Statistical data set
Top 10 prohibition defects as a percentage of all LGVs inspected at roadside
Updated 17 September 2026
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| Financial year | Period | Defect type | Defects as a percentage of all vehicles inspected |
|---|---|---|---|
| 2026 to 2027 | Quarter 1: April to June | Running gear - condition of tyres | 22.68% |
| 2026 to 2027 | Quarter 1: April to June | Lamps and reflectors - direction indicators | 15.83% |
| 2026 to 2027 | Quarter 1: April to June | Security of body | 10.06% |
| 2026 to 2027 | Quarter 1: April to June | Engine and associated equipment - exhaust emission | 9.06% |
| 2026 to 2027 | Quarter 1: April to June | Brakes - warning systems | 7.99% |
| 2026 to 2027 | Quarter 1: April to June | Seat belts and supplementary restraint system | 6.78% |
| 2026 to 2027 | Quarter 1: April to June | Brakes - parking brake operation and perfomance | 5.99% |
| 2026 to 2027 | Quarter 1: April to June | Lamps, reflectors and electrical equipment | 4.49% |
| 2026 to 2027 | Quarter 1: April to June | Suspension - springs | 3.92% |
| 2026 to 2027 | Quarter 1: April to June | Running gear - road wheels and hubs | 3.14% |
| 2025 to 2026 | Quarter 4: January to March | Running gear - condition of tyres | 21.91% |
| 2025 to 2026 | Quarter 4: January to March | Lamps and reflectors - direction indicators | 16.82% |
| 2025 to 2026 | Quarter 4: January to March | Security of body | 11.48% |
| 2025 to 2026 | Quarter 4: January to March | Engine and associated equipment - exhaust emission | 9.44% |
| 2025 to 2026 | Quarter 4: January to March | Brakes - warning systems | 7.32% |
| 2025 to 2026 | Quarter 4: January to March | Brakes - parking brake operation and perfomance | 6.27% |
| 2025 to 2026 | Quarter 4: January to March | Lamps, reflectors and electrical equipment | 5.52% |
| 2025 to 2026 | Quarter 4: January to March | Seat belts and supplementary restraint system | 4.78% |
| 2025 to 2026 | Quarter 4: January to March | Suspension - springs | 3.48% |
| 2025 to 2026 | Quarter 4: January to March | Brakes - mechanical components | 3.23% |
| 2025 to 2026 | Quarter 3: October to December | Running gear - condition of tyres | 20.40% |
| 2025 to 2026 | Quarter 3: October to December | Lamps and reflectors - direction indicators | 15.87% |
| 2025 to 2026 | Quarter 3: October to December | Security of body | 12.93% |
| 2025 to 2026 | Quarter 3: October to December | Engine and associated equipment - exhaust emission | 9.00% |
| 2025 to 2026 | Quarter 3: October to December | Brakes - warning systems | 7.87% |
| 2025 to 2026 | Quarter 3: October to December | Lamps, reflectors and electrical equipment | 6.33% |
| 2025 to 2026 | Quarter 3: October to December | Seat belts and supplementary restraint system | 6.27% |
| 2025 to 2026 | Quarter 3: October to December | Brakes - parking brake operation and perfomance | 4.60% |
| 2025 to 2026 | Quarter 3: October to December | Running gear - road wheels and hubs | 3.93% |
| 2025 to 2026 | Quarter 3: October to December | Suspension - springs | 3.93% |
| 2025 to 2026 | Quarter 2: July to September | Running gear - condition of tyres | 21.65% |
| 2025 to 2026 | Quarter 2: July to September | Lamps and reflectors - direction indicators | 15.74% |
| 2025 to 2026 | Quarter 2: July to September | Security of body | 11.56% |
| 2025 to 2026 | Quarter 2: July to September | Engine and associated equipment - exhaust emission | 9.96% |
| 2025 to 2026 | Quarter 2: July to September | Brakes - warning systems | 6.95% |
| 2025 to 2026 | Quarter 2: July to September | Lamps, reflectors and electrical equipment | 6.40% |
| 2025 to 2026 | Quarter 2: July to September | Seat belts and supplementary restraint system | 5.90% |
| 2025 to 2026 | Quarter 2: July to September | Brakes - parking brake operation and perfomance | 5.10% |
| 2025 to 2026 | Quarter 2: July to September | Brakes - mechanical components | 3.63% |
