Statistical data set
Top 10 prohibition defects as a percentage of all taxis and private hire cars inspected at roadside
Updated 22 April 2025
| Financial year | Period | Defect type | Defects as a percentage of all vehicles inspected |
|---|---|---|---|
| 2024 to 2025 | Quarter 3: October to December | Running Gear - Condition of Tyres | 23.76% |
| 2024 to 2025 | Quarter 3: October to December | Engine and Associated Equipment - Exhaust emission | 11.88% |
| 2024 to 2025 | Quarter 3: October to December | Uncat | 10.89% |
| 2024 to 2025 | Quarter 3: October to December | Lamps, reflectors and electrical equipment | 7.92% |
| 2024 to 2025 | Quarter 3: October to December | Seat belts and Supplementary Restraint System | 7.92% |
| 2024 to 2025 | Quarter 3: October to December | Lamps and reflectors - Headlamps | 6.93% |
| 2024 to 2025 | Quarter 3: October to December | Transmission - Un-categorised defects | 5.94% |
| 2024 to 2025 | Quarter 3: October to December | Brakes - Warning Systems | 3.96% |
| 2024 to 2025 | Quarter 3: October to December | Engine and Associated Equipment - Exhaust system | 3.96% |
| 2024 to 2025 | Quarter 3: October to December | Running Gear - Road wheels and Hubs | 3.96% |
| 2024 to 2025 | Quarter 2: July to September | Running Gear - Condition of Tyres | 31.58% |
| 2024 to 2025 | Quarter 2: July to September | Engine and Associated Equipment - Exhaust emission | 9.21% |
| 2024 to 2025 | Quarter 2: July to September | Uncategorised | 9.21% |
| 2024 to 2025 | Quarter 2: July to September | Lamps and reflectors - Direction Indicators | 3.95% |
| 2024 to 2025 | Quarter 2: July to September | Running Gear - Road wheels and Hubs | 2.63% |
| 2024 to 2025 | Quarter 2: July to September | Steering - Steering Box & Rack & pinion | 2.63% |
| 2024 to 2025 | Quarter 2: July to September | Steering - Steering Linkage | 2.63% |
| 2024 to 2025 | Quarter 2: July to September | Bodywork - Registration Plates & VIN Details | 1.32% |
| 2024 to 2025 | Quarter 2: July to September | Bodywork - Washers and wipers | 1.32% |
| 2024 to 2025 | Quarter 2: July to September | Bodywork - Wings and Wheel Arches | 1.32% |
| 2024 to 2025 | Quarter 2: July to September | Brakes - Controls | 1.32% |
| 2024 to 2025 | Quarter 2: July to September | Brakes - Hydraulic Systems | 1.32% |
| 2024 to 2025 | Quarter 2: July to September | Brakes - Warning Systems | 1.32% |
| 2024 to 2025 | Quarter 2: July to September | Engine and Associated Equipment - Exhaust system | 1.32% |
| 2024 to 2025 | Quarter 2: July to September | Engine and Associated Equipment - Fuel Tank and System | 1.32% |
| 2024 to 2025 | Quarter 2: July to September | Engine and Associated Equipment - Oil Leaks | 1.32% |
| 2024 to 2025 | Quarter 2: July to September | Lamps and reflectors - Headlamps | 1.32% |
| 2024 to 2025 | Quarter 2: July to September | Seat belts and Supplementary Restraint System | 1.32% |
| 2024 to 2025 | Quarter 2: July to September | Suspension - Shock Absorbers | 1.32% |
| 2024 to 2025 | Quarter 2: July to September | Suspension - Suspension Arms & Linkages & Sub-frames | 1.32% |
| 2024 to 2025 | Quarter 2: July to September | Transmission - Drive & Propeller Shafts | 1.32% |
| 2024 to 2025 | Quarter 1: April to June | Running Gear - Condition of Tyres | 28.15% |
| 2024 to 2025 | Quarter 1: April to June | Engine and Associated Equipment - Exhaust emission | 9.63% |
| 2024 to 2025 | Quarter 1: April to June | Transmission - Un-categorised defects | 9.63% |
