Statistical data set
Top 10 prohibition defects as a percentage of all HGV trailers inspected at roadside and operators' premises
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 | Condition of tyres | 15.48% |
| 2026 to 2027 | Quarter 1: April to June | Brake systems and components | 6.23% |
| 2026 to 2027 | Quarter 1: April to June | Suspension | 3.48% |
| 2026 to 2027 | Quarter 1: April to June | Spray suppression, wings and wheel arches | 2.85% |
| 2026 to 2027 | Quarter 1: April to June | Road wheels and hubs | 2.63% |
| 2026 to 2027 | Quarter 1: April to June | Service brake operation | 2.59% |
| 2026 to 2027 | Quarter 1: April to June | Lamps | 2.48% |
| 2026 to 2027 | Quarter 1: April to June | Service brake performance | 1.87% |
| 2026 to 2027 | Quarter 1: April to June | Parking brake performance | 1.67% |
| 2026 to 2027 | Quarter 1: April to June | Security of body | 1.63% |
| 2025 to 2026 | Quarter 4: January to March | Condition of tyres | 11.72% |
| 2025 to 2026 | Quarter 4: January to March | Brake systems and components | 5.87% |
| 2025 to 2026 | Quarter 4: January to March | Lamps | 4.26% |
| 2025 to 2026 | Quarter 4: January to March | Suspension | 3.39% |
| 2025 to 2026 | Quarter 4: January to March | Road wheels and hubs | 2.68% |
| 2025 to 2026 | Quarter 4: January to March | Spray suppression, wings and wheel arches | 2.58% |
| 2025 to 2026 | Quarter 4: January to March | Service brake operation | 2.52% |
| 2025 to 2026 | Quarter 4: January to March | Security of body | 2.03% |
| 2025 to 2026 | Quarter 4: January to March | Service brake performance | 1.81% |
| 2025 to 2026 | Quarter 4: January to March | Parking brake performance | 1.48% |
| 2025 to 2026 | Quarter 3: October to December | Condition of tyres | 11.21% |
| 2025 to 2026 | Quarter 3: October to December | Brake systems and components | 6.30% |
| 2025 to 2026 | Quarter 3: October to December | Road wheels and hubs | 3.19% |
| 2025 to 2026 | Quarter 3: October to December | Lamps | 3.13% |
| 2025 to 2026 | Quarter 3: October to December | Suspension | 2.73% |
| 2025 to 2026 | Quarter 3: October to December | Service brake operation | 2.36% |
| 2025 to 2026 | Quarter 3: October to December | Spray suppression, wings and wheel arches | 2.36% |
| 2025 to 2026 | Quarter 3: October to December | Security of body | 1.98% |
| 2025 to 2026 | Quarter 3: October to December | Service brake performance | 1.92% |
| 2025 to 2026 | Quarter 3: October to December | Parking brake performance | 1.82% |
| 2025 to 2026 | Quarter 2: July to September | Condition of tyres | 13.05% |
| 2025 to 2026 | Quarter 2: July to September | Brake systems and components | 7.23% |
| 2025 to 2026 | Quarter 2: July to September | Suspension | 3.20% |
| 2025 to 2026 | Quarter 2: July to September | Spray suppression, wings and wheel arches | 2.87% |
| 2025 to 2026 | Quarter 2: July to September | Parking brake performance | 2.63% |
| 2025 to 2026 | Quarter 2: July to September | Road wheels and hubs | 2.50% |
| 2025 to 2026 | Quarter 2: July to September | Service brake performance | 2.42% |
| 2025 to 2026 | Quarter 2: July to September | Lamps | 2.24% |
| 2025 to 2026 | Quarter 2: July to September | Service brake operation | 2.06% |
| 2025 to 2026 | Quarter 2: July to September | Security of body | 2.02% |