| 2025 to 2026 | Quarter 2: July to September | Suspension - springs | 3.20% |
| 2025 to 2026 | Quarter 1: April to June | Running gear - condition of tyres | 21.47% |
| 2025 to 2026 | Quarter 1: April to June | Lamps and reflectors - direction indicators | 15.21% |
| 2025 to 2026 | Quarter 1: April to June | Security of body | 10.77% |
| 2025 to 2026 | Quarter 1: April to June | Engine and associated equipment - exhaust emission | 10.04% |
| 2025 to 2026 | Quarter 1: April to June | Brakes - warning systems | 8.39% |
| 2025 to 2026 | Quarter 1: April to June | Seat belts and supplementary restraint system | 6.20% |
| 2025 to 2026 | Quarter 1: April to June | Brakes - parking brake operation and perfomance | 5.60% |
| 2025 to 2026 | Quarter 1: April to June | Lamps, reflectors and electrical equipment | 4.93% |
| 2025 to 2026 | Quarter 1: April to June | Suspension - springs | 4.01% |
| 2025 to 2026 | Quarter 1: April to June | Brakes - mechanical components | 3.41% |
| 2024 to 2025 | Quarter 4: January to March | Running gear - condition of tyres | 18.48% |
| 2024 to 2025 | Quarter 4: January to March | Lamps and reflectors - direction indicators | 16.01% |
| 2024 to 2025 | Quarter 4: January to March | Security of body | 11.40% |
| 2024 to 2025 | Quarter 4: January to March | Engine and associated equipment - exhaust emission | 9.17% |
| 2024 to 2025 | Quarter 4: January to March | Brakes - warning systems | 6.84% |
| 2024 to 2025 | Quarter 4: January to March | Lamps, reflectors and electrical equipment | 5.80% |
| 2024 to 2025 | Quarter 4: January to March | Seat belts and supplementary restraint system | 5.75% |
| 2024 to 2025 | Quarter 4: January to March | Brakes - parking brake operation and perfomance | 5.40% |
| 2024 to 2025 | Quarter 4: January to March | Suspension - springs | 4.31% |
| 2024 to 2025 | Quarter 4: January to March | Brakes - mechanical components | 2.87% |
| 2024 to 2025 | Quarter 3: October to December | Running gear - condition of tyres | 21.52% |
| 2024 to 2025 | Quarter 3: October to December | Lamps and reflectors - direction indicators | 16.84% |
| 2024 to 2025 | Quarter 3: October to December | Security of body | 11.72% |
| 2024 to 2025 | Quarter 3: October to December | Engine and associated equipment - exhaust emission | 9.69% |
| 2024 to 2025 | Quarter 3: October to December | Brakes - warning systems | 7.48% |
| 2024 to 2025 | Quarter 3: October to December | Brakes - parking brake operation and perfomance | 5.45% |
| 2024 to 2025 | Quarter 3: October to December | Lamps, reflectors and electrical equipment | 5.34% |
| 2024 to 2025 | Quarter 3: October to December | Seat belts and supplementary restraint system | 5.34% |
| 2024 to 2025 | Quarter 3: October to December | Brakes - mechanical components | 3.36% |
| 2024 to 2025 | Quarter 3: October to December | Suspension - springs | 2.97% |
| 2024 to 2025 | Quarter 2: July to September | Running gear - condition of tyres | 20.38% |
| 2024 to 2025 | Quarter 2: July to September | Lamps and reflectors - direction indicators | 15.86% |
| 2024 to 2025 | Quarter 2: July to September | Engine and associated equipment - exhaust emission | 9.85% |
| 2024 to 2025 | Quarter 2: July to September | Security of body | 9.85% |
| 2024 to 2025 | Quarter 2: July to September | Brakes - parking brake operation and perfomance | 6.13% |
| 2024 to 2025 | Quarter 2: July to September | Seat belts and supplementary restraint system | 6.07% |
| 2024 to 2025 | Quarter 2: July to September | Brakes - warning systems | 5.64% |
| 2024 to 2025 | Quarter 2: July to September | Lamps, reflectors and electrical equipment | 5.51% |
| 2024 to 2025 | Quarter 2: July to September | Suspension - springs | 3.59% |
| 2024 to 2025 | Quarter 2: July to September | Uncategorised | 3.35% |
| 2024 to 2025 | Quarter 1: April to June | Running gear - condition of tyres | 22.13% |
