Statistical data set
Top 10 reasons for heavy goods vehicle (HGV) vehicle fails
Updated 28 March 2024
Download CSV 15.1 KB
| Financial year | Period | Testable item | Percentage |
|---|---|---|---|
| 2023 to 2024 | Quarter 3: October to December | Brake Systems and Components | 3.68% |
| 2023 to 2024 | Quarter 3: October to December | Lamps | 2.86% |
| 2023 to 2024 | Quarter 3: October to December | Aim of Headlamps | 2.18% |
| 2023 to 2024 | Quarter 3: October to December | Steering | 1.42% |
| 2023 to 2024 | Quarter 3: October to December | Service Brake Performance | 1.29% |
| 2023 to 2024 | Quarter 3: October to December | Suspension | 1.11% |
| 2023 to 2024 | Quarter 3: October to December | Condition of Tyres | 1.09% |
| 2023 to 2024 | Quarter 3: October to December | Markers and Reflectors | 0.87% |
| 2023 to 2024 | Quarter 3: October to December | Parking Brake Performance | 0.76% |
| 2023 to 2024 | Quarter 3: October to December | Electrical Wiring and Equipment | 0.76% |
| 2023 to 2024 | Quarter 2: July to September | Brake Systems and Components | 3.16% |
| 2023 to 2024 | Quarter 2: July to September | Lamps | 2.73% |
| 2023 to 2024 | Quarter 2: July to September | Aim of Headlamps | 2.01% |
| 2023 to 2024 | Quarter 2: July to September | Steering | 1.21% |
| 2023 to 2024 | Quarter 2: July to September | Service Brake Performance | 1.14% |
| 2023 to 2024 | Quarter 2: July to September | Condition of Tyres | 1.01% |
| 2023 to 2024 | Quarter 2: July to September | Suspension | 0.92% |
| 2023 to 2024 | Quarter 2: July to September | Markers and Reflectors | 0.77% |
| 2023 to 2024 | Quarter 2: July to September | Seat Belts & Supplementary Restraint Systems | 0.61% |
| 2023 to 2024 | Quarter 2: July to September | Parking Brake Performance | 0.60% |
| 2023 to 2024 | Quarter 1: April to June | Brake Systems and Components | 3.65% |
| 2023 to 2024 | Quarter 1: April to June | Lamps | 3.20% |
| 2023 to 2024 | Quarter 1: April to June | Aim of Headlamps | 2.28% |
| 2023 to 2024 | Quarter 1: April to June | Steering | 1.54% |
| 2023 to 2024 | Quarter 1: April to June | Service Brake Performance | 1.31% |
| 2023 to 2024 | Quarter 1: April to June | Condition of Tyres | 1.22% |
| 2023 to 2024 | Quarter 1: April to June | Suspension | 1.06% |
| 2023 to 2024 | Quarter 1: April to June | Markers and Reflectors | 0.83% |
| 2023 to 2024 | Quarter 1: April to June | Parking Brake Performance | 0.73% |
| 2023 to 2024 | Quarter 1: April to June | Electrical Wiring and Equipment | 0.72% |
| 2022 to 2023 | Quarter 4: January to March | Lamps | 2.54% |
| 2022 to 2023 | Quarter 4: January to March | Brake Systems and Components | 2.35% |
| 2022 to 2023 | Quarter 4: January to March | Aim of Headlamps | 2.19% |
| 2022 to 2023 | Quarter 4: January to March | Service Brake Performance | 1.33% |
| 2022 to 2023 | Quarter 4: January to March | Steering | 1.24% |
| 2022 to 2023 | Quarter 4: January to March | Suspension | 1.06% |
| 2022 to 2023 | Quarter 4: January to March | Condition of Tyres | 0.92% |
| 2022 to 2023 | Quarter 4: January to March | Parking Brake Performance | 0.69% |
| 2022 to 2023 | Quarter 4: January to March | Speedometer/tachograph | 0.59% |
| 2022 to 2023 | Quarter 4: January to March | Exhaust Emissions | 0.58% |
| 2022 to 2023 | Quarter 3: October to December | Aim of Headlamps | 2.42% |
| 2022 to 2023 | Quarter 3: October to December | Lamps | 2.14% |
| 2022 to 2023 | Quarter 3: October to December | Brake Systems and Components | 1.83% |
| 2022 to 2023 | Quarter 3: October to December | Service Brake Performance | 1.27% |