| 2025 to 2026 | Quarter 1: April to June | Condition of tyres | 12.72% |
| 2025 to 2026 | Quarter 1: April to June | Brake systems and components | 7.59% |
| 2025 to 2026 | Quarter 1: April to June | Spray suppression, wings and wheel arches | 3.62% |
| 2025 to 2026 | Quarter 1: April to June | Suspension | 3.59% |
| 2025 to 2026 | Quarter 1: April to June | Parking brake performance | 2.71% |
| 2025 to 2026 | Quarter 1: April to June | Service brake operation | 2.53% |
| 2025 to 2026 | Quarter 1: April to June | Lamps | 2.49% |
| 2025 to 2026 | Quarter 1: April to June | Security of body | 2.36% |
| 2025 to 2026 | Quarter 1: April to June | Service brake performance | 2.34% |
| 2025 to 2026 | Quarter 1: April to June | Road wheels and hubs | 2.20% |
| 2024 to 2025 | Quarter 4: January to March | Condition of tyres | 9.74% |
| 2024 to 2025 | Quarter 4: January to March | Brake systems and components | 6.88% |
| 2024 to 2025 | Quarter 4: January to March | Lamps | 4.50% |
| 2024 to 2025 | Quarter 4: January to March | Spray suppression, wings and wheel arches | 3.91% |
| 2024 to 2025 | Quarter 4: January to March | Suspension | 2.86% |
| 2024 to 2025 | Quarter 4: January to March | Service brake operation | 2.78% |
| 2024 to 2025 | Quarter 4: January to March | Parking brake performance | 2.75% |
| 2024 to 2025 | Quarter 4: January to March | Road wheels and hubs | 2.57% |
| 2024 to 2025 | Quarter 4: January to March | Service brake performance | 2.38% |
| 2024 to 2025 | Quarter 4: January to March | Security of body | 1.81% |
| 2024 to 2025 | Quarter 3: October to December | Condition of tyres | 11.56% |
| 2024 to 2025 | Quarter 3: October to December | Brake systems and components | 6.75% |
| 2024 to 2025 | Quarter 3: October to December | Spray suppression, wings and wheel arches | 3.36% |
| 2024 to 2025 | Quarter 3: October to December | Suspension | 3.26% |
| 2024 to 2025 | Quarter 3: October to December | Lamps | 3.09% |
| 2024 to 2025 | Quarter 3: October to December | Road wheels and hubs | 3.09% |
| 2024 to 2025 | Quarter 3: October to December | Parking brake performance | 2.69% |
| 2024 to 2025 | Quarter 3: October to December | Service brake performance | 2.61% |
| 2024 to 2025 | Quarter 3: October to December | Service brake operation | 2.47% |
| 2024 to 2025 | Quarter 3: October to December | Security of body | 1.66% |
| 2024 to 2025 | Quarter 2: July to September | Condition of tyres | 13.13% |
| 2024 to 2025 | Quarter 2: July to September | Brake systems and components | 7.70% |
| 2024 to 2025 | Quarter 2: July to September | Spray suppression, wings and wheel arches | 3.36% |
| 2024 to 2025 | Quarter 2: July to September | Suspension | 3.29% |
| 2024 to 2025 | Quarter 2: July to September | Road wheels and hubs | 3.08% |
| 2024 to 2025 | Quarter 2: July to September | Service brake operation | 2.33% |
| 2024 to 2025 | Quarter 2: July to September | Parking brake performance | 2.25% |
| 2024 to 2025 | Quarter 2: July to September | Lamps | 2.22% |
| 2024 to 2025 | Quarter 2: July to September | Security of body | 2.07% |
| 2024 to 2025 | Quarter 2: July to September | Service brake performance | 1.95% |
| 2024 to 2025 | Quarter 1: April to June | Condition of tyres | 13.59% |
| 2024 to 2025 | Quarter 1: April to June | Brake systems and components | 8.10% |