| 2024 to 2025 | Quarter 1: April to June | Lamps and reflectors - direction indicators | 16.36% |
| 2024 to 2025 | Quarter 1: April to June | Security of body | 11.69% |
| 2024 to 2025 | Quarter 1: April to June | Engine and associated equipment - exhaust emission | 8.26% |
| 2024 to 2025 | Quarter 1: April to June | Lamps, reflectors and electrical equipment | 6.44% |
| 2024 to 2025 | Quarter 1: April to June | Brakes - warning systems | 6.23% |
| 2024 to 2025 | Quarter 1: April to June | Seat belts and supplementary restraint system | 5.30% |
| 2024 to 2025 | Quarter 1: April to June | Brakes - parking brake operation and perfomance | 5.14% |
| 2024 to 2025 | Quarter 1: April to June | Suspension - springs | 4.78% |
| 2024 to 2025 | Quarter 1: April to June | Brakes - mechanical components | 3.79% |
| 2023 to 2024 | Quarter 4: January to March | Running gear - condition of tyres | 19.05% |
| 2023 to 2024 | Quarter 4: January to March | Lamps and reflectors - direction indicators | 14.13% |
| 2023 to 2024 | Quarter 4: January to March | Security of body | 9.53% |
| 2023 to 2024 | Quarter 4: January to March | Engine and associated equipment - exhaust emission | 8.33% |
| 2023 to 2024 | Quarter 4: January to March | Brakes - warning systems | 6.30% |
| 2023 to 2024 | Quarter 4: January to March | Seat belts and supplementary restraint system | 5.38% |
| 2023 to 2024 | Quarter 4: January to March | Brakes - parking brake operation and perfomance | 4.92% |
| 2023 to 2024 | Quarter 4: January to March | Lamps, reflectors and electrical equipment | 4.83% |
| 2023 to 2024 | Quarter 4: January to March | Suspension - springs | 4.28% |
| 2023 to 2024 | Quarter 4: January to March | Brakes - mechanical components | 2.85% |
| 2023 to 2024 | Quarter 3: October to December | Running gear - condition of tyres | 17.25% |
| 2023 to 2024 | Quarter 3: October to December | Lamps and reflectors - direction indicators | 12.26% |
| 2023 to 2024 | Quarter 3: October to December | Security of body | 7.83% |
| 2023 to 2024 | Quarter 3: October to December | Engine and associated equipment - exhaust emission | 5.83% |
| 2023 to 2024 | Quarter 3: October to December | Lamps, reflectors and electrical equipment | 4.99% |
| 2023 to 2024 | Quarter 3: October to December | Brakes - warning systems | 4.69% |
| 2023 to 2024 | Quarter 3: October to December | Seat belts and supplementary restraint system | 4.69% |
| 2023 to 2024 | Quarter 3: October to December | Suspension - springs | 3.25% |
| 2023 to 2024 | Quarter 3: October to December | Brakes - parking brake operation and perfomance | 3.18% |
| 2023 to 2024 | Quarter 3: October to December | Brakes - mechanical components | 2.84% |
| 2023 to 2024 | Quarter 2: July to September | Running gear - condition of tyres | 19.12% |
| 2023 to 2024 | Quarter 2: July to September | Lamps and reflectors - direction indicators | 12.70% |
| 2023 to 2024 | Quarter 2: July to September | Security of body | 9.52% |
| 2023 to 2024 | Quarter 2: July to September | Engine and associated equipment - exhaust emission | 5.31% |
| 2023 to 2024 | Quarter 2: July to September | Lamps, reflectors and electrical equipment | 5.11% |
| 2023 to 2024 | Quarter 2: July to September | Seat belts and supplementary restraint system | 3.80% |
| 2023 to 2024 | Quarter 2: July to September | Brakes - warning systems | 3.24% |
| 2023 to 2024 | Quarter 2: July to September | Brakes - parking brake operation and perfomance | 3.04% |
| 2023 to 2024 | Quarter 2: July to September | Suspension - springs | 2.83% |
| 2023 to 2024 | Quarter 2: July to September | Running gear - road wheels and hubs | 2.69% |
| 2023 to 2024 | Quarter 1: April to June | Running gear - condition of tyres | 22.53% |
| 2023 to 2024 | Quarter 1: April to June | Lamps and reflectors - direction indicators | 13.65% |
| 2023 to 2024 | Quarter 1: April to June | Security of body | 12.41% |