| 2022 to 2023 | Quarter 3: October to December | Steering | 1.19% |
| 2022 to 2023 | Quarter 3: October to December | Suspension | 1.07% |
| 2022 to 2023 | Quarter 3: October to December | Condition of Tyres | 0.75% |
| 2022 to 2023 | Quarter 3: October to December | Parking Brake Performance | 0.65% |
| 2022 to 2023 | Quarter 3: October to December | Exhaust Emissions | 0.62% |
| 2022 to 2023 | Quarter 3: October to December | Speedometer/Tachograph | 0.59% |
| 2022 to 2023 | Quarter 2: July to September | Aim of Headlamps | 2.12% |
| 2022 to 2023 | Quarter 2: July to September | Lamps | 1.87% |
| 2022 to 2023 | Quarter 2: July to September | Brake Systems and Components | 1.43% |
| 2022 to 2023 | Quarter 2: July to September | Service Brake Performance | 1.10% |
| 2022 to 2023 | Quarter 2: July to September | Steering | 0.98% |
| 2022 to 2023 | Quarter 2: July to September | Suspension | 0.86% |
| 2022 to 2023 | Quarter 2: July to September | Condition of Tyres | 0.73% |
| 2022 to 2023 | Quarter 2: July to September | Parking Brake Performance | 0.60% |
| 2022 to 2023 | Quarter 2: July to September | Exhaust Emissions | 0.50% |
| 2022 to 2023 | Quarter 2: July to September | Speedometer/Tachograph | 0.49% |
| 2022 to 2023 | Quarter 1: April to June | Aim of Headlamps | 2.43% |
| 2022 to 2023 | Quarter 1: April to June | Lamps | 2.43% |
| 2022 to 2023 | Quarter 1: April to June | Brake Systems and Components | 1.87% |
| 2022 to 2023 | Quarter 1: April to June | Service Brake Performance | 1.42% |
| 2022 to 2023 | Quarter 1: April to June | Steering | 1.25% |
| 2022 to 2023 | Quarter 1: April to June | Suspension | 1.02% |
| 2022 to 2023 | Quarter 1: April to June | Condition of Tyres | 0.92% |
| 2022 to 2023 | Quarter 1: April to June | Parking Brake Performance | 0.74% |
| 2022 to 2023 | Quarter 1: April to June | Exhaust Emissions | 0.64% |
| 2022 to 2023 | Quarter 1: April to June | Speedometer/Tachograph | 0.59% |
| 2021 to 2022 | Quarter 4: January to March | Condition of Tyres | 5.57% |
| 2021 to 2022 | Quarter 4: January to March | Brake Systems and Components | 4.95% |
| 2021 to 2022 | Quarter 4: January to March | Oil Leaks | 3.65% |
| 2021 to 2022 | Quarter 4: January to March | Suspension | 3.44% |
| 2021 to 2022 | Quarter 4: January to March | Steering | 3.36% |
| 2021 to 2022 | Quarter 4: January to March | Lamps | 3.22% |
| 2021 to 2022 | Quarter 4: January to March | Aim of Headlamps | 2.93% |
| 2021 to 2022 | Quarter 4: January to March | Glass and View of the Road | 2.61% |
| 2021 to 2022 | Quarter 4: January to March | Service Brake Performance | 1.92% |
| 2021 to 2022 | Quarter 4: January to March | Condition of Chassis | 1.41% |
| 2021 to 2022 | Quarter 3: October to December | Brake Systems and Components | 3.92% |
| 2021 to 2022 | Quarter 3: October to December | Aim of Headlamps | 3.86% |
| 2021 to 2022 | Quarter 3: October to December | Condition of Tyres | 3.58% |
| 2021 to 2022 | Quarter 3: October to December | Lamps | 3.41% |
| 2021 to 2022 | Quarter 3: October to December | Suspension | 2.67% |
| 2021 to 2022 | Quarter 3: October to December | Steering | 2.43% |
| 2021 to 2022 | Quarter 3: October to December | Service Brake Performance | 1.88% |
| 2021 to 2022 | Quarter 3: October to December | Oil Leaks | 1.56% |
| 2021 to 2022 | Quarter 3: October to December | Parking Brake Performance | 0.99% |
| 2021 to 2022 | Quarter 3: October to December | Exhaust Systems | 0.98% |
| 2021 to 2022 | Quarter 2: July to September | Condition of Tyres | 3.41% |
| 2021 to 2022 | Quarter 2: July to September | Headlamp Aim | 3.01% |
