| Most common failures | No# failures |
|---|
| Headlamp aim out of alignment | 686 |
| Brake pipe excessively corroded | 632 |
| Registration plate issues | 431 |
| Registration plate lamp issues | 361 |
| Windscreen wiper does not clear the windscreen effectively | 221 |
| Parking brake: efficiency below requirements |3.7.B.7| | 198 |
| Supplementary Restraint System warning lamp indicates a fault |5.4.2| | 173 |
| Rear parking brake recording little or no effort | 146 |
| Offside Front Track rod end ball joint has excessive play |2.2.B.1f| | 119 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 116 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 111 |
| Nearside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 110 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 102 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 99 |
| Nearside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 97 |
| Supplementary restraint system warning lamp indicates a fault (7.1.6 (a)) | 97 |
| Offside Front Lower Suspension arm has excessive play in a ball joint |2.4.G.2| | 94 |
| Brake hose excessively deteriorated | 93 |
| Front brake disc in such a condition that it is seriously weakened | 86 |
| Offside Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 84 |
| Nearside Front Track rod end ball joint has excessive play |2.2.B.1f| | 83 |
| Offside Track rod end ball joint has excessive play |2.2.B.1f| | 83 |
| Offside Side repeater not working |1.4.A.2c| | 83 |
| Nearside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 80 |
| Anti-lock braking system warning lamp indicates an ABS fault | 77 |
| Offside Front Suspension arm has excessive play in a ball joint |2.4.G.2| | 68 |
| Nearside Track rod end ball joint has excessive play |2.2.B.1f| | 66 |
| Nearside Front Headlamp not working on dipped beam |1.7.5a| | 62 |
| Fuel system component leaking |7.2.3| | 62 |
| Offside Front Headlamp not working on dipped beam |1.7.5a| | 61 |
| Brakes imbalanced across an axle | 60 |
| Nearside Side repeater not working |1.4.A.2c| | 60 |
| Offside Rear Upper Suspension arm has excessive play in a pin/bush |2.4.G.2| | 58 |
| Nearside Front Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 55 |
| Horn not working |1.6.2a| | 48 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 46 |
| Offside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 46 |
| Supplementary restraint system warning lamp indicates a fault |7.1.6 |a|| | 45 |
| Rear brake binding | 44 |
| Nearside Rear Upper Suspension arm has excessive play in a pin/bush |2.4.G.2| | 43 |
| Parking brake lever has no reserve travel |3.1.6b| | 43 |
| Windscreen has damage | 43 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 42 |
| Offside Front Front suspension has excessive play in a lower suspension ball joint |2.5.B.1a| | 40 |
| Nearside Rear Upper Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 39 |
| Offside Rear Upper Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 37 |
| Windscreen washer not working | 36 |
| Rear brake disc in such a condition that it is seriously weakened | 36 |
| Nearside Front Wheel bolt|s| missing |4.2.A.1e| | 34 |
| Offside Rear Shock absorber has a serious fluid leak |2.7.3| | 31 |
| Offside Front Lower Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 30 |
| Nearside Rear Shock absorber has a serious fluid leak |2.7.3| | 29 |
| Exhaust emissions exceed manufacturers specified limit (8.2.2.2 (a)) | 29 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 28 |
| Nearside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 27 |
| Offside Rear Wheel bolt|s| missing |4.2.A.1e| | 27 |
| Offside Front Wheel bolt|s| missing |4.2.A.1e| | 26 |
| Nearside Rear Wheel bolt|s| missing |4.2.A.1e| | 26 |
| Nearside Rear Direction indicator incorrect colour |1.4.A.2f| | 26 |
| Exhaust emits an excessive level of metered smoke for a turbo charged engine |7.4.B.3b| | 26 |
| Nearside Front Lower Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 25 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 24 |
| Offside Headlamp excessively deteriorated so that the light output is severely reduced |1.7.5a| | 23 |
| Offside Front Track rod end ball joint has excessive play (2.1.3 (b) (i)) | 23 |
| Offside Front Side repeater not working |1.4.A.2c| | 22 |
| Offside Rear fog lamp not working |1.3.2b| | 21 |
| Front Fuel system component leaking |7.2.3| | 21 |
| Nearside Headlamp excessively deteriorated so that the light output is severely reduced |1.7.5a| | 21 |
| Offside Side repeater not working (4.4.1 (a) (ii)) | 21 |
| Nearside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 20 |
| Offside Front Front wheel bearing has excessive play |2.5.A.3c| | 20 |
| Nearside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 20 |
| Nearside Rear Direction indicator not working |1.4.A.2c| | 20 |
| Offside Front wheel bearing has excessive play |2.5.A.3c| | 20 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 20 |
| Nearside Front wheel bearing has excessive play |2.5.A.3c| | 20 |
| Offside Rear Upper Suspension arm pin or bush excessively worn (5.3.4 (a) (i)) | 19 |
| Parking brake efficiency below requirements |1.4.2 |a| |i|| | 19 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 18 |
| Service brake: efficiency below requirements |3.7.B.7| | 18 |
| Nearside Rear position lamp|s| not working |1.1.A.3b| | 18 |
| Offside Headlamp excessively damaged so that the light output is severely reduced |1.7.5a| | 18 |
| Nearside Rear Suspension arm has excessive play in a pin/bush |2.4.G.2| | 17 |
| Nearside Side repeater not working (4.4.1 (a) (ii)) | 17 |
| Nearside Front Front wheel bearing has excessive play |2.5.A.3c| | 17 |
| Front brake excessively fluctuating | 17 |
| Nearside Stop lamp not working |1.2.1b| | 16 |
| Offside Front Headlamp aim beam image obviously incorrect |1.8.A.1b| | 16 |
| Offside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 16 |
| Offside Front Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 16 |
| Offside Front Lower Suspension arm ball joint dust cover excessively damaged so that it no longer prevents the ingress of dirt |2.4.G.2| | 16 |