| 2023 to 2024 | Quarter 1: April to June | Lamps, reflectors and electrical equipment | 5.49% |
| 2023 to 2024 | Quarter 1: April to June | Engine and associated equipment - exhaust emission | 5.29% |
| 2023 to 2024 | Quarter 1: April to June | Suspension - springs | 5.03% |
| 2023 to 2024 | Quarter 1: April to June | Brakes - warning systems | 4.64% |
| 2023 to 2024 | Quarter 1: April to June | Brakes - parking brake operation and perfomance | 4.18% |
| 2023 to 2024 | Quarter 1: April to June | Seat belts and supplementary restraint system | 3.85% |
| 2023 to 2024 | Quarter 1: April to June | Brakes - mechanical components | 3.14% |
| 2022 to 2023 | Quarter 4: January to March | Running gear - condition of tyres | 19.02% |
| 2022 to 2023 | Quarter 4: January to March | Lamps and reflectors - direction indicators | 14.83% |
| 2022 to 2023 | Quarter 4: January to March | Security of body | 9.83% |
| 2022 to 2023 | Quarter 4: January to March | Lamps, reflectors and electrical equipment | 6.85% |
| 2022 to 2023 | Quarter 4: January to March | Brakes - warning systems | 5.48% |
| 2022 to 2023 | Quarter 4: January to March | Seat belts and supplementary restraint system | 5.00% |
| 2022 to 2023 | Quarter 4: January to March | Suspension - springs | 4.43% |
| 2022 to 2023 | Quarter 4: January to March | Engine and associated equipment - exhaust emission | 3.87% |
| 2022 to 2023 | Quarter 4: January to March | Brakes - parking brake operation and perfomance | 3.38% |
| 2022 to 2023 | Quarter 4: January to March | Uncategorised | 2.90% |
| 2022 to 2023 | Quarter 3: October to December | Running gear - condition of tyres | 18.41% |
| 2022 to 2023 | Quarter 3: October to December | Lamps and reflectors - direction indicators | 12.67% |
| 2022 to 2023 | Quarter 3: October to December | Lamps, reflectors and electrical equipment | 6.20% |
| 2022 to 2023 | Quarter 3: October to December | Security of body | 6.06% |
| 2022 to 2023 | Quarter 3: October to December | Seat belts and supplementary restraint system | 5.00% |
| 2022 to 2023 | Quarter 3: October to December | Engine and associated equipment - exhaust emission | 4.67% |
| 2022 to 2023 | Quarter 3: October to December | Brakes - warning systems | 4.49% |
| 2022 to 2023 | Quarter 3: October to December | Suspension - springs | 3.01% |
| 2022 to 2023 | Quarter 3: October to December | Running gear - road wheels and hubs | 2.73% |
| 2022 to 2023 | Quarter 3: October to December | Bodywork - registration plates & vin details | 2.31% |
| 2022 to 2023 | Quarter 2: July to September | Running gear - condition of tyres | 16.44% |
| 2022 to 2023 | Quarter 2: July to September | Lamps and reflectors - direction indicators | 11.64% |
| 2022 to 2023 | Quarter 2: July to September | Security of body | 5.51% |
| 2022 to 2023 | Quarter 2: July to September | Lamps, reflectors and electrical equipment | 4.98% |
| 2022 to 2023 | Quarter 2: July to September | Engine and associated equipment - exhaust emission | 3.33% |
| 2022 to 2023 | Quarter 2: July to September | Seat belts and supplementary restraint system | 3.15% |
| 2022 to 2023 | Quarter 2: July to September | Brakes - warning systems | 2.80% |
| 2022 to 2023 | Quarter 2: July to September | Suspension - springs | 2.58% |
| 2022 to 2023 | Quarter 2: July to September | Brakes - parking brake operation and perfomance | 2.40% |
| 2022 to 2023 | Quarter 2: July to September | Brakes - mechanical components | 2.31% |
| 2022 to 2023 | Quarter 1: April to June | Running gear - condition of tyres | 17.13% |
| 2022 to 2023 | Quarter 1: April to June | Lamps and reflectors - direction indicators | 11.65% |
| 2022 to 2023 | Quarter 1: April to June | Lamps, reflectors and electrical equipment | 6.06% |
| 2022 to 2023 | Quarter 1: April to June | Suspension - springs | 3.59% |
| 2022 to 2023 | Quarter 1: April to June | Engine and associated equipment - exhaust emission | 3.13% |
