| Most common failures | No# failures |
|---|
| Registration plate lamp issues | 1179 |
| Windscreen wiper does not clear the windscreen effectively | 1035 |
| Parking brake: efficiency below requirements |3.7.B.7| | 710 |
| Headlamp aim out of alignment | 685 |
| Brake pipe excessively corroded | 583 |
| Rear parking brake recording little or no effort | 475 |
| Offside Stop lamp not working |1.2.1b| | 281 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 236 |
| Registration plate issues | 227 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 206 |
| Brakes imbalanced across an axle | 206 |
| Nearside Stop lamp not working |1.2.1b| | 195 |
| Offside Front Shock absorber has a serious fluid leak |2.7.3| | 153 |
| Offside Rear Stop lamp not working |1.2.1b| | 129 |
| Centre Stop lamp not working |1.2.1b| | 128 |
| Parking brake lever has no reserve travel |3.1.6b| | 124 |
| Nearside Rear Stop lamp not working |1.2.1b| | 122 |
| Exhaust emits an excessive level of metered smoke for a turbo charged engine |7.4.B.3b| | 106 |
| Nearside Front Shock absorber has a serious fluid leak |2.7.3| | 99 |
| Offside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 99 |
| Nearside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 97 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 92 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 86 |
| Rear brake binding | 74 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 70 |
| Steering rack insecure |2.2.B.1a| | 69 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 67 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 66 |
| Anti-lock braking system warning lamp indicates an ABS fault | 59 |
| Parking brake efficiency below requirements |1.4.2 |a| |i|| | 57 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 56 |
| Brake hose excessively deteriorated | 53 |
| Nearside front brake binding |3.7.B.1| | 51 |
| Front brake application uneven | 50 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 47 |
| Front brake disc in such a condition that it is seriously weakened | 44 |
| Battery insecure |1.9.1| | 43 |
| Offside Headlamp excessively deteriorated so that the light output is severely reduced |1.7.5a| | 42 |
| Stop lamp not working |1.2.1b| | 40 |
| Windscreen has damage | 38 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 36 |
| Offside front brake binding |3.7.B.1| | 35 |
| Nearside Headlamp excessively deteriorated so that the light output is severely reduced |1.7.5a| | 35 |
| Nearside Front Headlamp aim beam image obviously incorrect |1.8.A.1b| | 33 |
| Offside Front Headlamp aim beam image obviously incorrect |1.8.A.1b| | 33 |
| Offside Front Headlamp not working on dipped beam |1.7.5a| | 32 |
| Offside Front Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 31 |
| Offside Rear fog lamp not working |1.3.2b| | 31 |
| Exhaust emits excessive smoke or vapour of any colour |7.4.B.4| | 30 |
| Nearside Front Headlamp not working on dipped beam |1.7.5a| | 30 |
| Offside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 29 |
| Centre Rear Stop lamp not working |1.2.1b| | 28 |
| Nearside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 27 |
| Offside Front Anti-roll bar linkage ball joint dust cover excessively damaged so that it no longer prevents the ingress of dirt |2.4.G.2| | 27 |
| Nearside Front Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 26 |
| Nearside Front Anti-roll bar linkage ball joint dust cover excessively damaged so that it no longer prevents the ingress of dirt |2.4.G.2| | 26 |
| Rear brake disc in such a condition that it is seriously weakened | 26 |
| Offside Front Position lamp not working |4.2.1 |a|| | 26 |
| Nearside Rear Shock absorber has a serious fluid leak |2.7.3| | 25 |
| Nearside Front wheel bearing has excessive play |2.5.A.3c| | 24 |
| Offside Rear Trailing arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 24 |
| Offside Front Wheel nut|s| missing |4.2.A.1e| | 23 |
| Emissions not tested |7.0| | 23 |
| Windscreen wiper blade insecure | 23 |
| Nearside Rear Trailing arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 23 |
| Nearside Rear position lamp|s| not working |1.1.A.3b| | 23 |
| Offside Front Shock absorbers has a serious fluid leak | 22 |
| Offside Rear position lamp|s| not working |1.1.A.3b| | 22 |
| Offside Front Anti-roll bar linkage ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt |2.4.G.2| | 22 |
| Nearside Headlamp aim aimed so that it dazzles other road users |1.8.A.1a| | 22 |
| Nearside Front Position lamp not working |4.2.1 |a|| | 22 |
| Service brake: efficiency below requirements |3.7.B.7| | 21 |
| Offside Rear Suspension component mounting prescribed area is excessively corroded |2.4.A.3| | 21 |
| Nearside Front Headlamp excessively deteriorated so that the light output is severely reduced |1.7.5a| | 21 |
| Nearside Stop lamp(s) not working (4.3.1 (a) (ii)) | 21 |
| Offside Rear Shock absorber has a serious fluid leak |2.7.3| | 21 |
| Offside Front front brake binding |3.7.B.1| | 20 |
| Offside Rear Sub-frame rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 20 |
| Nearside Front Shock absorbers has a serious fluid leak | 20 |
| Steering system has excessive free play detected at the steering wheel |steering rack fitted| |2.2.A.1b| | 20 |
| Offside Headlamp has a product on the lens so that the light output is severely reduced |1.7.5a| | 20 |
| Nearside Rear Sub-frame rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 20 |
| Offside Rear Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 20 |
| Nearside Front Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 19 |
| Offside Rear Suspension component mounting prescribed area is excessively corroded inner sill |2.4.A.3| | 19 |
| Offside Front Headlamp excessively deteriorated so that the light output is severely reduced |1.7.5a| | 19 |
| Nearside Front Anti-roll bar linkage ball joint dust cover excessively deteriorated so that it no longer prevents the ingress of dirt |2.4.G.2| | 19 |
| Offside Headlamp not in good working order adversely affecting beam image |1.2.4a| | 19 |
| Nearside Front Lower Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 18 |
| Nearside Front Wheel nut|s| missing |4.2.A.1e| | 18 |
| Offside Front Anti-roll bar linkage has excessive play in a ball joint |2.4.G.2| | 18 |
| Rear Stop lamp not working |1.2.1b| | 18 |
| Offside Front Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 18 |
| Nearside Front front brake binding |3.7.B.1| | 18 |
| Nearside Rear Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 18 |
| Offside Rear Wheel nut|s| missing |4.2.A.1e| | 18 |
| Rear fog lamp not working |1.3.2b| | 17 |
| Offside Headlamp aim aimed so that it dazzles other road users |1.8.A.1a| | 17 |
| Nearside Headlamp has a product on the lens so that the light output is severely reduced |1.7.5a| | 17 |
| Offside rear brake recording little or no effort |3.7.B.5a| | 16 |
| Offside Rear Other passenger door cannot be opened from outside the vehicle (6.2.3 (a)) | 16 |
| Parking brake efficiency less than 50% of the required value (1.4.2 (a) (ii)) | 16 |
| Nearside Stop lamp|s| not working |4.3.1 |a| |ii|| | 16 |
| Offside Rear Suspension component mounting prescribed area excessively corroded significantly reducing structural strength (5.3.6 (a) (i)) | 16 |
| Offside Stop lamp(s) not working (4.3.1 (a) (ii)) | 16 |
| Offside Stop lamp|s| not working |4.3.1 |a| |ii|| | 16 |