| 2024 to 2025 | Quarter 1: April to June | Uncategorised | 8.15% |
| 2024 to 2025 | Quarter 1: April to June | Lamps and reflectors - Direction Indicators | 5.93% |
| 2024 to 2025 | Quarter 1: April to June | Running Gear - Road wheels and Hubs | 4.44% |
| 2024 to 2025 | Quarter 1: April to June | Bodywork - Registration Plates & VIN Details | 2.96% |
| 2024 to 2025 | Quarter 1: April to June | Brakes - Mechanical components | 2.96% |
| 2024 to 2025 | Quarter 1: April to June | Lamps, reflectors and electrical equipment | 2.96% |
| 2024 to 2025 | Quarter 1: April to June | Seat belts and Supplementary Restraint System | 2.96% |
| 2023 to 2024 | Quarter 4: January to March | Running Gear - Condition of Tyres | 29.87% |
| 2023 to 2024 | Quarter 4: January to March | Engine and Associated Equipment - Exhaust emission | 5.19% |
| 2023 to 2024 | Quarter 4: January to March | Lamps and reflectors - Direction Indicators | 5.19% |
| 2023 to 2024 | Quarter 4: January to March | Uncategorised | 5.19% |
| 2023 to 2024 | Quarter 4: January to March | Brakes - Parking Brake Operation and Perfomance | 3.90% |
| 2023 to 2024 | Quarter 4: January to March | Brakes - Mechanical components | 2.60% |
| 2023 to 2024 | Quarter 4: January to March | Lamps and reflectors - Headlamps | 2.60% |
| 2023 to 2024 | Quarter 4: January to March | Lamps, reflectors and electrical equipment | 2.60% |
| 2023 to 2024 | Quarter 4: January to March | Running Gear - Road wheels and Hubs | 2.60% |
| 2023 to 2024 | Quarter 4: January to March | Transmission - Un-categorised defects | 2.60% |
| 2023 to 2024 | Quarter 3: October to December | Running Gear - Condition of Tyres | 26.02% |
| 2023 to 2024 | Quarter 3: October to December | Lamps and reflectors - Headlamps | 7.32% |
| 2023 to 2024 | Quarter 3: October to December | Seat belts and Supplementary Restraint System | 7.32% |
| 2023 to 2024 | Quarter 3: October to December | Transmission - Un-categorised defects | 7.32% |
| 2023 to 2024 | Quarter 3: October to December | Uncategorised | 7.32% |
| 2023 to 2024 | Quarter 3: October to December | Engine and Associated Equipment - Exhaust emission | 5.69% |
| 2023 to 2024 | Quarter 3: October to December | Lamps and reflectors - Direction Indicators | 4.88% |
| 2023 to 2024 | Quarter 3: October to December | Brakes - Mechanical components | 4.07% |
| 2023 to 2024 | Quarter 3: October to December | Running Gear - Road wheels and Hubs | 3.25% |
| 2023 to 2024 | Quarter 3: October to December | Bodywork - Body Panelling | 2.44% |
| 2023 to 2024 | Quarter 3: October to December | Engine and Associated Equipment - Exhaust system | 2.44% |
| 2023 to 2024 | Quarter 3: October to December | Engine and Associated Equipment - Oil Leaks | 2.44% |
| 2023 to 2024 | Quarter 2: July to September | Running Gear - Condition of Tyres | 26.67% |
| 2023 to 2024 | Quarter 2: July to September | Engine and Associated Equipment - Exhaust emission | 14.67% |
| 2023 to 2024 | Quarter 2: July to September | Lamps and reflectors - Direction Indicators | 8.00% |
| 2023 to 2024 | Quarter 2: July to September | Running Gear - Road wheels and Hubs | 8.00% |
| 2023 to 2024 | Quarter 2: July to September | Seat belts and Supplementary Restraint System | 8.00% |
| 2023 to 2024 | Quarter 2: July to September | Transmission - Un-categorised defects | 6.67% |
| 2023 to 2024 | Quarter 2: July to September | Lamps, reflectors and electrical equipment | 4.00% |