| 2021 to 2022 | Quarter 2: July to September | Brake System Components | 2.81% |
| 2021 to 2022 | Quarter 2: July to September | Lamps | 2.74% |
| 2021 to 2022 | Quarter 2: July to September | Suspension | 1.89% |
| 2021 to 2022 | Quarter 2: July to September | Steering Mechanism | 1.77% |
| 2021 to 2022 | Quarter 2: July to September | Service Brake Performance | 1.61% |
| 2021 to 2022 | Quarter 2: July to September | Oil Leaks | 1.11% |
| 2021 to 2022 | Quarter 2: July to September | Exhaust Emmsions | 0.77% |
| 2021 to 2022 | Quarter 2: July to September | Parking Brake Performance | 0.80% |
| 2021 to 2022 | Quarter 1: April to June | Condition of Tyres | 8.52% |
| 2021 to 2022 | Quarter 1: April to June | Lamps | 3.93% |
| 2021 to 2022 | Quarter 1: April to June | Aim of Headlamps | 3.55% |
| 2021 to 2022 | Quarter 1: April to June | Brake Systems and Components | 3.53% |
| 2021 to 2022 | Quarter 1: April to June | Suspension | 2.34% |
| 2021 to 2022 | Quarter 1: April to June | Steering | 2.17% |
| 2021 to 2022 | Quarter 1: April to June | Service Brake Performance | 2.03% |
| 2021 to 2022 | Quarter 1: April to June | Oil Leaks | 1.28% |
| 2021 to 2022 | Quarter 1: April to June | Parking Brake Performance | 0.99% |
| 2021 to 2022 | Quarter 1: April to June | Exhaust Emmsions | 0.88% |
| 2020 to 2021 | Quarter 4: January to March | Condition of Tyres | 7.48% |
| 2020 to 2021 | Quarter 4: January to March | Lamps | 3.97% |
| 2020 to 2021 | Quarter 4: January to March | Brake Systems and Components | 3.76% |
| 2020 to 2021 | Quarter 4: January to March | Aim of Headlamps | 3.71% |
| 2020 to 2021 | Quarter 4: January to March | Suspension | 2.52% |
| 2020 to 2021 | Quarter 4: January to March | Service Brake Performance | 2.47% |
| 2020 to 2021 | Quarter 4: January to March | Steering | 2.25% |
| 2020 to 2021 | Quarter 4: January to March | Oil Leaks | 1.17% |
| 2020 to 2021 | Quarter 4: January to March | Parking Brake Performance | 1.13% |
| 2020 to 2021 | Quarter 4: January to March | Exhaust Emissions | 1.06% |
| 2020 to 2021 | Quarter 3: October to December | Brake Systems and Components | 4.27% |
| 2020 to 2021 | Quarter 3: October to December | Aim of Headlamps | 3.96% |
| 2020 to 2021 | Quarter 3: October to December | Lamps | 3.68% |
| 2020 to 2021 | Quarter 3: October to December | Steering | 2.62% |
| 2020 to 2021 | Quarter 3: October to December | Suspension | 2.59% |
| 2020 to 2021 | Quarter 3: October to December | Condition of Tyres | 2.38% |
| 2020 to 2021 | Quarter 3: October to December | Service Brake Performance | 2.20% |
| 2020 to 2021 | Quarter 3: October to December | Oil Leaks | 1.30% |
| 2020 to 2021 | Quarter 3: October to December | Exhaust Emissions | 1.16% |
| 2020 to 2021 | Quarter 3: October to December | Exhaust Systems | 1.05% |
| 2020 to 2021 | Quarter 2: July to September | Aim of Headlamps | 3.63% |
| 2020 to 2021 | Quarter 2: July to September | Brake Systems and Components | 3.27% |
| 2020 to 2021 | Quarter 2: July to September | Lamps | 3.09% |
| 2020 to 2021 | Quarter 2: July to September | Suspension | 2.16% |
| 2020 to 2021 | Quarter 2: July to September | Steering | 1.95% |
| 2020 to 2021 | Quarter 2: July to September | Service Brake Performance | 1.79% |
| 2020 to 2021 | Quarter 2: July to September | Condition of Tyres | 1.76% |
| 2020 to 2021 | Quarter 2: July to September | Oil Leaks | 1.01% |
| 2020 to 2021 | Quarter 2: July to September | Exhaust Emissions | 0.89% |
| 2020 to 2021 | Quarter 2: July to September | Parking Brake Performance | 0.87% |
| 2020 to 2021 | Quarter 1: April to June | Lamps | 4.66% |