| 2024 to 2025 | Quarter 1: April to June | Spray suppression, wings and wheel arches | 4.11% |
| 2024 to 2025 | Quarter 1: April to June | Suspension | 3.97% |
| 2024 to 2025 | Quarter 1: April to June | Parking brake performance | 3.08% |
| 2024 to 2025 | Quarter 1: April to June | Service brake operation | 3.08% |
| 2024 to 2025 | Quarter 1: April to June | Road wheels and hubs | 2.78% |
| 2024 to 2025 | Quarter 1: April to June | Service brake performance | 2.55% |
| 2024 to 2025 | Quarter 1: April to June | Lamps | 2.49% |
| 2024 to 2025 | Quarter 1: April to June | Security of body | 2.01% |
| 2023 to 2024 | Quarter 4: January to March | Condition of tyres | 10.59% |
| 2023 to 2024 | Quarter 4: January to March | Brake systems and components | 6.96% |
| 2023 to 2024 | Quarter 4: January to March | Lamps | 3.32% |
| 2023 to 2024 | Quarter 4: January to March | Suspension | 3.32% |
| 2023 to 2024 | Quarter 4: January to March | Spray suppression, wings and wheel arches | 3.30% |
| 2023 to 2024 | Quarter 4: January to March | Service brake operation | 3.01% |
| 2023 to 2024 | Quarter 4: January to March | Parking brake performance | 2.82% |
| 2023 to 2024 | Quarter 4: January to March | Road wheels and hubs | 2.44% |
| 2023 to 2024 | Quarter 4: January to March | Service brake performance | 2.16% |
| 2023 to 2024 | Quarter 4: January to March | Security of body | 1.72% |
| 2023 to 2024 | Quarter 3: October to December | Condition of tyres | 10.39% |
| 2023 to 2024 | Quarter 3: October to December | Brake systems and components | 6.03% |
| 2023 to 2024 | Quarter 3: October to December | Suspension | 3.20% |
| 2023 to 2024 | Quarter 3: October to December | Road wheels and hubs | 3.13% |
| 2023 to 2024 | Quarter 3: October to December | Spray suppression, wings and wheel arches | 3.09% |
| 2023 to 2024 | Quarter 3: October to December | Lamps | 2.92% |
| 2023 to 2024 | Quarter 3: October to December | Parking brake performance | 2.58% |
| 2023 to 2024 | Quarter 3: October to December | Service brake operation | 2.27% |
| 2023 to 2024 | Quarter 3: October to December | Service brake performance | 2.27% |
| 2023 to 2024 | Quarter 3: October to December | Security of body | 2.05% |
| 2023 to 2024 | Quarter 2: July to September | Condition of tyres | 13.15% |
| 2023 to 2024 | Quarter 2: July to September | Brake systems and components | 6.31% |
| 2023 to 2024 | Quarter 2: July to September | Suspension | 3.25% |
| 2023 to 2024 | Quarter 2: July to September | Spray suppression, wings and wheel arches | 3.19% |
| 2023 to 2024 | Quarter 2: July to September | Parking brake performance | 2.24% |
| 2023 to 2024 | Quarter 2: July to September | Road wheels and hubs | 2.17% |
| 2023 to 2024 | Quarter 2: July to September | Service brake operation | 2.10% |
| 2023 to 2024 | Quarter 2: July to September | Lamps | 2.00% |
| 2023 to 2024 | Quarter 2: July to September | Service brake performance | 1.72% |
| 2023 to 2024 | Quarter 2: July to September | Security of body | 1.56% |
| 2023 to 2024 | Quarter 1: April to June | Condition of tyres | 13.74% |
| 2023 to 2024 | Quarter 1: April to June | Brake systems and components | 6.89% |
| 2023 to 2024 | Quarter 1: April to June | Suspension | 3.56% |
| 2023 to 2024 | Quarter 1: April to June | Spray suppression, wings and wheel arches | 3.32% |