| 2023 to 2024 | Quarter 2: July to September | Uncategorised | 4.00% |
| 2023 to 2024 | Quarter 2: July to September | Brakes - Parking Brake Operation and Perfomance | 2.67% |
| 2023 to 2024 | Quarter 2: July to September | Suspension - Anchor & Shackle Pins | 2.67% |
| 2023 to 2024 | Quarter 2: July to September | Suspension - Springs | 2.67% |
| 2023 to 2024 | Quarter 2: July to September | Running Gear - Condition of Tyres | 40.00% |
| 2023 to 2024 | Quarter 1: April to June | Engine and Associated Equipment - Exhaust emission | 12.63% |
| 2023 to 2024 | Quarter 1: April to June | Lamps and reflectors - Direction Indicators | 6.32% |
| 2023 to 2024 | Quarter 1: April to June | Brakes - Mechanical components | 4.21% |
| 2023 to 2024 | Quarter 1: April to June | Running Gear - Road wheels and Hubs | 4.21% |
| 2023 to 2024 | Quarter 1: April to June | Seat belts and Supplementary Restraint System | 4.21% |
| 2023 to 2024 | Quarter 1: April to June | Brakes - Warning Systems | 3.16% |
| 2023 to 2024 | Quarter 1: April to June | Bodywork - Registration Plates & VIN Details | 2.11% |
| 2023 to 2024 | Quarter 1: April to June | Lamps, reflectors and electrical equipment | 2.11% |
| 2023 to 2024 | Quarter 1: April to June | Transmission - Un-categorised defects | 2.11% |
| 2023 to 2024 | Quarter 1: April to June | Uncategorised | 2.11% |
| 2022 to 2023 | Quarter 4: January to March | Running Gear - Condition of Tyres | 18.52% |
| 2022 to 2023 | Quarter 4: January to March | Engine and Associated Equipment - Exhaust emission | 12.96% |
| 2022 to 2023 | Quarter 4: January to March | Lamps and reflectors - Direction Indicators | 9.26% |
| 2022 to 2023 | Quarter 4: January to March | Lamps, reflectors and electrical equipment | 9.26% |
| 2022 to 2023 | Quarter 4: January to March | Lamps and reflectors - Headlamps | 7.41% |
| 2022 to 2023 | Quarter 4: January to March | Brakes - Warning Systems | 5.56% |
| 2022 to 2023 | Quarter 4: January to March | Brakes - Mechanical components | 3.70% |
| 2022 to 2023 | Quarter 4: January to March | Running Gear - Road wheels and Hubs | 3.70% |
| 2022 to 2023 | Quarter 4: January to March | Seat belts and Supplementary Restraint System | 3.70% |
| 2022 to 2023 | Quarter 4: January to March | Suspension - Springs | 3.70% |
| 2022 to 2023 | Quarter 3: October to December | Running Gear - Condition of Tyres | 23.84% |
| 2022 to 2023 | Quarter 3: October to December | Engine and Associated Equipment - Exhaust emission | 12.21% |
| 2022 to 2023 | Quarter 3: October to December | Uncat | 8.72% |
| 2022 to 2023 | Quarter 3: October to December | Lamps and reflectors - Headlamps | 6.98% |
| 2022 to 2023 | Quarter 3: October to December | Running Gear - Road wheels and Hubs | 6.98% |
| 2022 to 2023 | Quarter 3: October to December | Lamps, reflectors and electrical equipment | 5.23% |
| 2022 to 2023 | Quarter 3: October to December | Seat belts and Supplementary Restraint System | 4.65% |
| 2022 to 2023 | Quarter 3: October to December | Transmission - Un-categorised defects | 4.07% |
| 2022 to 2023 | Quarter 3: October to December | Brakes - Warning Systems | 2.33% |
| 2022 to 2023 | Quarter 3: October to December | Brakes - Parking Brake Operation and Perfomance | 1.74% |
| 2022 to 2023 | Quarter 3: October to December | Lamps and reflectors - Rear Position Lamps | 1.74% |
| 2022 to 2023 | Quarter 3: October to December | Suspension - Shock Absorbers | 1.74% |
