| Most common failures | No# failures |
|---|
| Windscreen wiper does not clear the windscreen effectively | 1606 |
| Headlamp aim out of alignment | 800 |
| Registration plate lamp issues | 467 |
| Engine MIL inoperative or indicates a malfunction (8.2.2.2 (g)) | 167 |
| Nearside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 154 |
| Nearside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 148 |
| Nearside Stop lamp(s) not working (4.3.1 (a) (ii)) | 114 |
| Offside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 101 |
| Offside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 99 |
| Nearside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 95 |
| Offside Stop lamp(s) not working (4.3.1 (a) (ii)) | 89 |
| Windscreen washer not working | 89 |
| Offside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 83 |
| Brake pedal anti-slip provision missing (1.1.2 (c)) | 76 |
| Engine MIL inoperative or indicates a malfunction (8.2.1.2 (h)) | 68 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 63 |
| Registration plate issues | 60 |
| Offside Rear Position lamp not working (4.2.1 (a) (ii)) | 55 |
| Offside Front Outer Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 53 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 50 |
| Rear Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 48 |
| Nearside Front Outer Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 48 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 47 |
| Nearside Rear Position lamp not working (4.2.1 (a) (ii)) | 47 |
| Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 41 |
| Anti-lock braking system warning lamp indicates an ABS fault | 36 |
| Nearside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 32 |
| Front brake disc in such a condition that it is seriously weakened | 32 |
| Offside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 30 |
| Offside Rear Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 30 |
| Rear brake disc in such a condition that it is seriously weakened | 29 |
| Offside Front Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 28 |
| Windscreen damaged and affecting the drivers view of the road (3.2 (a) (ii)) | 27 |
| Nearside Headlamp aim unable to be tested (4.1.2 (b)) | 27 |
| Offside Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 26 |
| Nearside Rear Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 25 |
| Nearside Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 25 |
| Brakes imbalanced across an axle | 25 |
| Offside Front Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 24 |
| Exhaust emissions exceed manufacturers specified limit (8.2.2.2 (a)) | 24 |
| Electronic stability control warning lamp indicates a fault (7.12 (e)) | 23 |
| Offside Front Headlamp insecure (4.1.1 (c)) | 22 |
| Service brake efficiency below requirements (1.2.2 (a) (i)) | 22 |
| Nearside Rear Position lamp showing white light to the rear (4.2.3 (a) (ii)) | 21 |
| Nearside Front Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 21 |
| Offside Rear Upper Position lamp not working (4.2.1 (a) (ii)) | 21 |
| Nearside Front Headlamp insecure (4.1.1 (c)) | 20 |
| Nearside Front Headlamp aim unable to be tested (4.1.2 (b)) | 20 |
| Offside Front Service brake excessively fluctuating (1.2.1 (e)) | 19 |
| Offside Rear Position lamp showing white light to the rear (4.2.3 (a) (ii)) | 19 |
| Nearside Rear Wheel bearing rough when rotated (5.1.3 (b) (i)) | 18 |
| Nearside Side repeater not working (4.4.1 (a) (ii)) | 17 |
| Nearside Headlamp insecure (4.1.1 (c)) | 16 |
| Front Service brake excessively fluctuating (1.2.1 (e)) | 15 |
| Nearside Front Front fog lamp not working (4.5.1 (a) (ii)) | 15 |
| Nearside Rear Position lamp lens seriously defective (4.2.1 (b)) | 15 |
| Nearside Rear Upper Position lamp not working (4.2.1 (a) (ii)) | 15 |
| Horn not working (7.7 (a)) | 14 |
| Offside Headlamp aim unable to be tested (4.1.2 (b)) | 14 |
| Nearside Front Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 14 |
| Nearside Front Daytime running lamp not working (4.2.1 (a) (ii)) | 14 |
| Supplementary restraint system warning lamp indicates a fault (7.1.6 (a)) | 13 |