| 2023 to 2024 | Quarter 1: April to June | Parking brake performance | 3.06% |
| 2023 to 2024 | Quarter 1: April to June | Road wheels and hubs | 2.44% |
| 2023 to 2024 | Quarter 1: April to June | Service brake operation | 2.36% |
| 2023 to 2024 | Quarter 1: April to June | Lamps | 2.32% |
| 2023 to 2024 | Quarter 1: April to June | Security of body | 2.24% |
| 2023 to 2024 | Quarter 1: April to June | Service brake performance | 2.15% |
| 2022 to 2023 | Quarter 4: January to March | Condition of tyres | 10.62% |
| 2022 to 2023 | Quarter 4: January to March | Brake systems and components | 5.64% |
| 2022 to 2023 | Quarter 4: January to March | Lamps | 3.48% |
| 2022 to 2023 | Quarter 4: January to March | Spray suppression, wings and wheel arches | 3.39% |
| 2022 to 2023 | Quarter 4: January to March | Suspension | 3.27% |
| 2022 to 2023 | Quarter 4: January to March | Service brake operation | 2.47% |
| 2022 to 2023 | Quarter 4: January to March | Parking brake performance | 2.39% |
| 2022 to 2023 | Quarter 4: January to March | Service brake performance | 2.32% |
| 2022 to 2023 | Quarter 4: January to March | Road wheels and hubs | 2.29% |
| 2022 to 2023 | Quarter 4: January to March | Security of body | 1.96% |
| 2022 to 2023 | Quarter 3: October to December | Condition of tyres | 9.28% |
| 2022 to 2023 | Quarter 3: October to December | Brake systems and components | 5.35% |
| 2022 to 2023 | Quarter 3: October to December | Spray suppression, wings and wheel arches | 3.45% |
| 2022 to 2023 | Quarter 3: October to December | Suspension | 3.09% |
| 2022 to 2023 | Quarter 3: October to December | Lamps | 2.81% |
| 2022 to 2023 | Quarter 3: October to December | Road wheels and hubs | 2.81% |
| 2022 to 2023 | Quarter 3: October to December | Service brake operation | 2.52% |
| 2022 to 2023 | Quarter 3: October to December | Security of body | 2.16% |
| 2022 to 2023 | Quarter 3: October to December | Parking brake performance | 1.54% |
| 2022 to 2023 | Quarter 3: October to December | Service brake performance | 1.42% |
| 2022 to 2023 | Quarter 2: July to September | Condition of tyres | 10.31% |
| 2022 to 2023 | Quarter 2: July to September | Brake systems and components | 5.73% |
| 2022 to 2023 | Quarter 2: July to September | Spray suppression, wings and wheel arches | 3.58% |
| 2022 to 2023 | Quarter 2: July to September | Suspension | 3.09% |
| 2022 to 2023 | Quarter 2: July to September | Parking brake performance | 2.55% |
| 2022 to 2023 | Quarter 2: July to September | Lamps | 2.37% |
| 2022 to 2023 | Quarter 2: July to September | Service brake operation | 2.03% |
| 2022 to 2023 | Quarter 2: July to September | Service brake performance | 1.93% |
| 2022 to 2023 | Quarter 2: July to September | Road wheels and hubs | 1.80% |
| 2022 to 2023 | Quarter 2: July to September | Security of body | 1.55% |
| 2022 to 2023 | Quarter 1: April to June | Condition of tyres | 10.22% |
| 2022 to 2023 | Quarter 1: April to June | Brake systems and components | 6.05% |
| 2022 to 2023 | Quarter 1: April to June | Spray suppression, wings and wheel arches | 3.62% |
| 2022 to 2023 | Quarter 1: April to June | Suspension | 3.40% |
| 2022 to 2023 | Quarter 1: April to June | Lamps | 3.05% |
| 2022 to 2023 | Quarter 1: April to June | Parking brake performance | 2.16% |
| 2022 to 2023 | Quarter 1: April to June | Road wheels and hubs | 2.13% |