| 2022 to 2023 | Quarter 3: October to December | Suspension - Suspension Arms & Linkages & Sub-frames | 1.74% |
| 2022 to 2023 | Quarter 2: July to September | Running Gear - Condition of Tyres | 15.52% |
| 2022 to 2023 | Quarter 2: July to September | Transmission - Un-categorised defects | 9.20% |
| 2022 to 2023 | Quarter 2: July to September | Engine and Associated Equipment - Exhaust emission | 8.05% |
| 2022 to 2023 | Quarter 2: July to September | Uncat | 8.05% |
| 2022 to 2023 | Quarter 2: July to September | Running Gear - Road wheels and Hubs | 6.32% |
| 2022 to 2023 | Quarter 2: July to September | Seat belts and Supplementary Restraint System | 6.32% |
| 2022 to 2023 | Quarter 2: July to September | Brakes - Mechanical components | 4.60% |
| 2022 to 2023 | Quarter 2: July to September | Lamps, reflectors and electrical equipment | 4.60% |
| 2022 to 2023 | Quarter 2: July to September | Lamps and reflectors - Direction Indicators | 3.45% |
| 2022 to 2023 | Quarter 2: July to September | Bodywork - Registration Plates & VIN Details | 1.72% |
| 2022 to 2023 | Quarter 2: July to September | Brakes - Parking Brake Operation and Perfomance | 1.72% |
| 2022 to 2023 | Quarter 2: July to September | Suspension - Suspension Arms & Linkages & Sub-frames | 1.72% |
| 2022 to 2023 | Quarter 1: April to June | Running Gear - Condition of Tyres | 19.32% |
| 2022 to 2023 | Quarter 1: April to June | Engine and Associated Equipment - Exhaust emission | 6.82% |
| 2022 to 2023 | Quarter 1: April to June | Running Gear - Road wheels and Hubs | 5.68% |
| 2022 to 2023 | Quarter 1: April to June | Seat belts and Supplementary Restraint System | 5.68% |
| 2022 to 2023 | Quarter 1: April to June | Lamps and reflectors - Direction Indicators | 4.55% |
| 2022 to 2023 | Quarter 1: April to June | Bodywork - Registration Plates & VIN Details | 3.41% |
| 2022 to 2023 | Quarter 1: April to June | Lamps, reflectors and electrical equipment | 3.41% |
| 2022 to 2023 | Quarter 1: April to June | Brakes - Mechanical components | 2.27% |
| 2022 to 2023 | Quarter 1: April to June | Lamps and reflectors - Headlamps | 2.27% |
| 2022 to 2023 | Quarter 1: April to June | Suspension - Springs | 2.27% |
| 2022 to 2023 | Quarter 1: April to June | Transmission - Un-categorised defects | 2.27% |
| 2021 to 2022 | Quarter 4: January to March | Running Gear - Condition of Tyres | 14.09% |
| 2021 to 2022 | Quarter 4: January to March | Engine and Associated Equipment - Exhaust emission | 12.75% |
| 2021 to 2022 | Quarter 4: January to March | Lamps and reflectors - Headlamps | 6.71% |
| 2021 to 2022 | Quarter 4: January to March | Transmission - Un-categorised defects | 6.04% |
| 2021 to 2022 | Quarter 4: January to March | Brakes - Warning Systems | 5.37% |
| 2021 to 2022 | Quarter 4: January to March | Lamps and reflectors - Direction Indicators | 5.37% |
| 2021 to 2022 | Quarter 4: January to March | Lamps, reflectors and electrical equipment | 5.37% |
| 2021 to 2022 | Quarter 4: January to March | Steering - Steering Linkage | 5.37% |
| 2021 to 2022 | Quarter 4: January to March | Seat belts and Supplementary Restraint System | 3.36% |
| 2021 to 2022 | Quarter 4: January to March | Engine and Associated Equipment - Fuel Tank and System | 2.68% |
| 2021 to 2022 | Quarter 3: October to December | Running Gear - Condition of Tyres | 26.09% |
| 2021 to 2022 | Quarter 3: October to December | Engine and Associated Equipment - Exhaust emission | 8.70% |
