At a Glance
The Fiat Doblo has 33 identified common problems across 2 generations, with the Mk1 (2000-2010) being the most affected generation and tyres & wheels the most common problem category. Based on 787K 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 Doblo 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 Doblo 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 Doblo Generations
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Most Common Fiat Doblo MOT Failures
Every reason Fiat Doblo 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 | 9.59% |
| 2 | Wiper blades deteriorated | 7.90% |
| 3 | Tyre condition | 7.24% |
| 4 | Suspension joint or bush worn | 7.08% |
| 5 | Exhaust system fault | 5.23% |
| 6 | Stop lamp not working | 5.22% |
| 7 | Number plate lamp not working | 4.51% |
| 8 | Brake performance below minimum | 4.46% |
| 9 | Windscreen washer not working | 3.95% |
| 10 | Headlamp aim defect | 3.77% |
| 11 | Shock absorber worn or leaking | 2.54% |
| 12 | Front lamp not working | 2.49% |
| 13 | Headlamp fault | 2.43% |
| 14 | Windscreen damage affecting view | 2.29% |
| 15 | Coil spring broken or corroded | 2.11% |
| 16 | Driveshaft fault | 2.03% |
| 17 | Brake pads or linings worn | 2.02% |
| 18 | Position lamp not working | 1.95% |
| 19 | Brake disc or drum worn | 1.78% |
| 20 | Track rod end worn | 1.76% |
| 21 | Indicator fault | 1.35% |
| 22 | Ball joint dust cover split | 1.31% |
| 23 | Mirror damaged or missing | 1.03% |
| 24 | Front suspension joint worn | 0.90% |
| 25 | Spark ignition emissions above threshold | 0.89% |
| 26 | Parking brake performance below minimum | 0.83% |
| 27 | Compression ignition emissions above threshold | 0.78% |
| 28 | MacPherson strut worn | 0.69% |
| 29 | Battery loose or leaking | 0.61% |
| 30 | Seat belt condition | 0.57% |
| 31 | Rear lamp not working | 0.55% |
| 32 | Fog lamp not working | 0.53% |
| 33 | Horn not working | 0.53% |
| 34 | Tyre size or type not matched | 0.40% |
| 35 | Rear suspension fault | 0.39% |
| 36 | ABS fault | 0.35% |
| 37 | Airbag warning light on | 0.34% |
| 38 | Parking brake condition | 0.32% |
| 39 | Rear fog lamp not working | 0.31% |
| 40 | Suspension mounting corroded | 0.31% |
| 41 | Rear reflector damaged or missing | 0.30% |
| 42 | Fuel cap damaged or missing | 0.29% |
| 43 | Front suspension fault | 0.29% |
| 44 | Wheel bearing worn | 0.28% |
| 45 | Vehicle structure corrosion | 0.28% |
| 46 | Rigid brake pipe corroded or damaged | 0.26% |
| 47 | Steering rack fault | 0.23% |
| 48 | Brake hydraulic component worn | 0.22% |
| 49 | Chassis condition | 0.22% |
| 50 | Body corrosion or damage | 0.19% |
| 51 | Power steering pipe or hose leaking | 0.18% |
| 52 | Brake pedal fault | 0.18% |
| 53 | Catalytic converter efficiency low | 0.18% |
| 54 | Brake lever fault | 0.18% |
| 55 | Spring mounting corroded | 0.17% |
| 56 | Handbrake lever fault | 0.15% |
| 57 | Engine oil leak | 0.14% |
| 58 | Brake cable, rod, lever or linkage fault | 0.14% |
| 59 | Leaf spring broken or corroded | 0.14% |
| 60 | Tyre valve stem damaged | 0.13% |
| 61 | Suspension linkage fault | 0.12% |
| 62 | Flexible brake hose damaged | 0.12% |
| 63 | Engine mounting worn or broken | 0.11% |
| 64 | Fuel tank corroded or leaking | 0.09% |
| 65 | Electrical wiring fault | 0.09% |
| 66 | Steering operation fault | 0.09% |