| 2022 to 2023 | Quarter 1: April to June | Seat belts and supplementary restraint system | 3.13% |
| 2022 to 2023 | Quarter 1: April to June | Security of body | 3.13% |
| 2022 to 2023 | Quarter 1: April to June | Brakes - warning systems | 3.05% |
| 2022 to 2023 | Quarter 1: April to June | Running gear - road wheels and hubs | 2.67% |
| 2022 to 2023 | Quarter 1: April to June | Brakes - parking brake operation and perfomance | 2.59% |
| 2021 to 2022 | Quarter 4: January to March | Running gear - condition of tyres | 15.53% |
| 2021 to 2022 | Quarter 4: January to March | Lamps and reflectors - direction indicators | 11.26% |
| 2021 to 2022 | Quarter 4: January to March | Lamps, reflectors and electrical equipment | 6.23% |
| 2021 to 2022 | Quarter 4: January to March | Brakes - warning systems | 3.52% |
| 2021 to 2022 | Quarter 4: January to March | Engine and associated equipment - exhaust emission | 3.38% |
| 2021 to 2022 | Quarter 4: January to March | Brakes - parking brake operation and perfomance | 2.85% |
| 2021 to 2022 | Quarter 4: January to March | Suspension - springs | 2.80% |
| 2021 to 2022 | Quarter 4: January to March | Seat belts and supplementary restraint system | 2.71% |
| 2021 to 2022 | Quarter 4: January to March | Steering - steering linkage | 2.54% |
| 2021 to 2022 | Quarter 4: January to March | Bodywork - registration plates & vin details | 2.18% |
| 2021 to 2022 | Quarter 3: October to December | Running gear - condition of tyres | 18.62% |
| 2021 to 2022 | Quarter 3: October to December | Lamps and reflectors - direction indicators | 12.14% |
| 2021 to 2022 | Quarter 3: October to December | Lamps, reflectors and electrical equipment | 6.95% |
| 2021 to 2022 | Quarter 3: October to December | Seat belts and supplementary restraint system | 3.52% |
| 2021 to 2022 | Quarter 3: October to December | Suspension - springs | 3.33% |
| 2021 to 2022 | Quarter 3: October to December | Brakes - warning systems | 3.29% |
| 2021 to 2022 | Quarter 3: October to December | Engine and associated equipment - exhaust emission | 3.01% |
| 2021 to 2022 | Quarter 3: October to December | Lamps and reflectors - headlamps | 2.73% |
| 2021 to 2022 | Quarter 3: October to December | Brakes - mechanical components | 2.59% |
| 2021 to 2022 | Quarter 3: October to December | Running gear - road wheels and hubs | 2.59% |
| 2021 to 2022 | Quarter 2: July to September | Running gear - condition of tyres | 17.40% |
| 2021 to 2022 | Quarter 2: July to September | Lamps and reflectors - direction indicators | 11.77% |
| 2021 to 2022 | Quarter 2: July to September | Lamps, reflectors and electrical equipment | 5.83% |
| 2021 to 2022 | Quarter 2: July to September | Suspension - springs | 3.75% |
| 2021 to 2022 | Quarter 2: July to September | Seat belts and supplementary restraint system | 3.49% |
| 2021 to 2022 | Quarter 2: July to September | Engine and associated equipment - exhaust emission | 3.39% |
| 2021 to 2022 | Quarter 2: July to September | Steering - steering linkage | 3.23% |
| 2021 to 2022 | Quarter 2: July to September | Brakes - warning systems | 2.81% |
| 2021 to 2022 | Quarter 2: July to September | Brakes - mechanical components | 2.60% |
| 2021 to 2022 | Quarter 2: July to September | Running gear - road wheels and hubs | 2.19% |
| 2021 to 2022 | Quarter 1: April to June | Running gear - condition of tyres | 17.08% |
| 2021 to 2022 | Quarter 1: April to June | Lamps and reflectors - direction indicators | 12.28% |
| 2021 to 2022 | Quarter 1: April to June | Lamps, reflectors and electrical equipment | 5.12% |
| 2021 to 2022 | Quarter 1: April to June | Suspension - springs | 4.04% |
| 2021 to 2022 | Quarter 1: April to June | Seat belts and supplementary restraint system | 3.23% |
| 2021 to 2022 | Quarter 1: April to June | Steering - steering linkage | 2.75% |
| 2021 to 2022 | Quarter 1: April to June | Brakes - parking brake operation and perfomance | 2.69% |