| 2022 to 2023 | Quarter 1: April to June | Service brake performance | 1.90% |
| 2022 to 2023 | Quarter 1: April to June | Service brake operation | 1.85% |
| 2022 to 2023 | Quarter 1: April to June | Security of body | 1.50% |
| 2021 to 2022 | Quarter 4: January to March | Condition of tyres | 8.04% |
| 2021 to 2022 | Quarter 4: January to March | Brake systems and components | 5.82% |
| 2021 to 2022 | Quarter 4: January to March | Lamps | 3.23% |
| 2021 to 2022 | Quarter 4: January to March | Spray suppression, wings and wheel arches | 3.11% |
| 2021 to 2022 | Quarter 4: January to March | Suspension | 2.71% |
| 2021 to 2022 | Quarter 4: January to March | Road wheels and hubs | 2.41% |
| 2021 to 2022 | Quarter 4: January to March | Parking brake performance | 2.22% |
| 2021 to 2022 | Quarter 4: January to March | Service brake performance | 2.07% |
| 2021 to 2022 | Quarter 4: January to March | Direction indicators and hazard warning lamps | 1.71% |
| 2021 to 2022 | Quarter 4: January to March | Service brake operation | 1.66% |
| 2021 to 2022 | Quarter 3: October to December | Condition of tyres | 7.46% |
| 2021 to 2022 | Quarter 3: October to December | Brake systems and components | 5.50% |
| 2021 to 2022 | Quarter 3: October to December | Spray suppression, wings and wheel arches | 3.64% |
| 2021 to 2022 | Quarter 3: October to December | Lamps | 2.73% |
| 2021 to 2022 | Quarter 3: October to December | Suspension | 2.65% |
| 2021 to 2022 | Quarter 3: October to December | Road wheels and hubs | 2.40% |
| 2021 to 2022 | Quarter 3: October to December | Parking brake performance | 1.73% |
| 2021 to 2022 | Quarter 3: October to December | Service brake performance | 1.63% |
| 2021 to 2022 | Quarter 3: October to December | Service brake operation | 1.33% |
| 2021 to 2022 | Quarter 3: October to December | Direction indicators and hazard warning lamps | 1.32% |
| 2021 to 2022 | Quarter 2: July to September | Condition of tyres | 8.85% |
| 2021 to 2022 | Quarter 2: July to September | Brake systems and components | 6.11% |
| 2021 to 2022 | Quarter 2: July to September | Suspension | 3.72% |
| 2021 to 2022 | Quarter 2: July to September | Spray suppression, wings and wheel arches | 3.63% |
| 2021 to 2022 | Quarter 2: July to September | Lamps | 2.41% |
| 2021 to 2022 | Quarter 2: July to September | Parking brake performance | 2.18% |
| 2021 to 2022 | Quarter 2: July to September | Road wheels and hubs | 2.15% |
| 2021 to 2022 | Quarter 2: July to September | Service brake performance | 2.03% |
| 2021 to 2022 | Quarter 2: July to September | Service brake operation | 1.60% |
| 2021 to 2022 | Quarter 2: July to September | Security of body | 1.53% |
| 2021 to 2022 | Quarter 1: April to June | Condition of tyres | 9.01% |
| 2021 to 2022 | Quarter 1: April to June | Brake systems and components | 6.39% |
| 2021 to 2022 | Quarter 1: April to June | Spray suppression, wings and wheel arches | 4.47% |
| 2021 to 2022 | Quarter 1: April to June | Suspension | 3.72% |
| 2021 to 2022 | Quarter 1: April to June | Lamps | 2.63% |
| 2021 to 2022 | Quarter 1: April to June | Parking brake performance | 2.08% |
| 2021 to 2022 | Quarter 1: April to June | Road wheels and hubs | 2.01% |
| 2021 to 2022 | Quarter 1: April to June | Service brake performance | 1.94% |