| 2020 to 2021 | Quarter 1: April to June | Brake Systems and Components | 3.67% |
| 2020 to 2021 | Quarter 1: April to June | Service Brake Performance | 2.58% |
| 2020 to 2021 | Quarter 1: April to June | Suspension | 2.28% |
| 2020 to 2021 | Quarter 1: April to June | Condition of Tyres | 2.08% |
| 2020 to 2021 | Quarter 1: April to June | Aim of Headlamps | 1.88% |
| 2020 to 2021 | Quarter 1: April to June | Steering | 1.59% |
| 2020 to 2021 | Quarter 1: April to June | Oil Leaks | 1.59% |
| 2020 to 2021 | Quarter 1: April to June | Fuel Tanks and System | 1.09% |
| 2020 to 2021 | Quarter 1: April to June | Exhaust Systems | 0.99% |
| 2019 to 2020 | Quarter 4: January to March | Lamps | 3.20% |
| 2019 to 2020 | Quarter 4: January to March | Brake Systems and Components | 3.20% |
| 2019 to 2020 | Quarter 4: January to March | Aim of Headlamps | 3.10% |
| 2019 to 2020 | Quarter 4: January to March | Steering | 2.00% |
| 2019 to 2020 | Quarter 4: January to March | Suspension | 2.00% |
| 2019 to 2020 | Quarter 4: January to March | Service Brake Performance | 1.80% |
| 2019 to 2020 | Quarter 4: January to March | Condition of Tyres | 1.60% |
| 2019 to 2020 | Quarter 4: January to March | Oil Leaks | 1.10% |
| 2019 to 2020 | Quarter 4: January to March | Parking Brake Performance | 0.90% |
| 2019 to 2020 | Quarter 4: January to March | Exhaust Emissions | 0.90% |
| 2019 to 2020 | Quarter 3: October to December | Lamps | 2.80% |
| 2019 to 2020 | Quarter 3: October to December | Headlamp Aim | 3.00% |
| 2019 to 2020 | Quarter 3: October to December | Brake Systems Components | 2.50% |
| 2019 to 2020 | Quarter 3: October to December | Service Brake Performance | 1.60% |
| 2019 to 2020 | Quarter 3: October to December | Steering Mechanism | 1.50% |
| 2019 to 2020 | Quarter 3: October to December | Suspension | 1.30% |
| 2019 to 2020 | Quarter 3: October to December | Parking Brake Performance | 0.70% |
| 2019 to 2020 | Quarter 3: October to December | Speedo/Tacho | 0.80% |
| 2019 to 2020 | Quarter 3: October to December | Tyre condition | 0.80% |
| 2019 to 2020 | Quarter 3: October to December | Exhaust Emissions | 0.80% |
| 2019 to 2020 | Quarter 2: July to September | Lamps | 3.10% |
| 2019 to 2020 | Quarter 2: July to September | Headlamp Aim | 3.00% |
| 2019 to 2020 | Quarter 2: July to September | Brake System Components | 2.40% |
| 2019 to 2020 | Quarter 2: July to September | Service Brake Performance | 1.70% |
| 2019 to 2020 | Quarter 2: July to September | Steering Mechanism | 1.50% |
| 2019 to 2020 | Quarter 2: July to September | Suspension | 1.30% |
| 2019 to 2020 | Quarter 2: July to September | Parking Brake Performance | 0.80% |
| 2019 to 2020 | Quarter 2: July to September | Speedo/Tacho | 0.70% |
| 2019 to 2020 | Quarter 2: July to September | Tyre condition | 0.80% |
| 2019 to 2020 | Quarter 2: July to September | Exhaust Emmsions | 0.90% |
| 2019 to 2020 | Quarter 1: April to June | Lamps | 3.20% |
| 2019 to 2020 | Quarter 1: April to June | Headlamp Aim | 3.00% |
| 2019 to 2020 | Quarter 1: April to June | Brake System Components | 2.40% |
| 2019 to 2020 | Quarter 1: April to June | Service Brake Performance | 1.70% |
| 2019 to 2020 | Quarter 1: April to June | Steering Mechanism | 1.50% |
| 2019 to 2020 | Quarter 1: April to June | Exhaust Emmsions | 0.90% |
| 2019 to 2020 | Quarter 1: April to June | Parking Brake Performance | Not set |
| 2019 to 2020 | Quarter 1: April to June | Exhaust Emmsions | 0.90% |
| 2019 to 2020 | Quarter 1: April to June | Tyre condition | 0.80% |