| 2021 to 2022 | Quarter 3: October to December | Lamps, reflectors and electrical equipment | 7.97% |
| 2021 to 2022 | Quarter 3: October to December | Lamps and reflectors - Direction Indicators | 7.25% |
| 2021 to 2022 | Quarter 3: October to December | Brakes - Mechanical components | 4.35% |
| 2021 to 2022 | Quarter 3: October to December | Lamps and reflectors - Headlamps | 4.35% |
| 2021 to 2022 | Quarter 3: October to December | Seat belts and Supplementary Restraint System | 2.90% |
| 2021 to 2022 | Quarter 3: October to December | Bodywork - Body Panelling | 2.17% |
| 2021 to 2022 | Quarter 3: October to December | Transmission - Un-categorised defects | 2.17% |
| 2021 to 2022 | Quarter 3: October to December | Bodywork - Windscreen and Windows | 1.45% |
| 2021 to 2022 | Quarter 2: July to September | Running Gear - Condition of Tyres | 19.05% |
| 2021 to 2022 | Quarter 2: July to September | Engine and Associated Equipment - Exhaust emission | 5.71% |
| 2021 to 2022 | Quarter 2: July to September | Seat belts and Supplementary Restraint System | 4.76% |
| 2021 to 2022 | Quarter 2: July to September | Steering - Steering Linkage | 2.86% |
| 2021 to 2022 | Quarter 2: July to September | Brakes - Brake Pipes and Hoses | 1.90% |
| 2021 to 2022 | Quarter 2: July to September | Brakes - Mechanical components | 1.90% |
| 2021 to 2022 | Quarter 2: July to September | Lamps and reflectors - Headlamps | 1.90% |
| 2021 to 2022 | Quarter 2: July to September | Suspension - Springs | 1.90% |
| 2021 to 2022 | Quarter 2: July to September | Suspension - Suspension Arms & Linkages & Sub-frames | 1.90% |
| 2021 to 2022 | Quarter 2: July to September | Transmission - Un-categorised defects | 1.90% |
| 2021 to 2022 | Quarter 1: April to June | Running Gear - Condition of Tyres | 26.53% |
| 2021 to 2022 | Quarter 1: April to June | Seat belts and Supplementary Restraint System | 16.33% |
| 2021 to 2022 | Quarter 1: April to June | Brakes - Hydraulic Systems | 6.12% |
| 2021 to 2022 | Quarter 1: April to June | Engine and Associated Equipment - Exhaust emission | 6.12% |
| 2021 to 2022 | Quarter 1: April to June | Lamps and reflectors - Direction Indicators | 6.12% |
| 2021 to 2022 | Quarter 1: April to June | Suspension - Suspension Arms & Linkages & Sub-frames | 6.12% |
| 2021 to 2022 | Quarter 1: April to June | Engine and Associated Equipment - Exhaust system | 4.08% |
| 2021 to 2022 | Quarter 1: April to June | Bodywork - Windscreen and Windows | 2.04% |
| 2021 to 2022 | Quarter 1: April to June | Brakes - Controls | 2.04% |
| 2021 to 2022 | Quarter 1: April to June | Brakes - Warning Systems | 2.04% |
| 2020 to 2021 | Quarter 4: January to March | Not set | Not set |
| 2020 to 2021 | Quarter 4: January to March | Not set | Not set |
| 2020 to 2021 | Quarter 4: January to March | Not set | Not set |
| 2020 to 2021 | Quarter 4: January to March | Not set | Not set |
| 2020 to 2021 | Quarter 4: January to March | Not set | Not set |
| 2020 to 2021 | Quarter 4: January to March | Not set | Not set |
| 2020 to 2021 | Quarter 4: January to March | Not set | Not set |
| 2020 to 2021 | Quarter 4: January to March | Not set | Not set |
| 2020 to 2021 | Quarter 4: January to March | Not set | Not set |
| 2020 to 2021 | Quarter 4: January to March | Not set | Not set |
| 2020 to 2021 | Quarter 3: October to December | Running Gear - Condition of Tyres | 19.51% |
| 2020 to 2021 | Quarter 3: October to December | Lamps and reflectors - Headlamps | 17.07% |