| 2021 to 2022 | Quarter 1: April to June | Brakes - mechanical components | 2.64% |
| 2021 to 2022 | Quarter 1: April to June | Running gear - road wheels and hubs | 2.59% |
| 2021 to 2022 | Quarter 1: April to June | Engine and associated equipment - exhaust emission | 2.05% |
| 2020 to 2021 | Quarter 4: January to March | Running gear - condition of tyres | 18.74% |
| 2020 to 2021 | Quarter 4: January to March | Lamps and reflectors - direction indicators | 14.51% |
| 2020 to 2021 | Quarter 4: January to March | Lamps, reflectors and electrical equipment | 6.06% |
| 2020 to 2021 | Quarter 4: January to March | Steering - steering linkage | 4.34% |
| 2020 to 2021 | Quarter 4: January to March | Running gear - road wheels and hubs | 3.77% |
| 2020 to 2021 | Quarter 4: January to March | Brakes - parking brake operation and perfomance | 2.86% |
| 2020 to 2021 | Quarter 4: January to March | Suspension - springs | 2.74% |
| 2020 to 2021 | Quarter 4: January to March | Security of body | 2.40% |
| 2020 to 2021 | Quarter 4: January to March | Brakes - warning systems | 2.29% |
| 2020 to 2021 | Quarter 4: January to March | Bodywork - body panelling | 2.17% |
| 2020 to 2021 | Quarter 3: October to December | Running gear - condition of tyres | 17.56% |
| 2020 to 2021 | Quarter 3: October to December | Lamps and reflectors - direction indicators | 10.61% |
| 2020 to 2021 | Quarter 3: October to December | Lamps, reflectors and electrical equipment | 5.58% |
| 2020 to 2021 | Quarter 3: October to December | Suspension - springs | 3.72% |
| 2020 to 2021 | Quarter 3: October to December | Running gear - road wheels and hubs | 2.96% |
| 2020 to 2021 | Quarter 3: October to December | Brakes - warning systems | 2.82% |
| 2020 to 2021 | Quarter 3: October to December | Brakes - parking brake operation and perfomance | 2.34% |
| 2020 to 2021 | Quarter 3: October to December | Seat belts and supplementary restraint system | 2.20% |
| 2020 to 2021 | Quarter 3: October to December | Lamps and reflectors - headlamps | 2.07% |
| 2020 to 2021 | Quarter 3: October to December | Security of body | 2.07% |
| 2020 to 2021 | Quarter 2: July to September | Lamps and reflectors - direction indicators | 14.67% |
| 2020 to 2021 | Quarter 2: July to September | Running gear - condition of tyres | 14.67% |
| 2020 to 2021 | Quarter 2: July to September | Lamps, reflectors and electrical equipment | 3.75% |
| 2020 to 2021 | Quarter 2: July to September | Running gear - road wheels and hubs | 2.36% |
| 2020 to 2021 | Quarter 2: July to September | Suspension - springs | 2.36% |
| 2020 to 2021 | Quarter 2: July to September | Steering - steering linkage | 2.14% |
| 2020 to 2021 | Quarter 2: July to September | Brakes - parking brake operation and perfomance | 1.82% |
| 2020 to 2021 | Quarter 2: July to September | Seat belts and supplementary restraint system | 1.82% |
| 2020 to 2021 | Quarter 2: July to September | Security of body | 1.82% |
| 2020 to 2021 | Quarter 2: July to September | Brakes - mechanical components | 1.71% |
| 2020 to 2021 | Quarter 1: April to June | Running gear - condition of tyres | 18.40% |
| 2020 to 2021 | Quarter 1: April to June | Lamps and reflectors - direction indicators | 11.66% |
| 2020 to 2021 | Quarter 1: April to June | Security of body | 3.68% |
| 2020 to 2021 | Quarter 1: April to June | Lamps, reflectors and electrical equipment | 3.07% |
| 2020 to 2021 | Quarter 1: April to June | Brakes - parking brake operation and perfomance | 2.45% |
| 2020 to 2021 | Quarter 1: April to June | Bodywork - body panelling | 1.43% |
| 2020 to 2021 | Quarter 1: April to June | Brakes - mechanical components | 1.23% |
| 2020 to 2021 | Quarter 1: April to June | Lamps and reflectors - headlamps | 1.23% |
| 2020 to 2021 | Quarter 1: April to June | Suspension - springs | 1.23% |