| 2021 to 2022 | Quarter 1: April to June | Service brake operation | 1.62% |
| 2021 to 2022 | Quarter 1: April to June | Security of body | 1.40% |
| 2020 to 2021 | Quarter 4: January to March | Condition of tyres | 6.94% |
| 2020 to 2021 | Quarter 4: January to March | Brake systems and components | 5.16% |
| 2020 to 2021 | Quarter 4: January to March | Lamps | 2.77% |
| 2020 to 2021 | Quarter 4: January to March | Spray suppression, wings and wheel arches | 2.53% |
| 2020 to 2021 | Quarter 4: January to March | Suspension | 2.45% |
| 2020 to 2021 | Quarter 4: January to March | Road wheels and hubs | 1.70% |
| 2020 to 2021 | Quarter 4: January to March | Service brake performance | 1.57% |
| 2020 to 2021 | Quarter 4: January to March | Direction indicators and hazard warning lamps | 1.25% |
| 2020 to 2021 | Quarter 4: January to March | Parking brake performance | 1.15% |
| 2020 to 2021 | Quarter 4: January to March | Security of body | 0.91% |
| 2020 to 2021 | Quarter 3: October to December | Condition of tyres | 7.70% |
| 2020 to 2021 | Quarter 3: October to December | Brake systems and components | 5.50% |
| 2020 to 2021 | Quarter 3: October to December | Spray suppression, wings and wheel arches | 4.05% |
| 2020 to 2021 | Quarter 3: October to December | Lamps | 3.32% |
| 2020 to 2021 | Quarter 3: October to December | Suspension | 3.11% |
| 2020 to 2021 | Quarter 3: October to December | Road wheels and hubs | 2.73% |
| 2020 to 2021 | Quarter 3: October to December | Parking brake performance | 1.90% |
| 2020 to 2021 | Quarter 3: October to December | Service brake operation | 1.65% |
| 2020 to 2021 | Quarter 3: October to December | Service brake performance | 1.57% |
| 2020 to 2021 | Quarter 3: October to December | Security of body | 1.42% |
| 2020 to 2021 | Quarter 2: July to September | Condition of tyres | 11.32% |
| 2020 to 2021 | Quarter 2: July to September | Brake systems and components | 5.61% |
| 2020 to 2021 | Quarter 2: July to September | Suspension | 2.77% |
| 2020 to 2021 | Quarter 2: July to September | Spray suppression, wings and wheel arches | 2.69% |
| 2020 to 2021 | Quarter 2: July to September | Lamps | 1.93% |
| 2020 to 2021 | Quarter 2: July to September | Road wheels and hubs | 1.87% |
| 2020 to 2021 | Quarter 2: July to September | Service brake performance | 1.83% |
| 2020 to 2021 | Quarter 2: July to September | Security of body | 1.54% |
| 2020 to 2021 | Quarter 2: July to September | Parking brake performance | 1.43% |
| 2020 to 2021 | Quarter 2: July to September | Service brake operation | 1.41% |
| 2020 to 2021 | Quarter 1: April to June | Condition of tyres | 15.24% |
| 2020 to 2021 | Quarter 1: April to June | Brake systems and components | 3.92% |
| 2020 to 2021 | Quarter 1: April to June | Security of body | 2.67% |
| 2020 to 2021 | Quarter 1: April to June | Suspension | 2.57% |
| 2020 to 2021 | Quarter 1: April to June | Service brake performance | 1.99% |
| 2020 to 2021 | Quarter 1: April to June | Road wheels and hubs | 1.84% |
| 2020 to 2021 | Quarter 1: April to June | Lamps | 1.52% |
| 2020 to 2021 | Quarter 1: April to June | Direction indicators and hazard warning lamps | 1.07% |
| 2020 to 2021 | Quarter 1: April to June | Trailer parking and emergency brakes and air line connections | 0.72% |
| 2020 to 2021 | Quarter 1: April to June | Parking brake performance | 0.64% |