| 67 | Fuel pipe corroded or damaged | 0.08% |
| 68 | Brake fluid level low or contaminated | 0.08% |
| 69 | Driver door fault | 0.07% |
| 70 | Brake pedal movement restricted | 0.07% |
| 71 | Suspension arm worn or corroded | 0.07% |
| 72 | Handbrake cable fault | 0.06% |
| 73 | Headlamp levelling device fault | 0.06% |
| 74 | Electrical switch fault | 0.06% |
| 75 | Bonded suspension condition | 0.05% |
| 76 | Front passenger door fault | 0.05% |
| 77 | Undertray damaged or missing | 0.05% |
| 78 | Bonnet catch or hinge fault | 0.05% |
| 79 | Brake fluid leak | 0.05% |
| 80 | Bumper damaged or insecure | 0.05% |
| 81 | King pin or swivel pin worn | 0.05% |
| 82 | Fuel hose damaged or leaking | 0.04% |
| 83 | Spare wheel fault | 0.04% |
| 84 | Tyre pressure monitoring system fault | 0.04% |
| 85 | Brake caliper fault | 0.04% |
| 86 | Exhaust leak | 0.03% |
| 87 | Anti-roll bar worn or corroded | 0.03% |
| 88 | Passenger seat fault | 0.03% |
| 89 | Steering lock fault | 0.03% |
| 90 | Brake fluid warning light on | 0.03% |
| 91 | Dashboard warning lamp fault | 0.03% |
| 92 | Reversing lamp not working | 0.03% |
| 93 | Daytime running lamp not working | 0.03% |
| 94 | Power steering ram fault | 0.03% |
| 95 | Driver airbag fault | 0.02% |
| 96 | Brake fluid reservoir fault | 0.02% |
| 97 | Propshaft fault | 0.02% |
| 98 | Towbar fault | 0.02% |
| 99 | Electronic stability control fault | 0.02% |
| 100 | Hydraulic brake cylinder fault | 0.02% |
| 101 | Driver seat fault | 0.02% |
| 102 | Steering free play excessive | 0.02% |
| 103 | Steering arm worn | 0.02% |
| 104 | Subframe corrosion or damage | 0.02% |
| 105 | Suspension linkage attachment bracket or mounting corroded | 0.02% |
| 106 | Body security fault | 0.02% |
| 107 | Load sensing valve fault | 0.02% |
| 108 | Boot lid damaged or insecure | 0.01% |
| 109 | Window damaged or won't operate | 0.01% |
| 110 | Securing bolts missing or insecure | 0.01% |
| 111 | Power steering pump fault | 0.01% |
| 112 | Brake wheel cylinder fault | 0.01% |
| 113 | Front fog lamp not working | 0.01% |
| 114 | Loading door damaged or insecure | 0.01% |
| 115 | Drag link end worn | 0.01% |
| 116 | Suspension retaining or locking device fault | 0.01% |
| 117 | Mirror or camera fault | 0.01% |
| 118 | Rear fog lamp warning light fault | 0.01% |
| 119 | Handbrake mechanism or mounting fault | <0.01% |
| 120 | Tailgate damaged or insecure | <0.01% |
| 121 | Leaf spring eye worn or broken | <0.01% |
| 122 | Transmission oil leak | <0.01% |
| 123 | Anchor bracket corroded | <0.01% |
| 124 | Suspension unit fault | <0.01% |
| 125 | Hydraulic fluid leak | <0.01% |
| 126 | Reversing lamp switch fault | <0.01% |
| 127 | Dip switch fault | <0.01% |
| 128 | Steering drive system fault | <0.01% |
| 129 | Subframe mounting corroded | <0.01% |
| 130 | Brake air or vacuum system fault | <0.01% |
| 131 | Brake servo fault | <0.01% |
| 132 | Brake valve fault | <0.01% |
| 133 | Speedometer fault | <0.01% |
| 134 | Leaf spring shackle bracket corroded | <0.01% |
| 135 | Steering wheel damaged or insecure | <0.01% |
| 136 | Brake pressure or vacuum buildup insufficient | <0.01% |
| 137 | Vehicle floor corroded | <0.01% |
| 138 | CV joint worn | <0.01% |
| 139 | Indicator warning light fault | <0.01% |
| 140 | Outline marker lamp not working | <0.01% |
| 141 | Exhaust emissions above threshold (non-catalyst) | <0.01% |