| 2020 to 2021 | Quarter 1: April to June | Chassis - chassis and attachments | 1.02% |
| 2019 to 2020 | Quarter 4: January to March | Running gear - condition of tyres | 19.30% |
| 2019 to 2020 | Quarter 4: January to March | Lamps and reflectors - direction indicators | 11.30% |
| 2019 to 2020 | Quarter 4: January to March | Seat belts and supplementary restraint system | 4.30% |
| 2019 to 2020 | Quarter 4: January to March | Suspension - springs | 3.50% |
| 2019 to 2020 | Quarter 4: January to March | Brakes - warning systems | 3.40% |
| 2019 to 2020 | Quarter 4: January to March | Brakes - parking brake operation and perfomance | 2.60% |
| 2019 to 2020 | Quarter 4: January to March | Brakes - mechanical components | 2.40% |
| 2019 to 2020 | Quarter 4: January to March | Steering - steering linkage | 2.20% |
| 2019 to 2020 | Quarter 4: January to March | Running gear - road wheels and hubs | 2.00% |
| 2019 to 2020 | Quarter 4: January to March | Engine and associated equipment - exhaust emission | 1.80% |
| 2019 to 2020 | Quarter 3: October to December | Running gear - condition of tyres | 16.00% |
| 2019 to 2020 | Quarter 3: October to December | Lamps and reflectors - direction indicators | 9.00% |
| 2019 to 2020 | Quarter 3: October to December | Suspension - springs | 2.60% |
| 2019 to 2020 | Quarter 3: October to December | Steering - steering linkage | 2.80% |
| 2019 to 2020 | Quarter 3: October to December | Brakes - warning systems | 3.30% |
| 2019 to 2020 | Quarter 3: October to December | Seat belts and supplementary restraint system | 2.70% |
| 2019 to 2020 | Quarter 3: October to December | Brakes - parking brake operation and perfomance | 1.90% |
| 2019 to 2020 | Quarter 3: October to December | Brakes - mechanical components | 2.30% |
| 2019 to 2020 | Quarter 3: October to December | Running gear - road wheels and hubs | 2.10% |
| 2019 to 2020 | Quarter 3: October to December | Engine and associated equipment-exhaust emmsion | 1.90% |
| 2019 to 2020 | Quarter 2: July to September | Running gear - condition of tyres | 16.00% |
| 2019 to 2020 | Quarter 2: July to September | Lamps and reflectors - direction indicators | 7.20% |
| 2019 to 2020 | Quarter 2: July to September | Suspension - springs | 3.10% |
| 2019 to 2020 | Quarter 2: July to September | Steering - steering linkage | 3.10% |
| 2019 to 2020 | Quarter 2: July to September | Brakes - warning systems | 2.90% |
| 2019 to 2020 | Quarter 2: July to September | Seat belts and supplementary restraint system | 2.70% |
| 2019 to 2020 | Quarter 2: July to September | Brakes - parking brake operation and perfomance | 2.40% |
| 2019 to 2020 | Quarter 2: July to September | Brakes - mechanical components | 2.30% |
| 2019 to 2020 | Quarter 2: July to September | Running gear - road wheels and hubs | 2.20% |
| 2019 to 2020 | Quarter 2: July to September | Bodywork - reg plates and vin details | Not set |
| 2019 to 2020 | Quarter 1: April to June | Running gear - condition of tyres | 15.99% |
| 2019 to 2020 | Quarter 1: April to June | Lamps and reflectors - direction indicators | 7.19% |
| 2019 to 2020 | Quarter 1: April to June | Suspension - springs | 3.08% |
| 2019 to 2020 | Quarter 1: April to June | Steering - steering linkage | 3.08% |
| 2019 to 2020 | Quarter 1: April to June | Brakes - warning systems | 2.88% |
| 2019 to 2020 | Quarter 1: April to June | Seat belts and supplementary restraint system | 2.75% |
| 2019 to 2020 | Quarter 1: April to June | Brakes - parking brake operation and perfomance | 2.38% |
| 2019 to 2020 | Quarter 1: April to June | Brakes - mechanical components | 2.32% |
| 2019 to 2020 | Quarter 1: April to June | Running gear - road wheels and hubs | 2.19% |
| 2019 to 2020 | Quarter 1: April to June | Transmission - uncategorised defects | 1.59% |
| 2018 to 2019 | Total | Running gear - condition of tyres | 16.70% |
| 2018 to 2019 | Total | Lamps and reflectors - direction indicators | 9.80% |