| 2020 to 2021 | Quarter 3: October to December | Bodywork - Windscreen and Windows | 9.76% |
| 2020 to 2021 | Quarter 3: October to December | Engine and Associated Equipment - Exhaust emission | 7.32% |
| 2020 to 2021 | Quarter 3: October to December | Transmission - Un-categorised defects | 7.32% |
| 2020 to 2021 | Quarter 3: October to December | Lamps and reflectors - Rear Position Lamps | 4.88% |
| 2020 to 2021 | Quarter 3: October to December | Seat belts and Supplementary Restraint System | 4.88% |
| 2020 to 2021 | Quarter 3: October to December | Bodywork - Doors | 2.44% |
| 2020 to 2021 | Quarter 3: October to December | Brakes - Mechanical components | 2.44% |
| 2020 to 2021 | Quarter 3: October to December | Lamps, reflectors and electrical equipment | 2.44% |
| 2020 to 2021 | Quarter 2: July to September | Running Gear - Condition of Tyres | 13.56% |
| 2020 to 2021 | Quarter 2: July to September | Steering - Steering Linkage | 5.08% |
| 2020 to 2021 | Quarter 2: July to September | Bodywork - Body Panelling | 3.39% |
| 2020 to 2021 | Quarter 2: July to September | Engine and Associated Equipment - Exhaust emission | 3.39% |
| 2020 to 2021 | Quarter 2: July to September | Running Gear - Road wheels and Hubs | 3.39% |
| 2020 to 2021 | Quarter 2: July to September | All lamps | 1.69% |
| 2020 to 2021 | Quarter 2: July to September | Bodywork - Registration Plates & VIN Details | 1.69% |
| 2020 to 2021 | Quarter 2: July to September | Bodywork - Windscreen and Windows | 1.69% |
| 2020 to 2021 | Quarter 2: July to September | Brakes - Mechanical components | 1.69% |
| 2020 to 2021 | Quarter 2: July to September | Brakes - Parking Brake Operation and Perfomance | 1.69% |
| 2020 to 2021 | Quarter 1: April to June | Not set | Not set |
| 2020 to 2021 | Quarter 1: April to June | Not set | Not set |
| 2020 to 2021 | Quarter 1: April to June | Not set | Not set |
| 2020 to 2021 | Quarter 1: April to June | Not set | Not set |
| 2020 to 2021 | Quarter 1: April to June | Not set | Not set |
| 2020 to 2021 | Quarter 1: April to June | Not set | Not set |
| 2020 to 2021 | Quarter 1: April to June | Not set | Not set |
| 2020 to 2021 | Quarter 1: April to June | Not set | Not set |
| 2020 to 2021 | Quarter 1: April to June | Not set | Not set |
| 2020 to 2021 | Quarter 1: April to June | Not set | Not set |
| 2019 to 2020 | Quarter 4: January to March | Running Gear - Condition of Tyres | 19.60% |
| 2019 to 2020 | Quarter 4: January to March | Engine and Associated Equipment - Exhaust emission | 4.40% |
| 2019 to 2020 | Quarter 4: January to March | Lamps and reflectors - Direction Indicators | 2.60% |
| 2019 to 2020 | Quarter 4: January to March | Steering - Steering Linkage | 2.60% |
| 2019 to 2020 | Quarter 4: January to March | Seat belts and Supplementary Restraint System | 2.20% |
| 2019 to 2020 | Quarter 4: January to March | Suspension - Springs | 2.20% |
| 2019 to 2020 | Quarter 4: January to March | Brakes - Brake Pipes and Hoses | 1.80% |
| 2019 to 2020 | Quarter 4: January to March | Engine and Associated Equipment - Exhaust system | 1.50% |
| 2019 to 2020 | Quarter 4: January to March | Transmission - Un-categorised defects | 1.50% |
| 2019 to 2020 | Quarter 4: January to March | Bodywork - Registration Plates & VIN Details | 1.10% |
| 2019 to 2020 | Quarter 3: October to December | Running Gear - Condition of Tyres | 16.40% |
