| Most common failures | No# failures |
|---|
| Brake pipe excessively corroded | 245 |
| Registration plate lamp issues | 167 |
| Headlamp aim out of alignment | 161 |
| Parking brake: efficiency below requirements |3.7.B.7| | 139 |
| Rear parking brake recording little or no effort | 129 |
| Windscreen wiper does not clear the windscreen effectively | 125 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 73 |
| Brakes imbalanced across an axle | 73 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 60 |
| Centre Stop lamp not working |1.2.1b| | 45 |
| Rear brake binding | 42 |
| Registration plate issues | 33 |
| Battery insecure |1.9.1| | 31 |
| Offside Stop lamp not working |1.2.1b| | 30 |
| Rear brake application uneven | 24 |
| Nearside Stop lamp not working |1.2.1b| | 22 |
| Parking brake lever has no reserve travel |3.1.6b| | 22 |
| Exhaust emits an excessive level of metered smoke for a turbo charged engine |7.4.B.3b| | 22 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 21 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 17 |
| Fuel system component leaking |7.2.3| | 16 |
| Nearside Rear Stop lamp not working |1.2.1b| | 15 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 14 |
| Offside Rear fog lamp not working |1.3.2b| | 13 |
| Nearside Front constant velocity joint gaiter split |2.5.C.1a| | 13 |
| Offside Rear Stop lamp not working |1.2.1b| | 12 |
| Service brake: efficiency below requirements |3.7.B.7| | 12 |
| Offside front brake binding |3.7.B.1| | 10 |
| Anti-lock braking system warning lamp indicates an ABS fault | 10 |
| Rear fog lamp not working |1.3.2b| | 10 |
| Nearside Front Front constant velocity joint gaiter damaged to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 9 |
| Nearside Front constant velocity joint gaiter damaged to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 9 |
| Offside rear brake recording little or no effort |3.7.B.5a| | 9 |
| Nearside Front Track rod end ball joint has excessive play |2.2.B.1f| | 9 |
| Front brake application uneven | 9 |
| Nearside Rear Shock absorber has a serious fluid leak |2.7.3| | 9 |
| Centre Rear Stop lamp not working |1.2.1b| | 9 |
| Offside Headlamp not in good working order adversely affecting beam image |1.2.4a| | 9 |
| Nearside rear brake recording little or no effort |3.7.B.5a| | 8 |
| Offside Track rod end ball joint has excessive play |2.2.B.1f| | 8 |
| Front brake disc in such a condition that it is seriously weakened | 7 |
| Horn not working |1.6.2a| | 7 |
| Offside Front constant velocity joint gaiter damaged to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 7 |
| Offside Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 7 |
| Nearside Headlamp not working on main beam |1.7.5a| | 6 |
| Brake pedal anti-slip provision missing |3.3.A.1b| | 6 |
| Offside Front Front constant velocity joint gaiter damaged to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 6 |
| Offside Rear rear brake recording little or no effort |3.7.B.5a| | 6 |
| Rear Mechanical brake component has restricted free movement | 6 |
| Windscreen has damage | 6 |
| Nearside Front Headlamp not working on dipped beam |1.7.5a| | 6 |
| Front position lamp|s| not working |1.1.A.3b| | 6 |
| Offside Front Track rod end ball joint has excessive play |2.2.B.1f| | 6 |
| Nearside Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 6 |
| Stop lamp not working |1.2.1b| | 6 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 6 |
| Offside Front Brake pipe leaking |3.6.A.1| | 5 |
| Offside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 5 |
| Offside Rear Shock absorber has a serious fluid leak |2.7.3| | 5 |
| Offside Front constant velocity joint gaiter split |2.5.C.1a| | 5 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 5 |
| Front Fuel system component leaking |7.2.3| | 5 |
| Brake pedal spongy |3.3.B.1b| | 5 |
| Offside Rear Rear fog lamp not working |1.3.2b| | 5 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 5 |
| Nearside Front Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 4 |
| Offside Front Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 4 |
| Windscreen wiper blade insecure | 4 |
| Offside Front Front constant velocity joint gaiter deteriorated to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 4 |
| Nearside Front Front constant velocity joint gaiter deteriorated to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 4 |
| Offside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 4 |
| Nearside Front Anti-roll bar rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 4 |
| Offside Front Anti-roll bar rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 4 |
| Offside Front position lamp|s| excessively deteriorated so that it is not visible from a reasonable distance |1.1.A.3d| | 4 |
| Brake pedal anti-slip provision incomplete |3.3.A.1b| | 4 |
| Nearside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 4 |
| Centre Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 4 |
| Nearside Headlamp aim aimed so that it dazzles other road users |1.8.A.1a| | 4 |
| Offside Front Headlamp not working on dipped beam |1.7.5a| | 4 |
| Supplementary Restraint System warning lamp indicates a fault |5.4.2| | 4 |
| Offside Headlamp excessively damaged so that the light output is severely reduced |1.7.5a| | 4 |
| Brake fluid warning lamp illuminated |3.6.G.2| | 3 |
| Offside Front Wheel nut|s| missing |4.2.A.1e| | 3 |
| Offside Rear Wheel nut|s| missing |4.2.A.1e| | 3 |
| Offside Front Headlamp not in good working order adversely affecting beam image |1.2.4a| | 3 |
| Nearside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 3 |
| Front brake disc excessively pitted |3.5.1h| | 3 |
| Emissions not tested |7.0| | 3 |
| Offside Front Suspension arm corroded and seriously weakened |2.4.G.1| | 3 |
| Nearside Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 3 |
| Offside Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 3 |
| Nearside Front Suspension arm ball joint dust cover excessively damaged so that it no longer prevents the ingress of dirt |2.4.G.2| | 3 |
| Nearside Front Lower Suspension arm ball joint dust cover excessively damaged so that it no longer prevents the ingress of dirt |2.4.G.2| | 3 |
| Stop lamp remains on when the brakes are released | 3 |
| Parking brake efficiency less than 50% of the required value (1.4.2 (a) (ii)) | 3 |
| Offside Headlamp insecure |1.7.3| | 3 |
| Centre Upper Stop lamp not working |1.2.1b| | 3 |
| Offside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 3 |
| Windscreen washer not working | 3 |
| Nearside Track rod end ball joint has excessive play |2.2.B.1f| | 3 |
| Nearside Front constant velocity joint gaiter deteriorated to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 3 |
| Offside Front Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 3 |
| Nearside Rear Braking system leaking |3.6.A.1| | 3 |
| Brake performance not tested |3.7.A.1| | 3 |
| Offside Front Seat belt anchorage prescribed area is excessively corroded |5.2.6| | 3 |
| Nearside Front Brake pipe leaking |3.6.A.1| | 3 |
| Offside Rear Service brake excessively binding |1.2.1 |f|| | 3 |
| Nearside Front constant velocity joint gaiter insecure to the extent that it no longer prevents the ingress of dirt etc |2.5.C.1a| | 3 |
| Offside Headlamp not working on main beam |1.7.5a| | 3 |
| Nearside Front position lamp|s| not in good working order |function impaired| |1.1.4a| | 3 |
| Brake hydraulic reservoir fluid level below minimum level |3.6.G.1b| | 3 |
| Nearside Front brake disc excessively pitted |3.5.1h| | 3 |
| Brake pedal has insufficient reserve movement |3.3.A.5| | 3 |
| Rear Upper Stop lamp not working |1.2.1b| | 3 |
| Nearside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 3 |