| 2019 to 2020 | Quarter 4: January to March | Brake systems and components | 11.10% |
| 2019 to 2020 | Quarter 4: January to March | Condition of tyres | 10.20% |
| 2019 to 2020 | Quarter 4: January to March | Spray suppression, wings and wheel arches | 7.10% |
| 2019 to 2020 | Quarter 4: January to March | Suspension | 5.60% |
| 2019 to 2020 | Quarter 4: January to March | Lamps | 5.20% |
| 2019 to 2020 | Quarter 4: January to March | Service brake operation | 3.20% |
| 2019 to 2020 | Quarter 4: January to March | Parking brake performance | 3.00% |
| 2019 to 2020 | Quarter 4: January to March | Service brake performance | 2.90% |
| 2019 to 2020 | Quarter 4: January to March | Road wheels and hubs | 2.90% |
| 2019 to 2020 | Quarter 4: January to March | Direction indicators and hazard warning lamps | 2.00% |
| 2019 to 2020 | Quarter 3: October to December | Brake systems and components | 6.90% |
| 2019 to 2020 | Quarter 3: October to December | Suspension | 3.40% |
| 2019 to 2020 | Quarter 3: October to December | Spray suppression, wings and wheel arches | 4.30% |
| 2019 to 2020 | Quarter 3: October to December | Condition of tyres | 7.40% |
| 2019 to 2020 | Quarter 3: October to December | Service brake operation | 3.00% |
| 2019 to 2020 | Quarter 3: October to December | Road wheels and hubs | 3.00% |
| 2019 to 2020 | Quarter 3: October to December | Parking brake performance | 2.00% |
| 2019 to 2020 | Quarter 3: October to December | Service brake performance | 1.70% |
| 2019 to 2020 | Quarter 3: October to December | Lamps | 2.90% |
| 2019 to 2020 | Quarter 3: October to December | Security of body | 1.40% |
| 2019 to 2020 | Quarter 2: July to September | Brake systems and components | 6.80% |
| 2019 to 2020 | Quarter 2: July to September | Suspension | 3.50% |
| 2019 to 2020 | Quarter 2: July to September | Spray suppression, wings and wheel arches | 4.60% |
| 2019 to 2020 | Quarter 2: July to September | Condition of tyres | 8.70% |
| 2019 to 2020 | Quarter 2: July to September | Service brake operation | 3.00% |
| 2019 to 2020 | Quarter 2: July to September | Road wheels and hubs | 2.40% |
| 2019 to 2020 | Quarter 2: July to September | Parking brake performance | 1.50% |
| 2019 to 2020 | Quarter 2: July to September | Service brake performance | 1.40% |
| 2019 to 2020 | Quarter 2: July to September | Lamps | 2.30% |
| 2019 to 2020 | Quarter 2: July to September | Direction indicators and warning lamps | 1.00% |
| 2019 to 2020 | Quarter 1: April to June | Brake systems and components | 8.27% |
| 2019 to 2020 | Quarter 1: April to June | Suspension | 4.72% |
| 2019 to 2020 | Quarter 1: April to June | Spray suppression, wings and wheel arches | 4.99% |
| 2019 to 2020 | Quarter 1: April to June | Condition of tyres | 9.10% |
| 2019 to 2020 | Quarter 1: April to June | Service brake operation | 3.17% |
| 2019 to 2020 | Quarter 1: April to June | Road wheels and hubs | 2.20% |
| 2019 to 2020 | Quarter 1: April to June | Parking brake performance | 2.01% |
| 2019 to 2020 | Quarter 1: April to June | Service brake performance | 1.85% |
| 2019 to 2020 | Quarter 1: April to June | Lamps | 2.48% |
| 2019 to 2020 | Quarter 1: April to June | Security of body | 1.21% |
| 2018 to 2019 | Total | Brake systems and components | 9.60% |