| 2019 to 2020 | Quarter 3: October to December | Lamps and reflectors - Direction Indicators | 6.20% |
| 2019 to 2020 | Quarter 3: October to December | Brakes - Parking Brake Operation and Perfomance | 4.00% |
| 2019 to 2020 | Quarter 3: October to December | Seat belts and Supplementary Restraint System | 4.80% |
| 2019 to 2020 | Quarter 3: October to December | Engine and Associated Equipment - Exhaust emission | 2.20% |
| 2019 to 2020 | Quarter 3: October to December | Transmission - Un-categorised defects | 4.00% |
| 2019 to 2020 | Quarter 3: October to December | Steering - Steering Linkage | 4.00% |
| 2019 to 2020 | Quarter 3: October to December | Running Gear - Road wheels and Hubs | 2.20% |
| 2019 to 2020 | Quarter 3: October to December | Brakes - Mechanical components | 1.60% |
| 2019 to 2020 | Quarter 3: October to December | Brakes - Warning systems | 1.60% |
| 2019 to 2020 | Quarter 2: July to September | Running Gear - Condition of Tyres | 21.50% |
| 2019 to 2020 | Quarter 2: July to September | Lamps and reflectors - Direction Indicators | 6.40% |
| 2019 to 2020 | Quarter 2: July to September | Brakes - Parking Brake Operation and Perfomance | 6.00% |
| 2019 to 2020 | Quarter 2: July to September | Seat belts and Supplementary Restraint System | 4.70% |
| 2019 to 2020 | Quarter 2: July to September | Engine and Associated Equipment - Exhaust emission | 4.40% |
| 2019 to 2020 | Quarter 2: July to September | Transmission - Un-categorised defects | 4.00% |
| 2019 to 2020 | Quarter 2: July to September | Steering - Steering Linkage | 3.70% |
| 2019 to 2020 | Quarter 2: July to September | Running Gear - Road wheels and Hubs | 3.40% |
| 2019 to 2020 | Quarter 2: July to September | Brakes - Mechanical components | 3.00% |
| 2019 to 2020 | Quarter 2: July to September | Lamps and reflectors - Headlamps | 2.70% |
| 2019 to 2020 | Quarter 1: April to June | Running Gear - Condition of Tyres | 20.83% |
| 2019 to 2020 | Quarter 1: April to June | Transmission - Un-categorised defects | 6.60% |
| 2019 to 2020 | Quarter 1: April to June | Lamps and reflectors - Direction Indicators | 4.86% |
| 2019 to 2020 | Quarter 1: April to June | Brakes - Parking Brake Operation and Perfomance | 3.82% |
| 2019 to 2020 | Quarter 1: April to June | Brakes - Mechanical components | 3.13% |
| 2019 to 2020 | Quarter 1: April to June | Seat belts and Supplementary Restraint System | 3.13% |
| 2019 to 2020 | Quarter 1: April to June | Lamps and reflectors - Headlamps | 2.78% |
| 2019 to 2020 | Quarter 1: April to June | Brakes - Brake Pipes and Hoses | 1.74% |
| 2019 to 2020 | Quarter 1: April to June | Engine and Associated Equipment - Exhaust system | 1.39% |
| 2019 to 2020 | Quarter 1: April to June | Running Gear - Road wheels and Hubs | 1.39% |
| 2018 to 2019 | Total | Running Gear - Condition of Tyres | 14.50% |
| 2018 to 2019 | Total | Lamps and reflectors - Direction Indicators | 5.20% |
| 2018 to 2019 | Total | Seat belts and Supplementary Restraint System | 3.90% |
| 2018 to 2019 | Total | Transmission - Un-categorised defects | 3.70% |
| 2018 to 2019 | Total | Running Gear - Road wheels and Hubs | 3.30% |
| 2018 to 2019 | Total | Lamps and reflectors - Headlamps | 3.10% |
| 2018 to 2019 | Total | Brakes - Parking Brake Operation and Perfomance | 2.00% |
| 2018 to 2019 | Total | Brakes - Mechanical components | 1.70% |
| 2018 to 2019 | Total | Brakes - Warning Systems | 1.50% |
| 2018 to 2019 | Total | Steering - Steering Box & Rack & pinion | 1.10% |