| 142 | Steering column fault | <0.01% |
| 143 | Brake master cylinder fault | <0.01% |
| 144 | Brake linkage mounting fault | <0.01% |
| 145 | Electronic braking system fault | <0.01% |
| 146 | Additional braking device fault | <0.01% |
| 147 | Exhaust heat shield or sound insulation damaged | <0.01% |
| 148 | Passenger compartment corrosion | <0.01% |
| 149 | Access panel damaged or insecure | <0.01% |
| 150 | Body strengthening plate corroded | <0.01% |
| 151 | Full power hydraulic brake fault | <0.01% |
| 152 | Passenger airbag fault | <0.01% |
| 153 | Seat belt anchorage fault | <0.01% |
| 154 | Seat belt or padding damaged | <0.01% |
| 155 | Main beam warning light fault | <0.01% |
| 156 | Semaphore indicator fault | <0.01% |
| 157 | Transmission drive belt fault | <0.01% |
| 158 | Suspension rod worn or corroded | <0.01% |
| 159 | Steering coupling worn | <0.01% |
| 160 | Spring saddle corroded | <0.01% |
| 161 | Steering box fault | <0.01% |
| 162 | Hazard warning light fault | <0.01% |
| 163 | Brake back plate corroded or damaged | <0.01% |
| 164 | Wheel hub fault | <0.01% |
| 165 | Headlamp washer not working | <0.01% |
| 166 | Seat belt pre-tensioner fault | <0.01% |
| 167 | Steering lock stop fault | <0.01% |
| 168 | Tie bar or rod worn or corroded | <0.01% |
| 169 | Axle corroded or damaged | <0.01% |
| 170 | Electric power steering fault | <0.01% |
| 171 | Electronic parking brake fault | <0.01% |
| 172 | Halfshaft fault | <0.01% |
| 173 | Steering shaft fault | <0.01% |
| 174 | Axle beam corroded or cracked | <0.01% |
| 175 | Hand-operated brake valve condition | <0.01% |
| 176 | Hinged tailboard damaged or insecure | <0.01% |
| 177 | Radius arm worn or corroded | <0.01% |
| 178 | Steering damper fault | <0.01% |
| 179 | Universal joint worn | <0.01% |
| 180 | Brake pedal linkage fault | <0.01% |
| 181 | Brake relay lever fault | <0.01% |
| 182 | Leaf spring slipper worn | <0.01% |
| 183 | Torsion bar worn or corroded | <0.01% |
| 184 | Air brake cylinder or actuator fault | <0.01% |
| 185 | Brake clevis joint worn | <0.01% |
| 186 | Brake slack adjuster fault | <0.01% |
| 187 | Dropside damaged or insecure | <0.01% |
| 188 | Panhard rod worn or corroded | <0.01% |
| 189 | Steering intermediate drop arm worn | <0.01% |
| 190 | Step damaged or insecure | <0.01% |
| 191 | Stub axle worn | <0.01% |
| 192 | Trailing arm worn or corroded | <0.01% |
Showing all 192 reasons — scroll inside the table for the full list.
Fiat Doblo MOT Failures by Category
Total MOT failure occurrences for the Fiat Doblo, 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 Doblo problems?
Based on analysis of 787K Fiat Doblo MOT tests from DVSA data, we have 33 identified common problems across 2 generations. The most frequently flagged issue is "Number plate lamp not working". Tyres & Wheels is the most common problem category.
Which Fiat Doblo generation has the most problems?
The Fiat Doblo Mk1 (2000-2010) (2000–2010) has the highest number of identified common problems (43). 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 Doblo?
Yes — use the "Tell Us About Your Problem" form on this page. Your report helps other Fiat Doblo owners spot problems early. All submissions are reviewed before being added to the public database.
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