| Most common failures | No# failures |
|---|
| Brake pipe excessively corroded | 7 |
| Offside Rear fog lamp not working |1.3.2b| | 4 |
| Exhaust emissions carbon monoxide content after 2nd fast idle excessive |7.3.D.3| | 3 |
| Exhaust emissions carbon monoxide content at idle excessive |7.3.D.4| | 3 |
| Emissions not tested |7.0| | 3 |
| Direction indicators flashing more than 120 times a minute |1.4.A.2g| | 3 |
| Nearside Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 3 |
| Registration plate issues | 3 |
| Horn not working |1.6.2a| | 2 |
| Exhaust emissions Lambda reading after 2nd fast idle outside specified limits |7.3.D.3| | 2 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 2 |
| Exhaust emissions hydrocarbon content after 2nd fast idle excessive |7.3.D.3| | 2 |
| Windscreen has a sticker or other obstruction encroaching by more than 10mm within zone `A` |8.3.1b| | 2 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 2 |
| Exhaust has a major leak of exhaust gases |7.1.2| | 2 |
| Headlamp aim out of alignment | 2 |
| Nearside Outer Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 1 |
| Service brake: efficiency below requirements |3.7.B.7| | 1 |
| Parking brake: efficiency below requirements |3.7.B.7| | 1 |
| Brake performance not tested |3.7.A.1| | 1 |
| Offside Rear fog lamp obscured more than 50% |1.3.2c| | 1 |
| Rear fog lamp switch missing |1.3.1a| | 1 |
| Rear Braking system leaking |3.6.A.1| | 1 |
| Nearside Direction indicator flashing more than 120 times a minute |1.4.A.2g| | 1 |
| Offside Direction indicator flashing more than 120 times a minute |1.4.A.2g| | 1 |
| Offside Stop lamp not working |1.2.1b| | 1 |
| Offside Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 1 |
| Battery insecure |1.9.1| | 1 |
| Nearside Outer Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 1 |
| Nearside Front Headlamp aim beam image obviously incorrect |1.8.A.1b| | 1 |
| Offside Front Headlamp aim beam image obviously incorrect |1.8.A.1b| | 1 |
| Offside Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 1 |
| Offside Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 1 |
| Nearside Outer Rear wheel steering ball joint has excessive play |2.2.B.1i| | 1 |
| Offside Outer Rear wheel steering ball joint has excessive play |2.2.B.1i| | 1 |
| Nearside Rear Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 1 |
| Offside Obligatory mirror missing |8.1.1| | 1 |
| Brake hydraulic reservoir fluid level below minimum level |3.6.G.1b| | 1 |
| Nearside Rear Wheel nut|s| missing |4.2.A.1e| | 1 |
| Offside Rear Wheel nut|s| missing |4.2.A.1e| | 1 |
| Nearside All position lamps not working |1.1.A.3b| | 1 |
| Offside Side repeater not working |1.4.A.2c| | 1 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 1 |
| Windscreen has damage | 1 |
| Brakes imbalanced across an axle | 1 |