| 2018 to 2019 | Total | Suspension - springs | 3.70% |
| 2018 to 2019 | Total | Seat belts and supplementary restraint system | 3.60% |
| 2018 to 2019 | Total | Brakes - warning systems | 3.10% |
| 2018 to 2019 | Total | Brakes - mechanical components | 3.10% |
| 2018 to 2019 | Total | Steering - steering linkage | 3.00% |
| 2018 to 2019 | Total | Brakes - parking brake operation and perfomance | 2.80% |
| 2018 to 2019 | Total | Running gear - road wheels and hubs | 2.30% |
| 2018 to 2019 | Total | Brakes - controls | 2.20% |
| 2017 to 2018 | Total | Running gear - condition of tyres | 14.80% |
| 2017 to 2018 | Total | Lamps and reflectors - direction indicators | 7.90% |
| 2017 to 2018 | Total | Suspension - springs | 3.10% |
| 2017 to 2018 | Total | Seat belts and supplementary restraint system | 2.70% |
| 2017 to 2018 | Total | Brakes - warning systems | 2.50% |
| 2017 to 2018 | Total | Brakes - mechanical components | 2.60% |
| 2017 to 2018 | Total | Steering - steering linkage | 2.50% |
| 2017 to 2018 | Total | Brakes - parking brake operation and perfomance | 2.30% |
| 2017 to 2018 | Total | Running gear - road wheels and hubs | 2.50% |
| 2017 to 2018 | Total | Brakes - controls | 2.10% |
| 2016 to 2017 | Total | Running gear - condition of tyres | 19.20% |
| 2016 to 2017 | Total | Lamps and reflectors - direction indicators | 8.10% |
| 2016 to 2017 | Total | Suspension - springs | 3.80% |
| 2016 to 2017 | Total | Seat belts and supplementary restraint system | 3.00% |
| 2016 to 2017 | Total | Brakes - warning systems | 2.40% |
| 2016 to 2017 | Total | Brakes - mechanical components | 3.10% |
| 2016 to 2017 | Total | Steering - steering linkage | 3.30% |
| 2016 to 2017 | Total | Brakes - parking brake operation and perfomance | 2.80% |
| 2016 to 2017 | Total | Running gear - road wheels and hubs | 3.10% |
| 2016 to 2017 | Total | Brakes - controls | 2.10% |
| 2015 to 2016 | Total | Running gear - condition of tyres | 21.60% |
| 2015 to 2016 | Total | Lamps and reflectors - direction indicators | 8.20% |
| 2015 to 2016 | Total | Steering - steering linkage | 4.00% |
| 2015 to 2016 | Total | Suspension - springs | 4.00% |
| 2015 to 2016 | Total | Running gear - road wheels and hubs | 3.20% |
| 2015 to 2016 | Total | Transmission - drive & propeller shafts | 2.80% |
| 2015 to 2016 | Total | Engine and associated equipment - exhaust system | 3.10% |
| 2015 to 2016 | Total | Brakes - brake valves | 3.60% |
| 2015 to 2016 | Total | Brakes - controls | 2.20% |
| 2015 to 2016 | Total | Vehicle interior - seat belts | 2.70% |
| 2014 to 2015 | Total | Running gear - condition of tyres | 22.50% |
| 2014 to 2015 | Total | Lamps and reflectors - direction indicators | 6.80% |
| 2014 to 2015 | Total | Steering - steering linkage | 3.80% |
| 2014 to 2015 | Total | Suspension - springs | 3.30% |
| 2014 to 2015 | Total | Running gear - road wheels and hubs | 3.20% |
| 2014 to 2015 | Total | Transmission - drive & propeller shafts | 3.10% |
| 2014 to 2015 | Total | Engine and associated equipment - exhaust system | 3.00% |
| 2014 to 2015 | Total | Brakes - brake valves | 3.00% |
| 2014 to 2015 | Total | Brakes - controls | 3.00% |
| 2014 to 2015 | Total | Vehicle interior - seat belts | 2.10% |
| 2013 to 2014 | Total | Running gear - condition of tyres | 20.50% |
| 2013 to 2014 | Total | Lamps and reflectors - direction indicators | 6.00% |
| 2013 to 2014 | Total | Steering - steering linkage | 3.40% |
| 2013 to 2014 | Total | Suspension - springs | 3.20% |
| 2013 to 2014 | Total | Running gear - road wheels and hubs | 2.70% |
| 2013 to 2014 | Total | Transmission - drive & propeller shafts | 3.30% |
| 2013 to 2014 | Total | Engine and associated equipment - exhaust system | 2.90% |
| 2013 to 2014 | Total | Brakes - brake valves | 2.90% |
| 2013 to 2014 | Total | Brakes - controls | 2.10% |
| 2013 to 2014 | Total | Vehicle interior - seat belts | 2.10% |