| 2019 to 2020 | Quarter 1: April to June | Exhaust Emmsions | 0.90% |
| 2019 to 2020 | Quarter 1: April to June | Wiring | Not set |
| 2019 to 2020 | Quarter 1: April to June | Hazard Warning | 0.60% |
| 2018 to 2019 | Total | Lamps | 3.50% |
| 2018 to 2019 | Total | Headlamp Aim | 3.40% |
| 2018 to 2019 | Total | Brake System Components | 2.90% |
| 2018 to 2019 | Total | Service Brake Performance | 2.20% |
| 2018 to 2019 | Total | Steering Mechanism | 1.80% |
| 2018 to 2019 | Total | Suspension | 1.50% |
| 2018 to 2019 | Total | Parking Brake Performance | 1.00% |
| 2018 to 2019 | Total | Speedo/Tacho | 0.80% |
| 2018 to 2019 | Total | Tyre Condition | 0.80% |
| 2018 to 2019 | Total | Exhaust Emission | 0.80% |
| 2018 to 2019 | Total | Wiring | Not set |
| 2018 to 2019 | Total | Hazard Warning | Not set |
| 2017 to 2018 | Total | Lamps | 3.80% |
| 2017 to 2018 | Total | Headlamp Aim | 3.60% |
| 2017 to 2018 | Total | Brake System Components | 3.20% |
| 2017 to 2018 | Total | Service Brake Performance | 2.30% |
| 2017 to 2018 | Total | Steering Mechanism | 2.00% |
| 2017 to 2018 | Total | Suspension | 1.60% |
| 2017 to 2018 | Total | Parking Brake Performance | 1.00% |
| 2017 to 2018 | Total | Speedo/Tacho | 0.90% |
| 2017 to 2018 | Total | Tyre Condition | Not set |
| 2017 to 2018 | Total | Exhaust Emission | Not set |
| 2017 to 2018 | Total | Wiring | 0.90% |
| 2017 to 2018 | Total | Hazard Warning | 0.80% |
| 2016 to 2017 | Total | Lamps | 3.80% |
| 2016 to 2017 | Total | Headlamp Aim | 4.00% |
| 2016 to 2017 | Total | Brake System Components | 3.20% |
| 2016 to 2017 | Total | Service Brake Performance | 2.30% |
| 2016 to 2017 | Total | Steering Mechanism | 1.90% |
| 2016 to 2017 | Total | Suspension | 1.60% |
| 2016 to 2017 | Total | Parking Brake Performance | 1.10% |
| 2016 to 2017 | Total | Speedo/Tacho | 0.90% |
| 2016 to 2017 | Total | Tyre Condition | Not set |
| 2016 to 2017 | Total | Exhaust Emission | Not set |
| 2016 to 2017 | Total | Wiring | 1.00% |
| 2016 to 2017 | Total | Hazard Warning | 0.80% |
| 2015 to 2016 | Total | Headlamp Aim | 4.80% |
| 2015 to 2016 | Total | Lamps | 3.80% |
| 2015 to 2016 | Total | Brake System Components | 3.30% |
| 2015 to 2016 | Total | Service Brake Performance | 2.50% |
| 2015 to 2016 | Total | Steering Mechanism | 1.90% |
| 2015 to 2016 | Total | Suspension | 1.60% |
| 2015 to 2016 | Total | Secondary Brake Performance | 1.40% |
| 2015 to 2016 | Total | Parking Brake Performance | 1.20% |
| 2015 to 2016 | Total | Speedo/Tacho | 1.00% |
| 2015 to 2016 | Total | Wiring | 1.00% |
| 2014 to 2015 | Total | Headlamp Aim | 7.30% |
| 2014 to 2015 | Total | Lamps | 4.10% |
| 2014 to 2015 | Total | Brake System Components | 3.60% |
| 2014 to 2015 | Total | Service Brake Performance | 2.90% |
| 2014 to 2015 | Total | Steering Mechanism | 2.10% |
| 2014 to 2015 | Total | Suspension | 1.70% |
| 2014 to 2015 | Total | Secondary Brake Performance | 1.90% |
| 2014 to 2015 | Total | Parking Brake Performance | 1.40% |
| 2014 to 2015 | Total | Speedo/Tacho | 1.20% |
| 2014 to 2015 | Total | Wiring | 1.00% |
| 2013 to 2014 | Total | Headlamp Aim | 8.10% |
| 2013 to 2014 | Total | Lamps | 4.40% |
| 2013 to 2014 | Total | Brake System Components | 3.70% |
| 2013 to 2014 | Total | Service Brake Performance | 3.30% |
| 2013 to 2014 | Total | Steering Mechanism | 2.50% |
| 2013 to 2014 | Total | Suspension | 1.70% |
| 2013 to 2014 | Total | Secondary Brake Performance | 2.30% |
| 2013 to 2014 | Total | Parking Brake Performance | 1.40% |
| 2013 to 2014 | Total | Speedo/Tacho | 1.30% |
| 2013 to 2014 | Total | Wiring | 1.10% |