| 2017 to 2018 | Total | Running Gear - Condition of Tyres | 13.90% |
| 2017 to 2018 | Total | Lamps and reflectors - Direction Indicators | 3.80% |
| 2017 to 2018 | Total | Seat belts and Supplementary Restraint System | 4.70% |
| 2017 to 2018 | Total | Transmission - Un-categorised defects | 4.20% |
| 2017 to 2018 | Total | Running Gear - Road wheels and Hubs | 2.30% |
| 2017 to 2018 | Total | Lamps and reflectors - Headlamps | 3.50% |
| 2017 to 2018 | Total | Brakes - Parking Brake Operation and Perfomance | 0.90% |
| 2017 to 2018 | Total | Brakes - Mechanical components | 0.90% |
| 2017 to 2018 | Total | Brakes - Warning Systems | 2.20% |
| 2017 to 2018 | Total | Steering - Steering Box & Rack & pinion | 1.70% |
| 2016 to 2017 | Total | Running Gear - Condition of Tyres | 18.60% |
| 2016 to 2017 | Total | Lamps and reflectors - Direction Indicators | 4.30% |
| 2016 to 2017 | Total | Seat belts and Supplementary Restraint System | 3.50% |
| 2016 to 2017 | Total | Transmission - Un-categorised defects | 6.80% |
| 2016 to 2017 | Total | Running Gear - Road wheels and Hubs | 2.90% |
| 2016 to 2017 | Total | Lamps and reflectors - Headlamps | 2.30% |
| 2016 to 2017 | Total | Brakes - Parking Brake Operation and Perfomance | 2.00% |
| 2016 to 2017 | Total | Brakes - Mechanical components | 2.00% |
| 2016 to 2017 | Total | Brakes - Warning Systems | 2.40% |
| 2016 to 2017 | Total | Steering - Steering Box & Rack & pinion | 1.40% |
| 2015 to 2016 | Total | Running Gear - Condition of Tyres | 23.90% |
| 2015 to 2016 | Total | Transmission - Un-categorised defects | 7.40% |
| 2015 to 2016 | Total | Lamps and reflectors - Direction Indicators | 5.00% |
| 2015 to 2016 | Total | Lamps and Reflectors - Headlamps | 3.00% |
| 2015 to 2016 | Total | Steering - Steering Linkage | 5.10% |
| 2015 to 2016 | Total | Running Gear - Road wheels and Hubs | 3.10% |
| 2015 to 2016 | Total | Vehicle Interior - Seat Belts | 3.30% |
| 2015 to 2016 | Total | Brakes - Warning Systems | 2.30% |
| 2015 to 2016 | Total | Suspension - Springs | 2.60% |
| 2015 to 2016 | Total | Brakes - Brake Pipes and Hoses | 1.80% |
| 2014 to 2015 | Total | Running Gear - Condition of Tyres | 29.70% |
| 2014 to 2015 | Total | Transmission - Un-categorised defects | 8.30% |
| 2014 to 2015 | Total | Lamps and reflectors - Direction Indicators | 4.90% |
| 2014 to 2015 | Total | Lamps and Reflectors - Headlamps | 3.70% |
| 2014 to 2015 | Total | Steering - Steering Linkage | 2.50% |
| 2014 to 2015 | Total | Running Gear - Road wheels and Hubs | 2.40% |
| 2014 to 2015 | Total | Vehicle Interior - Seat Belts | 2.50% |
| 2014 to 2015 | Total | Brakes - Warning Systems | 2.30% |
| 2014 to 2015 | Total | Suspension - Springs | 2.00% |
| 2014 to 2015 | Total | Brakes - Brake Pipes and Hoses | 1.70% |
| 2013 to 2014 | Total | Running Gear - Condition of Tyres | 28.40% |
| 2013 to 2014 | Total | Transmission - Un-categorised defects | 7.70% |
| 2013 to 2014 | Total | Lamps and reflectors - Direction Indicators | 3.00% |
| 2013 to 2014 | Total | Lamps and Reflectors - Headlamps | 4.40% |
| 2013 to 2014 | Total | Steering - Steering Linkage | 4.80% |
| 2013 to 2014 | Total | Running Gear - Road wheels and Hubs | 2.40% |
| 2013 to 2014 | Total | Vehicle Interior - Seat Belts | 2.30% |
| 2013 to 2014 | Total | Brakes - Warning Systems | 1.50% |
| 2013 to 2014 | Total | Suspension - Springs | 2.00% |
| 2013 to 2014 | Total | Brakes - Brake Pipes and Hoses | 1.00% |