
Every reason Fiat 500x 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 condition | 18.38% |
| 2 | Tyre tread depth below limit | 17.36% |
| 3 | Windscreen washer not working | 8.23% |
| 4 | Position lamp not working | 6.75% |
| 5 | Suspension joint or bush worn | 5.90% |
| 6 | Brake pads or linings worn | 4.37% |
| 7 | Spark ignition emissions above threshold | 4.32% |
| 8 | Brake disc or drum worn | 3.73% |
| 9 | Wiper blades deteriorated | 2.70% |
| 10 | Coil spring broken or corroded | 2.31% |
| 11 | Brake performance below minimum | 2.30% |
| 12 | Headlamp fault | 2.17% |
| 13 | Indicator fault | 2.07% |
| 14 | Windscreen damage affecting view | 1.93% |
| 15 | Ball joint dust cover split | 1.86% |
| 16 | Number plate lamp not working | 1.79% |
| 17 | Stop lamp not working | 1.63% |
| 18 | Track rod end worn | 1.31% |
| 19 | Seat belt condition | 0.99% |
| 20 | Exhaust system fault | 0.95% |
| 21 | Driveshaft fault | 0.80% |
| 22 | Compression ignition emissions above threshold | 0.71% |
| 23 | Reversing lamp not working | 0.67% |
| 24 | Rear reflector damaged or missing | 0.49% |
| 25 | Horn not working | 0.47% |
| 26 | Rear fog lamp not working | 0.44% |
| 27 | Mirror damaged or missing | 0.42% |
| 28 | Tyre pressure monitoring system fault | 0.40% |
| 29 | Parking brake performance below minimum | 0.37% |
| 30 | Shock absorber worn or leaking | 0.33% |
| 31 | Daytime running lamp not working | 0.31% |
| 32 | Tyre size or type not matched | 0.29% |
| 33 | Airbag warning light on | 0.25% |
| 34 | Steering rack fault | 0.20% |
| 35 | Electronic parking brake fault | 0.19% |
| 36 | Engine oil leak | 0.18% |
| 37 | Wheel bearing worn | 0.16% |
| 38 | ABS fault | 0.15% |
| 39 | Driver door fault | 0.12% |
| 40 | Bumper damaged or insecure | 0.12% |
| 41 | Electronic stability control fault | 0.12% |
| 42 | Undertray damaged or missing | 0.11% |
| 43 | Battery loose or leaking | 0.10% |
| 44 | Electrical switch fault | 0.10% |
| 45 | Front fog lamp not working | 0.09% |
| 46 | Suspension linkage fault | 0.09% |
| 47 | Headlamp levelling device fault | 0.08% |
| 48 | Front passenger door fault | 0.08% |
| 49 | Tyre valve stem damaged | 0.07% |
| 50 | Engine mounting worn or broken | 0.06% |
| 51 | Brake fluid level low or contaminated | 0.06% |
| 52 | Driver seat fault | 0.06% |
| 53 | King pin or swivel pin worn | 0.06% |
| 54 | Flexible brake hose damaged | 0.05% |
| 55 | Electronic braking system fault | 0.05% |
| 56 | Suspension mounting corroded | 0.05% |
| 57 | Rigid brake pipe corroded or damaged | 0.04% |
| 58 | Suspension arm worn or corroded | 0.04% |
| 59 | Propshaft fault | 0.03% |
| 60 | Outline marker lamp not working | 0.03% |
| 61 | Passenger seat fault | 0.03% |
| 62 | Brake caliper fault | 0.02% |
| 63 | Front lamp not working | 0.02% |
| 64 | Anti-roll bar worn or corroded | 0.02% |
| 65 | Chassis condition | 0.02% |
| 66 | Electrical wiring fault | 0.02% |
| 67 | Drag link end worn | 0.02% |
| 68 | Hazard warning light fault | 0.02% |
| 69 | Rear fog lamp warning light fault | 0.02% |
| 70 | Reversing lamp switch fault | 0.02% |
| 71 | MacPherson strut worn | 0.02% |
| 72 | Electric power steering fault | 0.02% |
| 73 | Indicator warning light fault | 0.02% |
| 74 | Window damaged or won't operate | 0.02% |
| 75 | Boot lid damaged or insecure | 0.01% |
| 76 | Steering arm worn | 0.01% |
| 77 | Headlamp aim defect | 0.01% |
| 78 | Main beam warning light fault | 0.01% |
| 79 | Mirror or camera fault | 0.01% |
| 80 | Steering wheel damaged or insecure | 0.01% |
| 81 | Brake pedal fault | <0.01% |
| 82 | Fuel tank corroded or leaking | <0.01% |
| 83 | Steering lock fault | <0.01% |
| 84 | Suspension rod worn or corroded | <0.01% |
| 85 | Bonnet catch or hinge fault | <0.01% |
| 86 | Brake fluid reservoir fault | <0.01% |
| 87 | Dip switch fault | <0.01% |
| 88 | Seat belt or padding damaged | <0.01% |
| 89 | Transmission oil leak | <0.01% |
| 90 | Driver airbag fault | <0.01% |
| 91 | Exhaust heat shield or sound insulation damaged | <0.01% |
| 92 | Exhaust leak | <0.01% |
| 93 | Fuel cap damaged or missing | <0.01% |
| 94 | Speedometer fault | <0.01% |
| 95 | Stub axle worn | <0.01% |
| 96 | Towbar fault | <0.01% |
| 97 | Body corrosion or damage | <0.01% |
| 98 | Brake fluid leak | <0.01% |
| 99 | Brake servo fault | <0.01% |
| 100 | Fuel hose damaged or leaking | <0.01% |
| 101 | Fuel pipe corroded or damaged | <0.01% |
| 102 | Handbrake mechanism or mounting fault | <0.01% |
| 103 | Headlamp washer not working | <0.01% |
| 104 | Rear lamp not working | <0.01% |
| 105 | Rear suspension fault | <0.01% |
| 106 | Subframe corrosion or damage | <0.01% |
| 107 | Transmission drive belt fault | <0.01% |
| 108 | Universal joint worn | <0.01% |
Showing all 108 reasons — scroll inside the table for the full list.
Fiat 500x MOT Failures by Category
Total MOT failure occurrences for the Fiat 500x, 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 Fiat 500x problems?
Based on analysis of 186K Fiat 500x MOT tests from DVSA data, we have 5 identified common problems across 1 generation. The most frequently flagged issue is "Position lamp not working". Tyres & Wheels is the most common problem category.
Which Fiat 500x generation has the most problems?
The Fiat 500x 500X (2014-2025) (2014–2025) has the highest number of identified common problems (5). 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 Fiat 500x?
Yes — use the "Tell Us About Your Problem" form on this page. Your report helps other Fiat 500x owners spot problems early. All submissions are reviewed before being added to the public database.
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