| Most common failures | No# failures |
|---|
| Windscreen wiper does not clear the windscreen effectively | 337 |
| Headlamp aim out of alignment | 243 |
| Registration plate lamp issues | 113 |
| Engine MIL inoperative or indicates a malfunction (8.2.2.2 (g)) | 59 |
| Nearside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 44 |
| Nearside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 40 |
| Offside Front Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 34 |
| Nearside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 31 |
| Offside Headlamp not working on dipped beam (4.1.1 (a) (ii)) | 29 |
| Nearside Stop lamp(s) not working (4.3.1 (a) (ii)) | 29 |
| Offside Rear Stop lamp(s) not working (4.3.1 (a) (ii)) | 28 |
| Offside Stop lamp(s) not working (4.3.1 (a) (ii)) | 25 |
| Brake pedal anti-slip provision missing (1.1.2 (c)) | 20 |
| Nearside Front Outer Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 20 |
| Windscreen washer not working | 20 |
| Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 17 |
| Parking brake efficiency below requirements (1.4.2 (a) (i)) | 16 |
| Offside Front Outer Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 15 |
| Nearside Front Position lamp not working (4.2.1 (a) (ii)) | 12 |
| Engine MIL inoperative or indicates a malfunction (8.2.1.2 (h)) | 12 |
| Nearside Rear Position lamp not working (4.2.1 (a) (ii)) | 11 |
| Offside Front Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 11 |
| Rear Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 11 |
| Exhaust emissions exceed manufacturers specified limit (8.2.2.2 (a)) | 11 |
| Nearside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 11 |
| Offside Front Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 11 |
| Registration plate issues | 9 |
| Offside Front Daytime running lamp not working (4.2.1 (a) (ii)) | 9 |
| Offside Front Position lamp not working (4.2.1 (a) (ii)) | 9 |
| Nearside Front Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt (6.1.7 (g) (ii)) | 8 |
| Offside Rear Position lamp not working (4.2.1 (a) (ii)) | 8 |
| Offside Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 8 |
| Anti-lock braking system warning lamp indicates an ABS fault | 7 |
| Electronic stability control warning lamp indicates a fault (7.12 (e)) | 7 |
| Offside Front Headlamp not working on main beam (4.1.1 (a) (ii)) | 6 |
| Nearside Rear Upper Position lamp not working (4.2.1 (a) (ii)) | 6 |
| Offside Daytime running lamp not working (4.2.1 (a) (ii)) | 6 |
| Nearside Headlamp aim unable to be tested (4.1.2 (b)) | 6 |
| Nearside Side repeater not working (4.4.1 (a) (ii)) | 6 |
| Supplementary restraint system warning lamp indicates a fault (7.1.6 (a)) | 6 |
| Horn not working (7.7 (a)) | 5 |
| Nearside Front Headlamp not working on main beam (4.1.1 (a) (ii)) | 5 |
| Nearside Front Headlamp insecure (4.1.1 (c)) | 5 |
| Offside Side repeater not working (4.4.1 (a) (ii)) | 5 |
| Nearside Front Daytime running lamp not working (4.2.1 (a) (ii)) | 5 |
| Windscreen damaged and affecting the drivers view of the road (3.2 (a) (ii)) | 5 |
| Nearside Front Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 5 |
| Offside Rear Position lamp showing white light to the rear (4.2.3 (a) (ii)) | 5 |
| Oil leaking excessively from engine (8.4.1 (a) (i)) | 5 |
| Offside Front Headlamp aim unable to be tested (4.1.2 (b)) | 4 |
| Windscreen in an unacceptable condition (3.2 (c) (i)) | 4 |
| Front brake disc in such a condition that it is seriously weakened | 4 |
| Exhaust on a vehicle fitted with a diesel particulate filter emits visible smoke of any colour (8.2.2.2 (d)) | 4 |
| Nearside Headlamp insecure (4.1.1 (c)) | 4 |
| Headlamp aim unable to be tested (4.1.2 (b)) | 4 |
| Exhaust emissions likely to be affected by an exhaust leak (8.2.2.1 (b)) | 4 |
| Stop lamp(s) all not working (4.3.1 (a) (iii)) | 4 |