| Most common failures | No# failures |
|---|
| Registration plate lamp issues | 700 |
| Headlamp aim out of alignment | 618 |
| Windscreen wiper does not clear the windscreen effectively | 179 |
| Nearside Front position lamp|s| not working |1.1.A.3b| | 144 |
| Offside Front position lamp|s| not working |1.1.A.3b| | 113 |
| Parking brake: efficiency below requirements |3.7.B.7| | 98 |
| Registration plate issues | 82 |
| Rear parking brake recording little or no effort | 70 |
| Offside Headlamp not working on dipped beam |1.7.5a| | 67 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 50 |
| Nearside Front Front position lamp|s| not working |1.1.A.3b| | 49 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 48 |
| Anti-lock braking system warning lamp indicates an ABS fault | 46 |
| Nearside Headlamp not working on dipped beam |1.7.5a| | 42 |
| Offside Front Front position lamp|s| not working |1.1.A.3b| | 41 |
| Offside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 36 |
| Nearside Headlamp aim beam image obviously incorrect |1.8.A.1b| | 33 |
| Brakes imbalanced across an axle | 32 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 32 |
| Supplementary Restraint System warning lamp indicates a fault |5.4.2| | 30 |
| Parking brake lever has no reserve travel |3.1.6b| | 29 |
| Nearside Stop lamp not working |1.2.1b| | 28 |
| Rear Exhaust system not adequately supported |7.1.1| | 26 |
| Exhaust system not adequately supported |7.1.1| | 22 |
| Offside Front Track rod end ball joint has excessive play |2.2.B.1f| | 21 |
| Offside Front Headlamp not working on dipped beam |1.7.5a| | 21 |
| Parking brake efficiency less than 50% of the required value (1.4.2 (a) (ii)) | 19 |
| Nearside Front Track rod end ball joint has excessive play |2.2.B.1f| | 18 |
| Offside Front Position lamp not working |4.2.1 |a|| | 18 |
| Centre Exhaust system not adequately supported |7.1.1| | 17 |
| Offside Track rod end ball joint has excessive play |2.2.B.1f| | 17 |
| Nearside Rear position lamp|s| not working |1.1.A.3b| | 17 |
| Horn not working |1.6.2a| | 17 |
| Nearside Front Headlamp not working on dipped beam |1.7.5a| | 16 |
| Rear brake disc in such a condition that it is seriously weakened | 15 |
| Nearside Track rod end ball joint has excessive play |2.2.B.1f| | 15 |
| Front brake disc in such a condition that it is seriously weakened | 15 |
| Windscreen has damage | 15 |
| Windscreen washer not working | 15 |
| Offside Front Headlamp aim beam image obviously incorrect |1.8.A.1b| | 15 |
| Offside Stop lamp not working |1.2.1b| | 14 |
| Electronic stability system warning lamp indicates a fault |3.4.1c| | 14 |
| Offside Headlamp not in good working order adversely affecting beam image |1.2.4a| | 14 |
| Nearside Front Position lamp not working |4.2.1 |a|| | 13 |
| Offside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 13 |
| Offside Front Track rod end ball joint has excessive play (2.1.3 (b) (i)) | 13 |
| Nearside Front Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 13 |
| Nearside Front Track rod end ball joint has excessive play (2.1.3 (b) (i)) | 13 |
| Nearside Track rod end ball joint has excessive play (2.1.3 (b) (i)) | 12 |
| Nearside Front Wheel bolt|s| missing |4.2.A.1e| | 12 |
| Offside Rear position lamp|s| not working |1.1.A.3b| | 12 |
| Supplementary restraint system warning lamp indicates a fault (7.1.6 (a)) | 12 |
| Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone `A` |8.3.1e| | 11 |
| Nearside Front Direction indicator incorrect colour |1.4.A.2f| | 11 |
| Offside Front Direction indicator incorrect colour |1.4.A.2f| | 11 |
| Offside Front Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 11 |
| Offside Rear Parking brake inoperative on one side (1.4.1 (a)) | 11 |
| Nearside Front Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 11 |
| Offside Side repeater not working |1.4.A.2c| | 10 |
| Offside Front Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 10 |
| Nearside Rear Stop lamp not working |1.2.1b| | 10 |
| Parking brake efficiency less than 50% of the required value |1.4.2 |a| |ii|| | 10 |
| Offside Headlamp aim aimed so that it dazzles other road users |1.8.A.1a| | 9 |
| Rear fog lamp not working |1.3.2b| | 9 |
| Front brake excessively fluctuating | 9 |
| Nearside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 9 |
| Nearside Front Track rod end ball joint has excessive play |2.1.3 |b| |i|| | 9 |
| Nearside Front Headlamp aim beam image obviously incorrect |1.8.A.1b| | 9 |
| Offside Front Lower Suspension arm rubber bush deteriorated resulting in excessive movement |2.4.G.2| | 9 |