| 2018 to 2019 | Total | Condition of tyres | 7.90% |
| 2018 to 2019 | Total | Suspension | 5.00% |
| 2018 to 2019 | Total | Spray suppression, wings and wheel arches | 5.00% |
| 2018 to 2019 | Total | Service brake operation | 3.70% |
| 2018 to 2019 | Total | Lamps | 2.70% |
| 2018 to 2019 | Total | Road wheels and hubs | 2.40% |
| 2018 to 2019 | Total | Parking brake performance | 2.20% |
| 2018 to 2019 | Total | Service brake performance | 1.90% |
| 2018 to 2019 | Total | Security of body | 1.40% |
| 2017 to 2018 | Total | Brake systems and components | 9.70% |
| 2017 to 2018 | Total | Suspension | 4.80% |
| 2017 to 2018 | Total | Condition of tyres | 4.80% |
| 2017 to 2018 | Total | Spray suppression, wings and wheel arches | 4.70% |
| 2017 to 2018 | Total | Service brake operation | 4.10% |
| 2017 to 2018 | Total | Road wheels and hubs | 2.60% |
| 2017 to 2018 | Total | Parking brake performance | 2.10% |
| 2017 to 2018 | Total | Service brake performance | 2.00% |
| 2017 to 2018 | Total | Lamps | 1.60% |
| 2017 to 2018 | Total | Security of body | 1.40% |
| 2016 to 2017 | Total | Brake systems and components | 10.40% |
| 2016 to 2017 | Total | Suspension | 5.70% |
| 2016 to 2017 | Total | Condition of tyres | 5.30% |
| 2016 to 2017 | Total | Spray suppression, wings and wheel arches | 5.10% |
| 2016 to 2017 | Total | Service brake operation | 4.80% |
| 2016 to 2017 | Total | Road wheels and hubs | 3.10% |
| 2016 to 2017 | Total | Parking brake performance | 1.90% |
| 2016 to 2017 | Total | Service brake performance | 1.80% |
| 2016 to 2017 | Total | Lamps | 1.70% |
| 2016 to 2017 | Total | Security of body | 1.30% |
| 2015 to 2016 | Total | Brake systems and components | 12.60% |
| 2015 to 2016 | Total | Suspension | 6.70% |
| 2015 to 2016 | Total | Condition of tyres | 6.20% |
| 2015 to 2016 | Total | Spray suppression, wings and wheel arches | 6.50% |
| 2015 to 2016 | Total | Service brake operation | 5.00% |
| 2015 to 2016 | Total | Road wheels and hubs | 3.50% |
| 2015 to 2016 | Total | Service brake performance | 1.60% |
| 2015 to 2016 | Total | Lamps | 2.00% |
| 2015 to 2016 | Total | Security of body | 2.00% |
| 2015 to 2016 | Total | Parking brake performance | 1.20% |
| 2014 to 2015 | Total | Brake systems and components | 12.80% |
| 2014 to 2015 | Total | Suspension | 6.90% |
| 2014 to 2015 | Total | Condition of tyres | 6.50% |
| 2014 to 2015 | Total | Spray suppression, wings and wheel arches | 5.60% |
| 2014 to 2015 | Total | Service brake operation | 5.00% |
| 2014 to 2015 | Total | Road wheels and hubs | 3.30% |
| 2014 to 2015 | Total | Service brake performance | 1.80% |
| 2014 to 2015 | Total | Lamps | 2.00% |
| 2014 to 2015 | Total | Security of body | 1.60% |
| 2014 to 2015 | Total | Parking brake performance | 1.10% |
| 2013 to 2014 | Total | Brake systems and components | 13.60% |
| 2013 to 2014 | Total | Suspension | 7.00% |
| 2013 to 2014 | Total | Condition of tyres | 7.20% |
| 2013 to 2014 | Total | Spray suppression, wings and wheel arches | 5.50% |
| 2013 to 2014 | Total | Service brake operation | 5.40% |
| 2013 to 2014 | Total | Road wheels and hubs | 3.40% |
| 2013 to 2014 | Total | Service brake performance | 1.90% |
| 2013 to 2014 | Total | Lamps | 2.20% |
| 2013 to 2014 | Total | Security of body | 1.90% |
| 2013 to 2014 | Total | Parking brake performance | 0.90% |